Engineering Electronic Instruments |
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We are manufacture, supplying & Export a wide range of Engineering Electronic Instruments like Electronic instruments, Characteristic of Vacuum Tubes (Valves) Characteristic of Semiconductor Devices, Lase Experiments,Nuclear Physics(G.M. Counter), Michelson Interferometers,Verification of Network Theorems, Verification of Taining Kit of Physics lab various Laws & Convertion of Signal, Characteristic of Rectifier,Filters Circuit & Regulators, Amplifiers Training Kit, Characteristic & Applications of Operational Amplifiers, Experiments of calculate e/m, Oscillators, Study of Multivibrators & applications of IC 555, Training Kit on Digital Electronic Experiements, Training Kit of Communication Lab, Function Generators, Digital/Analog testing & Measuring Instruments,Microwave Training Kit, Demonstration Training Kit,Microprocessor Trainer,Moving Coil Meters, ballistic Galvanometer,Resistance Box, Post Office Box,Condenser Boxes, UV VIS Spectrophotometer, Microprocessor UV-VIS Spectrophotometer,Digital Spectrophotometer,Digital Flame Photometer, Auto Karl Fischer Titrimeter, Digital PH, Conductivity, & Temperature Meters, Digital Colony Counter, Filter Photo Calorimeter, Digital Ph Meters, Poratable Water & Soil Anaalysis kits, laboratory Conductivity Meters,Total Dissolved Solids Meters, Digital Dissolved Oxygen Meters, Digital Potentiometers, Digital Turbidity Meters, Digital Microprocessor Haemoglobin Meters etc.
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Ultrasonic Interferometer or Liquids | | Item Code:HL-8073 'Physilab' manufactures, exports and supplies ultrasonic interferometer, a simple and direct device which are designed and fabricated for determining the ultrasonic velocity in liquids with a high degree of accuracy in the field of laboratory purpose in engineering colleges. Besides, the company is one of the most reputed ultrasonic interferometer suppliers in India and abroad.
ultrasonic interferometer of liquid consists of:-1. R. F. Oscillator 3-8 mhz2. Specially design long tube spectrometer3. Crystal tank4. Sodium lamp5. Sodium lamp transformer6. Wooden box for sodium lamp
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L.C.R. Bridge | | Item Code:HL-8077 'PHYSILAB' L.C.R. Bridge | Fully Solid state instrument, workable on 220 V 50 Hz or on 9 Volts Battery, useful for the wide range measurement of Resistance, Capacitance and Inductance.
Resistance Range : 0.01 Ohms to 1 Meg Ohms in seven ranges. Capacitance 2 PF to 110 MFD. Inductance 2 micro Henries to 110 Henry in seven ranges Accuracy ±1%, D-0.001 to 10Q=1 to 10. Dimension 14"x9"x5½".
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Reflex Klyston Microwave Test Bench | | Item Code:HL-675 HL-675 Reflex Klyston Microwave Test Bench
Experiments: - To study the characteristic of reflex klyston.
- To study the frquency, guide wavelength & free space wave length.
- To measure SWR & reflection co- efficient.
- To measure impedance of a load.
Test Bench Specifications: | Component Name | Qty. | | Klystron power supply | 1 | | Klystron Tube | 1 | | Frequency Meter | 1 | | Slotted Section | 1 | | Detector Mount | 1 | | Matched Termination | 1 | | Wave Guide Stands | 1 | | BNC Cable | 1 | | Fixed Short | 1 | | Klystron Mount | 1 | | Isolator | 1 | | Variable Attenuator | 1 | | Tunable Probe | 1 | | Movable Short | 1 | | VSWR Meter Solid State | 1 | | SS Tuner | 1 | | Cooling Fan | 1 |
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Electronic Instruments | | We offer our customers a wide range of electronic instruments under the name PN Junction/Zener Diode. These are made available in both standard & customized specifications. Some of the features of these process and testing equipment used include: Other Products
- 8085 Microprocessor Trainer
- AC moving coil meters
- AC/DC Power Supply 0-50V/4Amp
- Application of Operational Amplifier
- Auto Karl Fischer Titrimeter
- Ballistic Galvanometer
- Basic Logic Gate using discrete components (7 in 1)
- Battery Eliminator
- Black & White Television Demonstrator with 14" CRT
- Bridges
- Colour Television Demonstration with 20" CRT
- Conductivity Meters Microprocessor Based
- CRO Demonstrator 20 Mhz
- Digital Colony Counter
- Digital Dissolved Oxygen Meters
- Digital Filter Photo Calorimeter
- Digital Flame Photometer
- Digital HB Meter
- Digital pH meters
- Digital Spectrophotometer
- e/m by Thomson Method (Bar Magnet Method)
- FET Characteristics apparatus
| Model | Equipment | Power Rating | | HL-475 | Sodium Lamp Transformer | 35 Watt | | HL-464 | Power Supply AC/DC | 2-12V/2Amp | Characteristics Apparatus (Forward & Reverse V-l Characteristics):
Objective: To study forward & reverse characteristics of PN Junction Diode and Zener Diode. Features:
Instrument comprises of – - Two DC power supplies
- Two round meters to measure voltage & current
- 1 PN Junction Diode
- 1 Zener Diode mounted behind panel with option of connections brought out at terminal /sockets
HL-490:
These also come with digital panel meters that provides in them optimum functionality. Available Range: Range provided by us include: - HL-585: Operational Amplifier IC - 741 Trainer with Digital Panel Meter
- HL-413: Battery Charger 2-12 VDC/3 Amp
- HL-425: 0-30 VDC/2 Amp
- HL-539
BH Curve Apparatus: Objective: To trace Hysteresis curves on CRO using Capacitance, Resistance & Inductance Features:
- Instrument comprises of AC Power Supply 3-15 VAC
- Output selectable using band switch
- Printed circuit diagram for BH curve
- Components connected behind the front panel
- Provision for connecting external inductance
- Input & output connections brought out at sockets
HL-534 Resistance in Series & Parallel Apparatus: Objective: To verify properties of resistances when connected in series & parallel.
"See attachment for more details"
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Voltage Doubler And Tripler Circuit | | Item Code:HL-8008 Objective:- To study voltage multiplication using diodes. Resistance & capacitors.
Features:- Instruments comprises of ac power supply with output selectable using band switch,circuit diagram of doubler and tripler printed & components mounted on the front panel.
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G.M.Counter  | | HL-520 G.M. counters offered by us are used in G.M. tubes and come with digital read out meter facility. These digit counting systems are also provided with control for reset, start & stop through panel. Some of the features of these counters include: - One pro-set-able timer with three digit display & thumb wheel switch
- G.M. Tube mounted in acrylic stand
- One radioactive source in lead container
- Digital multi-meter to read the G.M. Tube voltage
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Study Of Microwave Test Bench Universal Model | | Item Code:HL-678 HL-678 study of microwave test bench universal model Experiments: - To study the characteristics of reflex klystron & Gunn Diode.
- To study frequency, guide wavelength & free space wave length.
- Top measure SWR & reflection coefficient. & impedance of a load.
- To measure polar pattern & gain of antennas.
- To measure the dielectric constant of Liquid & Solid cells
- To measure phase shift & "Q" of a cavity
- To study Magic Tee. E & H Plane Tee, Directional Coupler. Isolators Circulators & Return Loss Measurement.
| Component Name | Qty. | | Klystron power supply | 1 | | Gunn Power Supply | 1 | | Pin Modulator | 1 | | Frequency Meter | 1 | | Slotted Section | 1 | | Detector Mount | 1 | | Matched Termination | 1 | | Stand | 4 | | BNC Cable | 3 | | Fixed Short | 1 | | Pyramidal Horn | 2 | | Parabolic Disc | 1 | | Bends E & H Plane | 1 | | Liquid Dielectric Cell | 1 | | Fixed Attenuator | 2 | | Circulator | 1 | | Klystron Mount & Tube | 1 | | Gunn Oscillator | 1 | | Isolator | 1 | | Variable Attenuator | 1 | | Tunable Probe | 1 | | Movable Short | 1 | | VSWR Meter Solid State | 1 | | S S Tunner | 1 | | Cooling Fan | 1 | | Radiation Pattern Turn table | 1 | | Coaxial to Wave Guide Adopter | 1 |
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Study Of Microwave Component | | Item Code:HL-677 HL-677 Study of Microwave Component (Magic Tee, Directional Coupler, Isolator, Circulator)
Experiments:
1. To study Magic Tee, Directional Coupler, Isolators & Circulators.
2. To measure charcteristics of detector diode.
3. To study attenuation measurements.
4. To study the return loss measurements.
| Component Name | Qty. | | Klystron power supply | 1 | | Klystron Tube | 1 | | Frequency Meter | 1 | | Fixed Attenuator 3,6,10db | 3 | | Detector Mount | 1 | | Slotted Section | 1 | | VSWR Meter Solid State | 1 | | S S Tunner | 1 | | Cooling Fan | 1 | | MHD Coupler 3,10,20db | 3 | | E-Plane Tee | 1 | | Klystron Mount | 1 | | Isolator | 1 | | Variable Attenuator | 1 | | Magic Tee | 1 | | Movable Short | 1 | | Tunable Probe | 1 | | Stands | 4 | | BNC Cable | 1 | | Matched termination | 1 | | Cirulator | 1 | | H-Plane Tee | 1 |
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To Measure The Polar Pattern Of The Antenna | | To measure the polar pattern of the antenna
Experiments:
1. To measure the polar pattern & gain of the antennas (Pyramidal horn. Pick up horn, slotted horn, Dielectric horn, sectorial horn & parabolic disc).
| Components Name | Qty. | | | | Klystron Power Supply | 1 | Klystron Mount | 1 | | Klystron Tube | 1 | Isolator | 1 | | Frequency Meter | 1 | Variable Attenuator | 1 | | Radiation Pattern turn table | 1 | Standard gain horn | 2 | | Detector mount | 1 | Cooling fan | 1 | | VSWR meter solid state | 1 | Sectoral horn-E-plane | 1 | | Sectoral horn-H-plane | 1 | Parabolic disc | 1 | | Coaxial to W/G adopter | 1 | Twist | 1 | | Moveable Short Precision | 1 | Stand | 4 | | Bends | 2 | Tripod Stand | 1 | | BNC Cable | 1 | | |
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To Measure Dielectric Constant Of Solid And Liquid | | Experiment to Measure Dielectric Constant of Solid
& Liquid and to Measure Phase Shift & 'O' of a Cavity
Experiments:
1. To measure dielectric constant of liquid.
2. To measure dielectric constant of solids.
3. To measure phase shift.
4. To measure 'Q' of a cavity.
| Components Name | Qty. | | | | Klystron Power Supply | 1 | Klystron Mount | 1 | | Klystron Tube | 1 | Isolator | 1 | | Frequency Meter | 1 | Variable Attenuator | 1 | | Slotted Section | 1 | Tunable probe | 1 | | Detector Mount | 1 | Solid dielectric cell | 1 | | Liquid Dielectric cell | 1 | VSWR meter solid state | 1 | | Stand | 4 | Wave guide cavity | 1 | | BNC Cable | 1 | Cooling Fan | 1 | | Movable Short precision | 1 | Phase Shifetr | 1 | | Set of Dielectric | 1 | | |
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To Study Of Gunn Diode Microwave Test Bench | | HL-676 To Study of Gunn Diode Microwave Test Bench
Experiments:
1. To study the characteristics of Gunn Diode.
2. To study the frequency, guide wavelength & free space wavelength.
3. To measure SWR & reflection coefficient.
To measure impedance of a load.
| Components Name | Qty. | | | | Gunn Power Supply | 1 | Gunn Mount | 1 | | Pin Modulator | 1 | Isolator | 1 | | Frequency Meter | 1 | Variable Attenuator | 1 | | Slotted Section | 1 | Tunable Probe | 1 | | Detector Mount | 1 | Movable Short | 1 | | Matched Termination | 1 | VSWR meter solid state | 1 | | Wave Guide Stands | 4 | SS Tuner | 1 | | BNC Cable | 3 | Cooling Fan | 1 | | Fixed Short | 1 | | |
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Helium Neon Laser Light | | Item Code:HL-8075 Helium neon laser light
A 2 milliwatt laser, mountable on optical bench, with in built power supply workable on 220v ac, 50hz. Design for continues working. Highly rugged mechnical setup. Up-down motion for beam.
Laser accessories:-
1. Low line diffrection grating for laser wave length
2. Young's double slit
3. Hand micrometer
4. Grating stand
5. Laser filter
6. Set of 13 (demo kit)
single taper slit, holes a,b,c,d, grey filter, multiple slit, circular opaque, spot, mesh, multiple slit 5 grid pattern.
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Logic Gates Experiment (Six in One) | | Item Code:HL-8001 To verify the trth table for AND, NAND, OR, NOR, NOT, Ex-Or. Instrument comprises of 5V Power supply for logic '1' & Logic '0'. TTL IC is used for Gate & circuit diagram printed on the front panel & connection brought out at sockets.
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Study Of Resistance In Series | | Item Code:HL-8002 To verify properties of Resistence when connected in series & parallel. Instrument comprises of Tww moving coil meters to measure voltage & current, circuit diagram for series & parallel connections, Resistence mounted along with circuit diagram.
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Study Of Resistence In Parallel | | Item Code:HL-8003 To verify properties of Resistence when connected in series & parallel. Instrument comprises of two moving coil meters to measure voltage & current, circuit diagram for series & parallel connections, Resistence mounted along with circuit diagram.
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Wein Bridge Oscillator | | Item Code:HL-8004 Wein Bridge Oscillator using Operational Amplifier Transistor.
Objective: To study the Frequency and Wave shape generated by wein Bridge Osillator.
Feature: Instrument comprises of 12V DC Regulated Power Supply, Circuit diagram Printed & components mounted on front panel.
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Study Of Half And Full Wave And Bridge Rectifier Apparatus | | Item Code:HL-8005 Study of Half Wave/Full wave & Bridge Rectifier Apparatus with 3 Meters.
Objective: To study efficiency & Ripple factor in case of Half Wave, Full wave & Bridge rectifier on application of load & filters.
Features: Instrument comprises of AC Power Supply, 3 meters to measure Output Voltage & Output current, 4 PN Junction Diodes, Filter Circuit Kit, load Resistances selectable using band switch.
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Photo Diode Characteristics Apparatus | | Item Code:HL-8006 To plot a current versus intensityof light at different value of volatges. Instrument consist of dc regulated power supply, two round meters for voltage & current measurement, photo diode mounted separately on the panel, connections of supplies & photo diode brought out at terminals/sockets with light source.
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Photo Cell Charcteristic Apparatus | | Item Code:HL-8007 Objective: to plot forward & reverse charcteristics of a selenium photo cell verify inverse square law of light.
Features: selenium photo cell mounted in meal box having window for injecting light, light source with 60w lamp, photocell kit with dc micro ammeter of 1000ma & dc millivoltmeter of 500mv.
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Decade Resistence Box | | Item Code:HL-8009 Code
No. | | Sub Division | TOTAL | 140
141
142
143
144 | Single Dial
"
"
"
" | 0.1
1
10
100
1000 | 1
10
100
1000
10000 | 145
146
147
148 | Two Dials
"
"
" | 0.1 &1
1 & 10
10 & 100
100 & 1000 | 11
110
1100
11 K | 149
150
151 | Three Dials
"
" | 0.1, 1 & 10
1, 10 & 100
10, 100 & 1000 | 111
1110
11.1 K | 152
153 | Four Dials
" | 0.1, 1, 10 & 100
1, 10, 100 & 1 K | 1111
11.11 K | | 154 | Five Dials | 0.1, 1, 10, 100 & 1000 | 11.111 K | | 155 | Six Dials | 0.1, 1, 10, 100, 1 K & 10 K | 111.111 K | Switches Used : Brass with silver Plating
Resistance used : Wire wound, wound non-inductively on Bakelite
spools, heat treated & processed for ageing, varnish coated.
All resistances are of 1 watt.
Wire Used : Constantan Accuracy 0.1%, Manganin 0.05%.
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Two Stage RC Coupled Transistor Amplifier | | Item Code:HL-8010 Objective: study frequency response of single stage & two stage rc coupled common emitter transistor amplifier.
Features: instrument comprises of dc regulated power supply, circuit diagram is printed, components mounted on the front panel.
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Hartley Oscillators | | Item Code:HL-8011 Objective: to study the frequency and wave shape generated by a hartley oscillator.
Features: instrument comprises of 12v dc regulated power supply, circuit diagram prinetd & components mounted on front panel.
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Triode Valve Characteristics Apparatus | | Item Code:HL-8012 Objective: vi characteristics of triode valve at various grid voltages.
Features: instrument comprises of dc regulated power supply 0-300vdc/30ma & 0-25vdc/10ma, ac power supply 6. 3 vac/1amp. There round meters for voltages & current measurement, valve diagram is printed on front panel, connections of supplies & valve brought out at 4mm socket.
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Study Of Adder And Subtractor | | Item Code:HL-8013 Objective: To verify the Truth Table of Digital Half Adder, Half Subtractor, Full Adder & Full Subtractor.
Features: Instrument comprises of DC Regulated Power Supply 5VDC/150mA for logic inputs, 3 SPDT switches provided for selecting logic '1' & logic '0', 2 Red LED output indicator, circuit diagram printed their respective IC's placed inside the cabinet & connections brought out at sockets.
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Energy Band Gap For Semi Conductor Diode | | Item Code:HL-8014 Objective: To plot reverse saturation current Vs Temperature in reverse bioased PN Junction Diode.
Features: Instrument comprises of DC regulated Power Supply 0-20VDC/150mA two round meters for voltage & current measurement, one PN junction Diode (Ge Type) is kept in Oven, connections of supplies, Meters & Diode brought out at 4mm sockets. Also provided with Oven wih temperature control knob.
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Thermistor Characteristics Apparatus | | Item Code:HL-8015 Objective: To plot negative Resistance co-efficient Characteristics of a Glass Thermistor.
Features: Instrument comprises of DC Regulated Power Supply 00-10VDC/150mA two round meters for voltage & current measurement, one Glass Thermistor is kept in Oven, connections of supplies, Meters & Thermistor brought out at 4mm sockets. Also provided with Oven with temperature control knob.
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Battery Charger | | Item Code:HL-8016 - A battery charger 2-12 vdc/1 AMP
- B battery charger 2-12vdc/2 AMP
- C battery charger 2-12vdc/3 AMP
- D battery charger 2-12vdc/5 AMP
- E battery charger
- 6vdc/12vdc/ 3 AMP with fine current control.
- F battery charger 6vdc-12vdc/5 AMP with fine current control.
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Study Of Instruments Operational Amplifier | | Item Code:HL-8017 Study of instruments operational amplifier IC-741 with digital panel meters
objective:- calculate the voltage gain of instruments amplifier and draw a curve between v & ar.
Features:-
Instruments comprises of one ± 12 VDC regulated power supply,2dc regulated short circuit and overload protected continuously variable power supplies,3 no- IC 741 placed inside & connections brought out at sockets. One potentiometer and combination of resistance placed on the front panel.
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LDR Characteristic Apparatus | | Item Code:HL-8018 Objective:- to plot a graph,current vs intensity of light at different value of voltage.
Features:- instrument comprises of DC regulated power supply 0-3 vdc/150ma,two round meters for voltage & current measurement. LDR mounted on the panel, connections of supplies & LDR brought out at 4mm sockets. Lamp holder with 60w bulb are given with this apparatus.
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Ohm's Law Apparatus | | Item Code:HL-8019 objective:- to verify ohm's law i. E v=1r
features:- instruments comprises of two moving coil meters to measure voltage & current, one wire wound potentiometer. Circuit diagram printed & connections brought out at terminals for connection 6 volts battery & one wire wound resistance.
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BH Curve Apparatus | | Objective:- to trace hystersis curves on cro using resistance,capacitance & inductance.
features:- instruments comprises of ac power supply 3-15 vac, output selectable using band switch,circuit diagram of DH curve printed, components behind the front panel, provision for connecting external inductance,input & output connections brought out at sockets.
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Hall Effect Experiment | | Item Code:HL-8021 introduction: the resistivity measurements of semiconductors can not reveal whether one or two types of carriers
are present; nor distinguish between them. However, this information can be obtained from hall
coefficient measurements, which are also basic tools for the determination of carrier density and
mobilities in conjunctions with resistivity measurement. hall effect experiment consists of the following: 1) . Hall probe (ge. Crystal mounted on a pcb). 2) . Electromagnate 10,000 gauss. 3) . Power supply for electromagnete. 4) . Constant current power supply with two digital meters. digital millivotmeter 0-200mv sensitivity ± o. Lmv. Auto polarity.
digital milli ampere-meter 0-20ma , sensitivity ± 0. 01ma. 5) . Digital gauss meter with hall probe, 20kg .
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Plank's Constant Apparatus | | Item Code:HL-8022 Objective:- to plot forward & reverse chat of a vacuum photo cell & to calculate its stopping potential.
features:- dual range power supply 0-1vdc/0-50 VDC with one dual range voltmeter & one sensitive center zero galvanometer of 25µa movement. Photo cell mounted in wooden box having window for injecting light & also for sliding the various filters. One wooden plank with 1/2 meter scale, light source with 100w lamp 7 set of filters.
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Ohm's Law Apparatus With Digital Panel Meters | | Item Code:HL-8023 objective:- to verify ohm's law i. E v=1r
features:- instruments comprises of two digital panel meters to measure voltage & current,one wire wound potentiometer. Circuir diagram printed & connections brought out at terminals for connecting 6 volts battery & one wire wound resistance.
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E/m By Short Solenoid Method (Magnatron Method) | | Item Code:HL-8025 Objective:- To study charge of an electron using short solenoid method.
Features:- Kit Comprises of Low Volatge DC Power Supply unit with Filament Volatge & Solenoid Current controls. Two meters are provided for Anode Volage controls. One Solenoid Unit Comprises of one Solenoid mounted on wooden stand & Valve 41 is Kept in the Solenoid pipe.
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Basic Logic Gate 3 Using TTL IC's (7 & In ONE) | | Item Code:HL-8027 Objective:- To verify the truth table for TTL AND,OR,NOT,NAND,NOR,EX-OR & EX-NOR gates.
Features:-Instruments comprises of 5V/150ma DC regulated power supply for logic '1` & logic'0'.
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Fet Characteristic Apparatus With Regulated Power Supplies. | | Item Code:HL-8028 Objective:- to plot static & transfer characteristic.
Features:- instruments comprises of two dc regulated power supplies 0-15 vdc/150ma & 0-5 vdc/150ma three round meters for voltage & current measurement,fet bfw 10 mounted behind the panel,connections of supplies,meters & fet brought out at 4mm sockets.
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PN Junction/ Zener Diode Characteristic Apparatus | | Item Code:HL-8029 Objective:- to study forward & reverse characteristic of PN junction diode & zener diode.
features:- instruments comprises of two dc power supplies,two round meters to measure for voltage & current, 1 PN junction diode & 1 zener diode mounted behind the panel & connections brought out t terminals/sockets.
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E/M By Thomson Method (Bar Magnet Method) | | Item Code:HL-8030 Objective:- To study charge of an elctron using thomson method.
Features:- High voltage power supply with one meter provided to measure the deflection voltage. Complete with intensity, focus & deflection controls.
it is provided with accessories such as compass box,set of elico magnets,teak wood stand with crt mounted,teak wood u stand with scale on both theorems for placing magnets.
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Transistor Characteristic Apparatus | | Item Code:HL-8031 objective:- input & output characteristic of comman base pnp & npn transistor. Input & output characteristic of comman emitter pnp & npn transistor.
features :-
instruments comprises of two dc regualted power supplies 0-10 volt/500 micro amp/50 ma, 0-1vdc/30ma, four round meter for voltage & current measurement,one pnp & one npn transistor mounted behind the panel, connection of supplies & transistores brought out on terminals or 4mm sockets.
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Function Generator | | Item Code:HL-8032 Generates frequency from 1hz to 250khz in 6 steps wave from is sine, square and triangular. Output is variable from 0 to 10 volts. Accuracy ±3% or 2hz. Output impedance 50ohms. Solid state. Workable on 220v 50hz complete i. C. Version with coarse and fine controls for output and frequency selection.
dimension 11"x5½"x5".
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Sodium Vapour Lamp Transformer | | Item Code:HL-8033 Sodium vapour lamp transformer are housed in iron cabinet and nicely painted.
a) 35 watt
b) 55 watt
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Schering Bridge | | Item Code:HL-8034 For measurement low capacitances. The bridge comprises 3 decade dials of standard capacitors of .001, .01 & 1 mfd. Two Resistive Ratio dials. A variable condenser 0-1000 pF and three resistive decade dials of 1, 10 & 100 ohms Manganin Coils Accuracy 0 .1 %
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Pn Junction/zener Diode Charactristic Apparatus | | Item Code:HL-8035 pn junction/zener diode charactristic apparatus with digital panel meter
objective:- to study forward & reverse characteristic of pn junction diode & zener diode.
features:- instruments comprises of two dc power supplies,two digital panel meters to measure for volatge & current, 1 pn junction diode & 1 zener diode mounted behind the panel & connections brought out t terminals/sockets.
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IC Regulated Power Supply | | Item Code:HL-8036 - 0-15vdc/1amp. With one moving coil 72mm acrylic square voltmeter
- 0-15vdc/2amp. With one moving coil 72mm acrylic square voltmeter.
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Ic Regulated Power Supply 0-30 V - 2 Amp. | | Item Code:HL-8037 Single Channel Continuously Variable DC Regulated Power Supplies with two meters.
a) 0-15VDC/1Amp.
b) 0-30VDC/1Amp.
c) 0-30VDC/3Amp.
d) 0-30VDC/10Amp.
e) 0-60VDC/2Amp.
f) 0-300VDC/100mA.
g) 0-300VDC/1Amp.
h) 0-15VDC/2Amp.
i) 0-30VDC/2Amp.
j) 0-30VDC/5Amp.
k) 0-60VDC/1Amp.
l) 0-60VDC/5Amp.
m) 0-300VDC/500mA.
n) 0-500VDC/100mA.
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Digital To Analog Converter Using R-2r Network | | Item Code:HL-8038 Objective:- to study digital to analog converter using r-2r network.
Features:- instrument comprises of dc regulated power supply 5vdc/150ma, ±15vdc/150ma, 1 voltmeter, 4 SPDT switches, provided for selecting logic '1' & logic '0', one output indicators, circuit diagram printed on the front panel.
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Ic Regulated Power Supply 0-15 V - 2 Amp. | | Item Code:HL-8039 Single Channel Continuously Variable DC Regulated Power Supplies with two meters.
a) 0-15VDC/1Amp.
b) 0-30VDC/1Amp.
c) 0-30VDC/3Amp.
d) 0-30VDC/10Amp.
e) 0-60VDC/2Amp.
f) 0-300VDC/100mA.
g) 0-300VDC/1Amp.
h) 0-15VDC/2Amp.
i) 0-30VDC/2Amp.
j) 0-30VDC/5Amp.
k) 0-60VDC/1Amp.
l) 0-60VDC/5Amp.
m) 0-300VDC/500mA.
n) 0-500VDC/100mA
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SCR Characteristic Apparatus With Regulated Power Supply | | Item Code:HL-8040 Objective:- to plot anode current vs anode cathode voltage characteristics. Gates characteristics (open gate), gate charcteristics (gate connected).
Features:- instrument comprises of two dc regulated power supplies 0-30vdc/150ma & 0-1vdc/150ma, three round meters for voltage & current measurement, scr 2p4m mounted behind the panel, connections of supplies, meters & scr brought out at 4mm sockets.
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Study Of Instrumentation Amplifier | | Item Code:HL-8041 Objective:- calculate the voltage gain of instrumentation amplifier and draw a curve between v & ar.
Features:- instrument comprises of one ± 12vdc regulated power supply, 2dc regulated short circuit and overload protected continuously variable power supplies, 3 no. Ic 741 placed inside & connections brought out at sockets. One potentiometer and combination of resistances placed on the front panel.
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Desauty Bridge | | Item Code:HL-8043 | It is a simple form of bridge giving maximum accuracy while comparing capacitance in term of resistance. Three decade dials x10, x100 and 1000 ohms from one arm. The other arm has also decade dials x10, x100 and 1000 ohms. A special morse key is fitted in the centre of the two arms connecting the battery and the galvanometer. The connection are engraved on the panel which is fitted to a teak wood polished case. All the coils are calibrated on imported testing bridge. Accuracy ± 0. 5 to 1%. | De- sauty bridge's | It is a simple form of bridge giving maximum accuracy while comparing capacitance in term of resistance. Three decade dials x10, x100 and 1000 ohms from one arm. The other arm has also decade dials x10, x100 and 1000 ohms. A special morse key is fitted in the centre of the two arms connecting the battery and the galvanometer. The connection is engraved on the panel which is fitted to a teak wood polished case. All the coils are calibrated on imported testing bridge. Accuracy ± 0. 5 to 1%. | |
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Resistances In Series And Parallel Apparatus | | Item Code:HL-8044 Objective:- to verify properties of resistance when connected in series & parallel.
Features:-
Instruments comprises of two moving coil meters to measure voltage & current,circuit diagram for series & parallel connections printed & resistances mounted on the front panel.
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Battery Eliminator | | Item Code:HL-8045 Standard model output voltage/current
a) Battery eliminator 2-6v dc/1 amp
b) Battery eliminator 2-6v dc/2 amp
c) Battery eliminator 2-6v dc/3 amp
d) Battery eliminator 2-12v dc/1 amp
e) Battery eliminator 2-12v dc/2 amp
f) Battery eliminator 2-12v dc/3 amp
g) Battery eliminator 2-12v dc/5 amp
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Battery Eliminator | | Item Code:HL-8046 Standard Model Output Voltage/Current
A) Battery Eliminator 2-6V DC/1 Amp
B) Battery Eliminator 2-6V DC/2 Amp
C) Battery Eliminator 2-6V DC/3 Amp
D) Battery Eliminator 2-12V DC/1 Amp
E) Battery Eliminator 2-12V DC/2 Amp
F) Battery Eliminator 2-12V DC/3 Amp
G) Battery Eliminator 2-12V DC/5 Amp
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Battery Eliminator | | Item Code:HL-8047 Standard model output voltage/current
a) Battery eliminator 2-6v dc/1 amp
b) Battery eliminator 2-6v dc/2 amp
c) Battery eliminator 2-6v dc/3 amp
d) Battery eliminator 2-12v dc/1 amp
e) Battery eliminator 2-12v dc/2 amp
f) Battery eliminator 2-12v dc/3 amp
g) Battery eliminator 2-12v dc/5 amp
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Battery Eliminator | | Item Code:HL-8048 Standard model Output volatge/current a) Battery eliminator 2-6v dc/1 amp
b) Battery eliminator 2-6v dc/2 amp
c) Battery eliminator 2-6v dc/3 amp
d) Battery eliminator 2-12v dc/1 amp
e) Battery eliminator 2-12v dc/2 amp
f) Battery eliminator 2-12v dc/3 amp
g) Battery eliminator 2-12v dc/5 amp.
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Potentiometers | | Item Code:HL-8053 HLSI- 19164
Range | 0 to+ 1999.9mV | | Resolution | 1 mV | | Repeatability | + 1 mV | | Accuracy | + 1 mV +digit | | Input Impedancy | 10 ohms | | Operating Temperature | 10 to 50oC | | Display | 3 1/2 Digit 0.5 seven segment LED display Indication | | Power | 230V + 10?, 50Hz | | Dimensions | 76 x 275 x 170 mm. | | Weight | 2 Kg (approx.) | | Standard Accessories | | Electrode | 2 Nos. | | Dust Cover | 1 No. | | Electrode Stand | 1 No. | | Manual | 1 No |
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Water And Soil Analysis Kit | | Item Code:HL-8063 | 3 1/2 digit LCD display | | mains cum battery operated | | measures ph, mv, conductivity | | tds, do, temperature & turbidity | | housed in vip briefcase |
| model | | hlsi-19195 | hlsi-19196 | hlsi-19197 | | ph | range | 0 to 14ph | 0 to 14ph | 0 to 14ph | | temp. Comp. | 0oc (manual) | 0oc (manual) | 0oc (manual) | | resolution | 0. 01ph | 0. 01ph | 0. 01ph | | accuracy | +0. 01 ph | +0. 01 ph | +0. 01 ph | | o. R. P. /mv | range | n. A. | 0 to + 1999 mv | 0 to + 1999 mv | | resolution | 0. 01ph | n. A. | 1 mv | | accuracy | n. A. | + 1 mv + 1 digit | + 1 mv + 1 digit | | conductivity | range | 1 | 5 | 5 | | cell constant | 0. 4 - 1. 5 adj | 0. 4 - 1. 5 adj | 0. 4 - 1. 5 adj | | resolution | 0. 1 micro mhos | 0. 1 micro mhos | 0. 1 micro mhos | | accuracy | + 0. 5% fs | + 0. 5% fs | + 0. 5% fs | | temperature | range | 0o - 100oc | 0o - 100oc | 0o - 100oc | | resolution | 0. 1oc | 0. 1oc | 0. 1oc | | accuracy | +0. 1oc + digit | +0. 1oc + digit | +0. 1oc + digit | | t. D. S. | range | 1 | 5 | 5 | | cell constant | 0. 4 - 1. 5 adj | 0. 4 - 1. 5 adj | 0. 4 - 1. 5 adj | | resolution | 0. 1ppm | 0. 1ppm | 0. 1ppm | | accuracy | +5% fsd | +5% fsd | +5% fsd | | d. O. | range | 0-20 ppm | 0-20 ppm | n. A. | | temp. Comp. | 0. 1 ppm | 0. 1 ppm | n. A. | | resolution | +0. 3 ppm | +0. 3 ppm | n. A. | | accuracy | 5o to 50o (manual) | 5o to 50o (manual) | n. A. | | turbidity | range | 0-1000 ntu/jtu | n. A. | n. A. | | resolution | 1 ntu/jtu | n. A. | n. A. | | display | selenium photocell | 3 1/2 digit lcd display | | power suppy | 6. 8v, 300ma | 1. 5v x 6 dry cells or 230v + 10% 50 hz | | accessories | 230v + 10% and in-built battery | ph combination electrode, conductivity / tds cell, do probe,
temp probe, standard solution, d. O. Memberanes,
cell container & instruction manual |
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Microprocessor Trainer | | Item Code:8085 8085 Microprocessor trainer
Product description 1. 8085 cpu operating at 6. 144 mhz
2. rs-232c interface & usb interface (optional)
3. 25/28 keyboard & 7-segment display
4. eprom
Specifications for hlsi-8501p a. ) based on 8085 cpu operating at 6. 144 mhz crystal frequency. b. ) 8k bytes of eprom loaded with powerful monitor program. c. ) 8k bytes of ram available to the user d. ) total on board memory expansion upto 64k bytes using 2732/2764/27128/6264/ 62256 with 1 socket of 28 pin. e. ) memory mapping definable by the user. f. ) 16 bit programmable timer/counter using 8253. g. ) 24 programmable i/o lines provided through 8255. h. ) rs-232c interface through sid/sod lines with auto baud rate. i. ) two modes of commands:
i) hex key pad mode
ii) serial mode j. ) all address, data & control lines are buffered and made available at the edge connector as per std bus configuration. k. ) 25/28 key hexadecimal keyboard and six seven segment displays through 8279. l. ) powerful software commands like relocate, string, fill, insert, delete, block move, examine/compare memory, examine register,insert data, delete data, single step, go, break point in both serial & keyboard mode. m. ) facility for downloading/uploading files from/to pc. o. ) in-built power supply
p. ) user's manual.
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Study Of 4 Bit Ripple Counter (Forward & Reverse) | | Item Code:HL-8069 Study of 4 Bit Ripple Counter(Forward & Reverse)
Objective:-
To verify truth tables of 4 Bit Forward & Reverse counters using 4 'JK' Flip Flops.
Features:-
Instrument comprises of DC Regulated Power Supply 5VDC/150mA, 1Hz monoshot clock pulse, two output indicators, Circuit diagram for 4 'JK' Flip-Flops are printed & connections for input and outputs brought out at the sockets on the front panel.
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Study of Left, Right & Programmable Shift Register | | Item Code:HL-8070 Study of left, right & programmable shift register
Objective:-
To study & verify truth table of left,right & programmable shift register using IC7495.
Features:-
Instrument comprises of DC regulated power supply 5VDC/150mA,4 SPDT switches provided for selecting logic '1' & logic '0', 1Hz monoshot clock pulse, four output indicators, Circuit diagram for IC7495 printed and two switches for serial input & Mode control.
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Auto Transformer | | Item Code:HL-8071 Product description:
Continuously variable voltage auto transformer, protected type. Comprises a tordially wound transformer with a continuously variable output voltage 0-260 volts A.C. steplessly under full load. Input 220-240 Volts A.C. 50 Hz. In stout metal case mounted on a metal base with two output terminals. Single phase with mains cable.
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Function Generator | | Item Code:HL-8072 Description:
Function generator offers excellent waves shape, signal linearity, waveform symmetry and frequency range from 1Hz-100 KHz.
Selection of sine, square and triangle wave and amplitude variable from 0 to 10 V
The instrument is designed using easy obtainable parts which present trouble free service.
Specifications:
Frequency rang 1Hz-100 KHz in 5 steps
Functions sine, square and triangle
Frequency Indication dial
Accuracy better than +- 5%
Amplitude up to 10V P-P open circuit
Output impedance 600 ohms
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Callender & Griffith's Bridge Dial Type | | Item Code:HL-8074 'Physilab' callender & griffith's bridge dial type :- this instrument is an improvement over the student's potentiometer. The 50 cms long side wire of 1 ohm resistance is calibrated into 100 parts to facilitrate calculations. 14 coils are arranged in series in dial from each being of 1 ohm resistance. Accuracy of adjustment 0. 1% a 2 volts accumulator through a rheostat and key should be connected to terminal p1 to p2 and the p. D. To be balanced on it. The value of potential gradient can be found by standardising it through a galvanometer connected to g. C. The value of potential gradient can be found standardising it against a standard cell, and thus it can be made direct reading. Imported testing bridge
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Dielectric Constant Apparatus | | Item Code:HL-8080 To calculate dielectric constant of solids.
The instrument consists of high Frequency R.F. Oscillator of 8MHz. of
tuneable Frequency with a Gang Condenser Optimum Resonance
point is indicated on meter.
The change in meter reading after placing dielectric material between
parallel plates can be detected and difference can be noted for
calculation.
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Vacuum Tube Volt Meters- V.T.V.M | | Item Code:HL-8076 'Physi Lab' V.T.V.M. Workable on 220 V 50 Hz compiled in steel cabinet, rectangular meter 110x90mm. Suitable for measurement of A.C. / D.C., Resistance 0-1000M. Ohms in seven ranges R.F. 0.50 Volts R.M.S. in 4 ranges. D.C. Range : 1.5, 5, 15, 150, 500, 1500 FS-D. A.C. Range : 1.5, 5, 15, 50, 150, 500, 1500 F.S.D. Resistance : 1K, 10K, 100K, 1M, 10M, 100M, 1000M.
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Digital Oscilloscope | | Item Code:HL-8078 Fully Solid state workable on 220 volts 50 Hz. All supplies are stabilized for accurate and stable operation. Single beam with a band width DC to 10 MHz. The accurate triggering of time base enable clear and stable display on screen 8x8 cm. Verticaldeflection can be selected for either A.C. or D.C. provision or attenuation in the input circuit, calibrated from 5 mV to 50V/cm. | Specifications : | | Band width | Vertical D.C. to 10 MHz (3db) | | Sensitivity | 10mV/Cm Maximum | | Input Impedance | 1 M Ohm. | | Square wave calibration | 2 VP-P. | | Triggering | Internal fromverticalamplifier or external. | | Sweep Time Factor | 0.1 us/Div. 0.1s/div. ±5%. | | Horizontal Amplifier : | | Band width | DC to 1 MHz. | | Display | 8x8 cm square | | Power requirement | 25 Watt 230 V 50 Hz. | | Dimension | 8"x5½"x11"
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Transformers | | Item Code:HL-8079 This transformers transfer the voltage from the primary winding to the secondary winding with the help of magnetic field. Supplied with 220 volts, 12 volts and 6 volts.
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Digital Multimeter | | Item Code:HL-8081 The Salicon hand held ST81 3 1/2 digit is compact general purpose Digital Multimeter.Choice for reliable partner in measurements, be at test bench or, at shop floor. ST81 is supplied with Probe as accessory.
Special Function:
Diode test Yes
Continuity buzzer Yes
Auto power off Yes
Square wave output Yes
Input impedance 10M
Sampling rate 3 times/s
AC frequency response {40-200}Hz
Operation way Manual range
Max. Display 3 1/2 (1999)
LCD size 67.4x40.4 mm
Battery 9V (6F22)
Parameters Range Accuracy
DC Voltage 200mV/2V/20V/20OV/1000V
±(0.5%+3)
AC Voltages bv/20 V/200V/750V ±(0.8%+5)
DC Current 2mA/20mA/200mA/10A ±(0.8%+10)
AC Current 2mA/20mA/200mA/20A ±(1.0%+15)
Resistence 200U'2kU 20kU'200kU 2MU20MU
200M ±(0.8%+4)
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Metallic Screen Multimeter | | Item Code:HL-8083 * New type holster, streamline design.
* Large LCD makes the reading clearly.
* Metallic screen board with Stronger antimagnetic
and anti-interferential function.
* Full function protection, anti-high voltage circuit
design.
* New type battery case design, it's easy to change battery.The Salicon hand held ST80 3 1/2 digit is compact general purpose Digital Multimeter. Its rugged engineering design with protective holster makes it. Choice for reliable partner in measurements, be at test bench or, at shop floor. ST80 is supplied with Probe as accessory.
Parameters Range Accuracy
DC Voltage 200mV/2V/20V/200V/600V
±(0.5%-1-4)
AC Voltages 200V/600V ±(1.2%+10)
DC Current 2mA/200mA/10A ±(1.5%+3)
Resistance 20011/2 kiX'20kil 200ktl/20MQ/200MQ
±(0.8%+5)
Battery Testing 1.5V/9V ±(2.5%+2)
General Characters:
Product Net Weight : Approx: 180g
Product Dimension: 145x80x28mm
Standard Accessories: Test leads, battery, instruction manual
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Digital Multi Meter | | Item Code:HL-8082 * New type holster, streamline design.
* Large LCD makes the reading clearly.
* Metallic screen board with Stronger antimagnetic and anti-interferential function.
* No power off under natural operation.
* Full function protection, anti-high voltage circuit design.
* Restorable fuse protection circuit diagram
The Salicon hand held ST82 3 112 digit is compact general purpose Digital Multimeter. Its rugged engineering design with protective holster makes it.
Choice for reliable partner in measurements, be at test bench or, at shop floor. ST82 is supplied with Probe as accessory.
Special Function
Diode test (√)
Continuity buzzer (√)
Low battery indication (√)
Data hold (√)
Auto power off (√)
Function protection (√)
Restorable Fuse protection (√)
Shock proof protection (√)
Input impedance (√)
Sampling rate (√)
AC frequency response (√)
Operation way (√)
Max. Display (√)
LCD size (√)
Battery (√)
Parameter Range Accuracy
DC Voltage 200mV/2V/20V/200V/1000V
±(0.5 % + 4)
AC Voltages 200mV/2V/20V/200V/750V
±1 1,0%+5)
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Linear IC Trainer | | Item Code:HL-8084 We are offering Linear IC Trainer
Brief Features :
1. DC regulated power supplies Fix +- 12V/250mA, Variable 0 to +- 5 V/250mA
2. Sine wave oscillator of 1 KHz at 0.5 V p-p is built in
3. Functional diagram of IC 741 with input point is printed on board. Additional 8 pin IC base with machine pins is provided for putting any other IC of choice
4. Digital voltmeter 0-20 V DC 1 no
3.1/2 digit, LCD display, mains operated.
5. Assorted values of resistance 11No. 100, K, 3.3 K, 5K, 10K, 22K & 100 K ohms
6. Assorted value of capacitances 3 No 0.1, 1, & 10 uF
7. potentiometer 10 K ohm, Linear V 1 No
8. 2mm inter-connection leads 10 No
9. Toggle switch with selection of input or output V is provided.
10. Comprehensive USERS manual for performing 10 experiments on OP-AMP.
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Diode Valve Characteristic Apparatus With DC Power Supply | | Item Code:HL-480 Diode valve characteristic apparatus with DC regulated power supply objective:- VL characteristics of diode valve at various filament voltage. features:- instrument comprises of DC regulated power supply 0-300VDC/30MA, AC power supply 6. 3VAC/1amp. Two round meters for voltage & current measurement, valve diagram is printed on front panel, connections of supplies & valve brought out at 4mm socket.
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Tetrode/Pentode Valve Characteristics Apparatus | | Item Code:HL-482 Tetrode/Pentode Valve Characteristics Apparatus with DC Regulated Power SuppliesObjective:- Plate & Screen Characteristics of Tetrode & Pentode Valve at grid volatges.Features:- Instruments comprises of Two DC regulated power supplies 0-300VDC/30mA & One 0-25VDC/10mA, AC Power Supply 6.3 VAC/1Amp. five round meters for voltages & current measurement, valve diagram is printed on Front Panel, connections of Supplies & valve brought out at 4mm socket.
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Ionization Potential Of Mercury Using Thyratron Valve 2d21 | | Item Code:HL-483 Ionization Potential of Mercury using Thyratron valve 2D21Objective:- To draw Vl characteristics of Thyratron valve & calculate its Ionization Potential.Features:- Instrument comprises of DC regulated power supply 0-15VDC/150mA & AC power supply 6.3 VAC/1Amp, two round meters for voltage & current measurement, valve diagram is printed on front panel, connection of supplies and valve brought out at 4mm sockets.
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Thyratron Valve Characteristics Apparatus | | Item Code:HL-484 Thyratron Valve Characteristics Apparatus using Thyratron Valve 2D21 Objective:- To draw VI characteristics of Thryatron valve at various Grid Voltage. Features:- Instrument comprises of two Dc regulated power supplies 0-5VDC/150mA, 0-15VDC/150mA, AC power supply 6.3VAC/1Amp. three round meters for voltage & current measurement, valve diagram is printed on front panel, connections of supplies & valve brought out at 4mm sockets.
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'H' Parameters Of PNP Transistor In Common Emitter Mode | | Item Code:HL-488 'H' Parameters Of PNP Transistor In Common Emitter Mode Objective:- Calculation of 'H' Parameters such as current gain, Input Impedance Output Impedance and reverse feedback ratio. Features:- Instrument comprises of Two DC Regulated Power Supplies 0-10VDC/150mA, 0-1VDC/150mA, round meters for voltage & current measurement, one PNP & one NPN Transistor mounted behind the panel, connection of supplies & transistors brought out at 4mm sockets.
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Semiconductor Diode/PN junction Diode Apparatus | | Item Code:HL-493 Semiconductor diode/PN junction diode characteristics apparatus with regulated Power Supplies objective:- To study forward & reverse characteristics of PN Junction Diode.features:- Instrument comprises of Two DC regulated power supplies 0-3VDC/150mA & 0-30VDC/150mA, two round meters for voltage & current measurement, PN Junction Diodes mounted behind the panel, connections of supplies, meters & Diodes brought out at 4mm sockets.
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Semiconductor Diode/PN junction Diode | | Item Code:HL-494 Semiconductor Diode/PN Junction Diode Characteristics Apparatus same as HL-493 but with four round meters.
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Voltage Stabilization Characteristics Of Zenear Diode | | Item Code:HL-495 Voltage Stabilization Characteristics of Zenear Diode (without Load Resistances)Objective:- To study input voltage Vs output voltage characteristics & Output voltage Vs Load Characteristics.Features:- Instrument comprises of 1DC Power Supply, two round meters to measure input voltage & output voltage, one Zener Diode mounted behind the panel & connections brought out at terminals 6mm sockets.
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Voltage Stabilization Characteristics Of Zenear Diode | | Item Code:HL-496 Voltage stabilization characteristics of zenear diode (with built in a load resistance)
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Voltage Stabilization Characteristics Of Zenear Diode | | Item Code:HL-497 Voltage Stabilization Characteristics of Zenear Diode Same as HL-495 but with built in load resistances selectable using band switch.
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UJT Characteristics Apparatus With Regulated Power Supplies | | Item Code:HL-503 UJT characteristics apparatus with regulated power supplies & round meters objective:- to plot v-i characteristics & to measure interbase resistance. features:- instrument comprises of two dc regulated power supply 0-15vdc/150ma & 0-25vdc/150ma, three round meters for voltage & current measurement, one ujt 2n 2646 mounted behind the panel, connections of supplies, meters & ujt brought out at 4mm sockets.
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Mosfet Characteristics Apparatus | | Item Code:HL-504 Mosfet Characteristics Apparatus With Regulated Power Supplies & Round Meters Objective:- To plot VDS Versus ID for different values of VGS. Features:- Instrument comprises of Two DC regulated power supply 0-15VDC/150mA & 0-25VDC/150mA, three round meters for voltage & current measurement, one Mosfet no. TRF 840 mounted behind the panel, connections of supplies, Meters & Mosfet brought out at 4mm sockets.
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Characteristics & Appliances of Basic Thyristors | | Item Code:HL-505 Characteristics & Appliances Of Basic ThyristorsObjective:- To study characteristics & Applications of Diac, Triac, UJT & SCR. Features:- Instruments comprises of three DC regulated power supplies 0-15VDC/150mA, 0-50VDC/150mA & 0-25VDC/150mA, four round dual range meters for voltage & current measurement, UJT, SCR, Diac, Triac & their supportive components mounted behind the panel, connections of supplies, Meters & components brought out at 4mm sockets.
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DIAC Characteristics Apparatus With Two Meter | | Item Code:HL-506 DIAC Characteristics Apparatus With Two Meters & Regulated Power Supply Objective:- To study VI characteristics of DIAC. Features:- Instrument comprises of DC Regulated Power Supply 0-50VDC/150mA, two round meter for voltage & current measurement, one DIAC mounted behind the panel, connections of supplies & DIAC brought out at 4mm sockets.
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Triac Characteristics Apparatus With Regulated Power Supply | | Item Code:HL-507 Triac Characteristics Apparatus with Regulated Power Supplies Objective:- To study the MT Characteristics with Gate Signal in all the 4 Quadrants.Features:- Instrument comprises of Two DC Regulated Power Supplies 0-15VDC/150mA & 0-5VDC/150mA, three round meters for voltage & current measurement Triac mounted behind the panel, connections of Supplies & Triac brought out at 4mm sockets.
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LED Characteristics Apparatus | | Item Code:HL-509 LED Characteristics Apparatus Objective:- To study V-I characteristics of a LED. Features:- Instruments comprises of DC regulated power supply 0-3VDC/150mA, two round meters for voltage & current measurement, LED mounted on the panel connections of supplies & LED brought out at 4mm sockets.
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Characteristics Of OPTO Electronic Devices | | Item Code:HL-510 Characteristics Of OPTO Electronic Devices Objective:- To study VI characteristics of Photo transistor, Photo Diode & LED. Features:- Instrument comprises of DC regulated power supply 0-3VDC/150mA, Two round meter for voltage & current measurement, photo transistor, photo diode & LED mounted on the panel,connections of supplies, meters & components brought out at 4mm sockets. Lamp holder with 60W Bulb are given with this apparatus
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Photo Transistor Characteristics Apparatus | | Item Code:HL-512 Photo Transistor Characteristics Apparatus Objective:- To plot a graph, Current VS Intensity of light at different Value of Voltage.Features:- Instruments comprises of DC Regulated Power Supply 0-3VDC/150mA, Two round meters for volateg & current measurement, Photo Transistor mounted on the panel, connections of supplies & Photo Transistor brought out at 4mm sockets. Lamp holder with 60W Bulb are given with this apparatus.
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Scientific Instrument | | Item Code:HL-513 Resistivity of semiconductors by four Probe Method at Different Temperatures & Determinaton of Band-GapObjective:- The experiment consists of the following accessories for four probe arrangement, oven (Upto 200°C), Germanium Crystal mounted, Thermometer (0-200°C), four probe setup, constant current power supply,Digital Electronic Millivoltmeter of range 200mV. Display 3½digit 7 segment LED
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Solar Cell Characteristics Apparatus | | Item Code:HL-514 Solar Cell Characteristics Apparatus Objective:- To draw V & I Characteristics of Solar Cell.Features:- Instrument comprises of moving coil meters fitted on panel with power supply, Lamp house with power supply, solar cell mounted, optical bench double rod & connections leads.
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Susceptibility Or FeCl3 Solution/Quinck's Tube Method | | Item Code:HL-515 Susceptibility or FeCl3 Solution/Quinck's Tube MethodTo study Susceptibility of FeCl3 Solution in strong magnetic field, complete apparatus consisting of electrimagnet of 7.5Kg strength with its Power Supply 0-100V variable 6Amps. Digital Gauss Meter 0-20K Gauss. Graduated Quinck's Tube with wooden stand.
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Ultrasonic Diffraction Grating Experiment | | Item Code:HL-516 Ultrasonic Diffraction Grating Experiment (To Determine Velocity of Ultrasonic Wave)Ultrasonic Interferometer complete apparatus with R.F. Oscillator 3-8Mhz,, Crystal with tank, specially design Spectrometer, Sodium lamp with Transformers & wooden Box
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Dual Trace Oscilloscope | | Dual Trace OscilloscopeUsed in engineering institutions and universities, our range of Dual Trace Oscilloscopes can be customized to meet the exact specifications of the customers. These Oscilloscopes are light in weight, portable instruments that are compact enough to be easily carried by a single person. Further, our products can be availed at economical prices as per the requirements of the clients.
| GENERAL DESCRIPTION |
| | These 20MHz Oscilloscope are dual- channel oscilloscope with maximum sensitivity of 1 mV/DIV. The time base provides a maximum sweep time of 0.2 mS/DIV. When magnified by 10, the sweep speed is 20nS/DIV. These oscilloscope employ a 6-inch rectangular type TOSHIBA cathode-ray tube with red internal graticule.
These oscilloscopes are sturdy, easy to operate and exhibit high operational reliability. | | FEATURES | | High luminance, internal graticule Toshiba CRT | | Japanese electronic encoder, light handy and reliable | | Fully sealed long live vertical mode switch | | ALT Triggering Function. Two independent signals simultaneous observation. | | Triggering Level Lock Function, Automatic Synchronize Function. | | Built-in 6 Digit Frequency Counter.(available in model KM - 20 - 20 ) | High intensity CRT with high acceleration voltage :
The CRT is a high beam transmission, high intensity type with a high acceleration voltage of 2KV. It displays clear readable traces even at high sweep speeds. | | The Oscilloscope has a trigger level lock function which makes the triggering adjustment unnecessary. | Alternate triggering :
Even an observation of two waveforms of different frequencies, the waveform of the each channel is stably triggered. | TV sync triggering :
The oscilloscope has a sync separator circuit for triggering of TV-V and TV-H signals. | CHI Output :
Terminated 50 output of channel 1 signal available on rear panel for driving frequency counter or other instruments. | Z-Axis Input :
Intensity modulation capability permits time or frequency markers to be added. Trace blank with positive signal, TTL compatible. | X-Y operation :
Set the switch to X-Y. Then the instrument works as an X-Y oscilloscope. CH1 can be applied as horizontal deflection (X-axis) while CH2 provide vertical deflection (Y-axis). | |
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Measurement Of Peak, Average & RMS Value Of a AC Signal | | Item Code:HL-532 Features:- Instrument comprises of Sine Wave Output on sockets, Step Down transformer, Circuit Diagram for Peak & Average Value measurement Printed and connections of important points brought out at Sockets/Terminals.
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Verification Of KCL And KVL Electronic Instruments | | Item Code:HL533 Features:- Instrument comprises of DC regulated power supply 0-3VDC/250mA, two round meters for voltage & current measurement, Combination of resistances mounted on front panel.
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Charging & Discharging Of Condensor | | Item Code:HL-537 Objective:- To study RC Time constant using various sets of resistance & capacitors. Features:- Instrument comprises of Dc Power Supply with selector switch to select different voltages. One Centre Zero Micro ammeter, Circuit diagram is Printed. Terminals are provided for connecting different values of Resistances & capacitor.
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Flashing & Quenching Of Neon Apparatus | | Item Code:HL-538 Objective:- To calculate charge & discharge time of a condenser. Features:- Instrument comprises of High Voltage DC Power Supply 250VDC/30mA, 3 Capacitors(paper Type) connected behind the front panel, can be selected using toggle switches & one Neon Lamp.
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Convertion Of Galvanometer Into A Voltmeter | | Item Code:HL-540 Features:- Instrument comprises of DC Regulated Power Supply 0-5VDC/150mA, two round meters (One Voltmeter & one Galvanometer), Three set of resistances mounted behind the panel, connections of supplies, Meters & Resistances brought out at 4mm Sockets.
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Convertion Of Galvanometer Into A Currentmeter | | Item Code:HL-541 Features:- Instrument comprises of DC regulated power supply of 0-5VDC/150mA, Two round meter (One milliammeter & one galvanometer), Three set of shunts mounted behind the panel, connections of supplies, Meters & shunts brought out at 4mm sockets.
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Convertion Of Galvanometer Into A Voltmeter & Ammeter | | Item Code:HL-542 Features:- Instrument comprises of Dc regulated Power Supply of 0-5V, Three round moving coil meters (One Voltmeter, One Milliammeter & One Galvanometer). Three shunts, Three resistances are mounted on front panel.
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LCR Resonance Apparatus | | Item Code:HL-544 Objective:- To plot frequency Vs. Current Characteristics of LCR circuit when connected in series or in parallel. Features:- Instrument comprises of 3 Resistances, 3 capacitors & 1 Inductance connected inside & connections brought out at Sockets. 2 AC moving coil meters to measure voltage & current.
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LCR Impedence Circuit Apparatus | | Item Code:HL-549 Objective:- To calculate AC power factor of LCR circuit when connected in series & subjected to AC voltage. Features:- Instrument comprises of AC Power Supply 3-15VAc, voltage selectable using band switch, 2 AC moving coil meters to measure voltage & current, 3 Resistance, 3 Capacitors & 1 Inductance connected inside & connections brought out at terminals.
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RC Cuircuit (Transient Response) | | Item Code:HL-550 Objective:- To study & plot graph for RC circuit as Low Pass & High Pass filters. Features:- Circuit diagram for low Pass, High Pass filters Printed, 3 Resistances 3 capcitors are placed inside and connections brought out at 4mm Sockets.
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Cliping & Clamping Circuit Apparatus | | Item Code:HL-551 Objective:- To study effect of Positive & Negative clipping & clamping on sine wave.
Features:- Instrument comprises of DC Regulated Power Supply 0-3VDC/150mA. Two fix output DC power supplies connected in series OD diodes for positives & negative clipping, Circuit diagram for clipping & clamping circuit printed, components placed inside & connections brought out at 4mm sockets.
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FET Common Source Amplifier | | Item Code:HL-557 Objective:- Study of Voltage Gain and Frequency Response of a Common Source Amplifier.
Features:- Instrument comprises of DC Regulated Power Supply, Circuit diagram is printed, components mounted on the front panel.
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Common Collector (Emitter Follower) Transistor Amplifier | | Item Code:HL-558 Objective:- To study Frequency Response, Input Impedance & Output Impedance of Common Collector Transistor Amplifier.
Features:- instrument comprises of DC Regulated Power Supply, Circuit diagram is printed, components mounted on the front panel.
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Common Base Transistor Amplifier (Frequency Response) | | Item Code:HL-559 Objective:- To study frequency response of common base transistor amplifier.
Features:- Instrument comprises of DC regulated power supply, circuit diagram is printed, components mounted on the front panel.
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E/M By Magnatron Method | | Item Code:HL-8025AB HL- E/M by Magnatron Method Objective:- To study charge of an electron using short solenoid method.
Features:- Kit Comprises of low voltage DC Power supply unit with filament voltage & solenoid current controls. Two meters are provided for anode voltage controls. One solenoid unit comprises of one solenoid mounted on wooden stand & valve 41 is kept in the solenoid pipe.
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Study Of Left, Right & Programmable Shift Register | | Item Code:HL-8100 Objective : To study & verify truth table of Left, Right & Programmable Shift Register using IC 7495.
Features : Instrument comprises of DC Regulated Power Supply 5VDC/150mA, 4 SPDT switches provided for selecting logic ‘1’ & logic ‘0’, 1Hz monoshot clock pulse, four output indicators, Circuit diagram for IC 7495 printed and two switches for serial input & Mode control.
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Bulb Holders M.E.S. | | Mounted bulb for easy connections to electrical circuits. Overall dia. 30 mm. Bulb Holder M.E.S. Plastic Bulb Holder M.E.S. PVC.
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Coil Friction Apparatus | | This Coil Friction Apparatus is comprised of an aluminum drum and wooden board that has three frictionless pulleys mounted on it. These pulleys can be adjusted at laps of 3/4th or 1/4th drum circumference. These apparatus is used to distinguish the relation between lap angle, tension and groove geometry. It can be customized as per the client’s requirement and are available at industry leading prices.
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Item Code:HL-8024 Lechlanchee cell output voltage 1. 5v. |
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Item Code:HL-8026 Daniel cell output voltage 1. 018 VDC. |
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Sodium/Mercury Vapour Lamp Transformer |
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