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Electronic Instruments

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Demorgan's Theoram Abron

AR-1245


Price : Rs 0 eachSend Enquiry
 
   
   
 

Demostration Emergency Light Trainer

AE-1244

The complete circuit diagram of Colour T. V. is engraved on the panel with Valves and Test Points with variations are provided for study. Complete with Manual.


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Dial CH. Apparatus Abron

AE-1246

To draw characteristic of A diac is a bidirectional avalanche diode which can be turned ON by either the positive or negative alternation of an input AC wave. This solid-state device, like the conventional diode, has two terminals MT1 and MT2. Diacs are used as triggering devices in light-dimming circuits, in heat-control circuits, in motor-control circuits and in similar applications


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Dielectric Constant OF A Substance

AE-1247D

Object :

To determine the dielectric constant of a substance by resonance method.

Apparatus Required :

Variable frequency R. F. oscillator, p - n junction diode, test capacitor(with a facility to fill it with dielectric; a capacitor as used in radio sets can be employed), micro ammeter(0 - 50 uA), coupling coils and standard(calibrated) variable air capacitor (0 - 1000 pF). Power Supply etc as required.


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Differential Amplifier Apparatus Abron

AE-1249

Trainer Board with Power Supply


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Digital Potentiometer Abron

AE-1250A

The instrument is designed to measure the potential Voltage of any current without loading the circuit. It does not draw any current from the circuit of which the voltage is to be measured.
Input Impedance : 10 ohms Range : Measuring Range : +/- 1.999 Volts


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Digital Potentiometer With Electrode Research model

AE-1250C

The instrument is designed to measure the potential Voltage of any current
without loading the circuit. It does not draw any current from the circuit
of which the voltage is to be measured.
Input Impedance : 10 ohms
Range : Measuring Range : +/- 1.999 Volts
Accuracy : 0.001 Volts or 1 digit
Electrodes :

(i)

Platinum Electrodes - 2 Nos.

(ii)

Zinc Plate 6" x 2" with terminal- 2 Nos.

(iii)

Copper Plate 6" x 2" with terminal- 2 Nos.

(iv)

Display 3 Digit LED

* Complete with Manual.


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Digital Potentiometer with Standard Cell Abron

AE-1250B

The instrument is designed to measure the potential Voltage of any current without loading the circuit. It does not draw any current from the circuit of which the voltage is to be measured.
Input Impedance : 10 ohms Range : Measuring Range : +/- 1.999 Volts Platinum Electrode


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Digital to Analog Converter

AE-1202-02

Complete set with circuit engraved and in box with power supply
wire and shoe Abron

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Digital to Analog Convertor Abron

AE-1247A

Objective :

To study Digital to Analog convertor using R - 2R network.

Features :

+5 VDC Regulated power supply, + 15 VDC regulated power supply, 1 voltmeter, 4 push to on switches provied for selecting login '1' & logic '0', Circuit diagram for R-2R network & inverting circuit using IC 741 printed on the front panel & connections for various inputs & output printed on the front panel & connections for various inputs & outputs brought on the sockets, complete with patch cords & instruction manual.


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Digital Trainer Abron

AE-1233

in wooden box Complete with suitable power supply and
connecting leads with banana plugs
AND, NAND, OR, NOR, EX OR EXNOR, RS FLIP/
FLOP realization boolean expression half adder
Price : Rs 0 eachSend Enquiry
 
   
   
 

Digital Trainer Abron

AE-1248

AND, NAND, OR, NOR, EX OR EXNOR, RS FLIP/FLOP realization boolean expression half adder. Digital Trainer has been designed specifically for the verification of truth tables of basic gates and of simple boolean expressions. The instrument will be useful for the beginners in the field of Digital Electronics. It can be used for verification of basic gates (AND, OR, NOT) and also for the following purposes

(i)

Verification of truth tables for simple boolean expressions.

(ii)

Realisation of other gates like NAND, NOR, EXOR and Flip-Flop etc.

(iii)

Realisation of half adder.


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Diode as Half/Full Wave Rectifier CH. Abron

AE-1251

Aim : To construct a half-wave rectifier circuit using a semi-conductor diode and to eveluate by experiment the ripple and percent ripple in the output

(i)

without filter

(ii)

with a capacitor filter also to calculate the percentage regulation.

Principle :

In a half-wave rectifier, the diode conducts during the positive half of the cycle and therefore only the positive portions of the input sine wave appear across the load. As a result, the output is practically made up of half sinusoids (ripple) superimposed on a DC component. The factor in a half-wave rectifier circuit is determined by measuring the DC output voltage and the rms value of the ripple voltage by using appropriate voltmeters.

*Complete with Manual and Connecting Wire.


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Diode Limiters Abron

AE-1252

for study. Complete with Manual.


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Diode Valve Apparatus Characteristic apparatus Abron

AE-1254A

Basic : This instrument is designed to work on 230 Volts AC. It consists of power supply of its own, fitted with a Diode Valve on the front panel. The anode voltage can be varied from 0 - 250 Volts at 25 Mili Amps. Two meters 65mm round are provided to read the Anode voltage & anode current. This apparatus is very useful for plotting the characteristic curve of a Diode valve. many students can perform the experiment without wasting their much of time. The instrument is built in a steel box nicely polished Saturation Point is oained.

Specifications :

Input :

230 Volts AC 50 c/s.

Ouput :

0 - 250 Volts at 25 Milli Amps.

LT :

6.3 Volts at 500 MA variable(Continuously variable).

*Complete with Manual and Connecting Wire.


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Diode Valve Apparatus Characteristic apparatus Stabilised Power Supply

AE-1254A

Basic : This instrument is designed to work on 230 Volts AC. It consists of power supply of its own, fitted with a Diode Valve on the front panel. The anode voltage can be varied from 0 - 250 Volts at 25 Mili Amps. Two meters 65mm round are provided to read the Anode voltage & anode current. This apparatus is very useful for plotting the characteristic curve of a Diode valve. many students can perform the experiment without wasting their much of time. The instrument is built in a steel box nicely polished Saturation Point is oained.

Specifications :

Input :

230 Volts AC 50 c/s.

Ouput :

0 - 250 Volts at 25 Milli Amps.

LT :

6.3 Volts at 500 MA variable(Continuously variable).

*Complete with Manual and Connecting Wire.


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Diode Valve on Board

AE-1253A

The valve tubes are fitted on board with Schematic Diagram engraved / screen printing with suitable Banana Terminals as per the requirement of valves


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Discreate Operational Amplifier

AE-1258-25

Fixed dual DC power supply with one potentiometeric divider for + 3 volt DC input, three stage circuit comprises five transistors, one potentiometer, four resistors to verify the operation. Test points for measurements. Complete with Manual and Connection Wire.
Optional: Digital multimeter, C. R. O., Function Generator.


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E/M BY Bosch Method (Helical) Abron

AE-1266

Power supply C.R.O. solenoid complete with

The apparatus consists of four parts :

(i)

A Cathode Ray Tube mounted on two rings.

(ii)

Solenoid in the interior of which Cathode Ray Tube is placed.

(iii)

A power supply which consists of

(a)

Power Supply to operate the Cathode Ray Tube.

(b)

To provide AC voltage for deflecting plates.

(iv)

Low voltage DC Supply for Solenoid.

Solenoid

Input :

230 Volts 50 c/s

EHT :

1000 Volts

DC Output for Solenoid:

Provided with reversing switch 30 Volts DC at 1.5 A

Solenoid :

Dia 4" OR 5"


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E/M By Helical Method Abron

AE-1263

Power supply C.R.O. solenoid complete with HELICAL METHOD (BOSCH METHOD)

The apparatus consists of four parts :

(i)

A Cathode Ray Tube mounted on two rings.

(ii)

Solenoid in the interior of which Cathode Ray Tube is placed.

(iii)

A power supply which consists of(a)Power Supply to operate the Cathode Ray Tube.

(b)

To provide AC voltage for deflecting plates.

(iv)

Low voltage DC Supply for Solenoid.

Specifications:

Input :

230 Volts 50 c/s EHT: 1000 Volts

DC Output for Solenoid:

Provided with reversing switch 30 Volts DC at 1.5 A

Solenoid :

Dia 4" OR 5"

Length :

18" (Approx.)

wound on properly insulated former and fitted on nicely polished teak wood base.


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E/M By Magic Eye Method Abron

AE-1262

Stabilised Power Supply :

Input:

230 Volts

Output :

0 - 300 Volts at 100 mA

LT :

6.3 Volts at 3 Amps.

Fitted with two meters to read volts and mA.

Power Supply for Solenoid :

Input :

230 Volts AC

Output :

0 -8 Volts at 5 Amps.

Fitted with meter to read Solenoid current.

Solenoid :

4" in length with prepex sheet cover to see the shadow of the Magic Eye.

Rheostat is provided to vary the current of the Solenoid.


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E/M By Magnetron Valve Method Abron

AE-1264

Power supply C.R.O. solenoid complete with
The instrument has a Solenoid heavy duty with
terminals for connections to Power Supply. CRT
Magnetron Valve is having special cord multiwire for
connection to Power Supply. The selector switch for
X and Y deflection with separate controlls is also provided.
Single Power Supplyis having controlls for Solenoid, Plate voltages and CRT Tube.
Magnetron Valve :With leads is supported by two bakelite rings.
With special multi-wire special adapter cord for connection to Power Supply


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E/M By Thomson Method (Bar Magnet Method)

AE-1265

Bar Magnet Method.Power supply, C.R.O. Magnetometer, compass etc.
One of the most fascinating demonstration of modern physics in the controlled bending of stream of high speed electrons in a magnetic field. Measurement of the ratio of the charge on the electron to its equally minute mass imparts a stimulating sense of achievement. The apparatus consists of a 3" Cathode Ray Tube.Power Supply Unit to provide HV voltage to operate the Cathode Ray Tube and DC Voltage for deflection plates, three wooden stands and a pair of bar magnet. he tube is mounted on a wooden stand which has a groove cut at its bottom to fit into another stand with platform for placing two bar magnets. Third wooden stand provides a platform for Magnetometer for measuring the magnetic field along the axis of the tube. he Power Supply Unit provides all the voltages required to operate the tube. It supplies the positive voltage required to deflect the Electron Beam. This voltages can be varied by the deflection control and can be measured by Voltmeter given on the panel. he voltages on the deflection plates are interchanged by switch REVERSE so as to deflect the beam either upward or downward.


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Earth Resistance Tester Analog Hand Driven

AE-1256A

It is necessary for an earth electrode to have a low total resistance to perform satisfactorily. The value is influenced by a specific resistance of the surrounding soil. This in turn depends on the nature of the soil and its moisture contents. An electrode, it is advantageous to survey the surrounding area before choosing the final site for electrodes.One of the major applications of EARTH TESTER is to measure resistivity of soil at different levels underground from ground level. this indicates the advisability of skining electodes to a greater depth, rather than increasing cost by adding more electrodes and connecting cables, in order to reach a specified total earth system resistance. For archaeological and geological surveys, an investigation of soil structure and building remains can be carried out at varying measured depths.

Specifications :

Hand Driven :

For Generator

Range :

0 - 100 ohms Direct Reading

Current :

AC / DC as required.

Terminals :

4 Terminals type n

Meter :

Analog


Price : Rs 0 eachSend Enquiry
 
   
   
 

Earth Resistance Tester Digital Hand Driven

AE-1256D

It is necessary for an earth electrode to have a low total resistance to perform satisfactorily. The value is influenced by a specific resistance of the surrounding soil. This in turn depends on the nature of the soil and its moisture contents. An electrode, it is advantageous to survey the surrounding area before choosing the final site for electrodes.One of the major applications of EARTH TESTER is to measure resistivity of soil at different levels underground from ground level. this indicates the advisability of skining electodes to a greater depth, rather than increasing cost by adding more electrodes and connecting cables, in order to reach a specified total earth system resistance. For archaeological and geological surveys, an investigation of soil structure and building remains can be carried out at varying measured depths.

Specifications :

Hand Driven :

For Generator

Range :

0 - 100 ohms Direct Reading

Current :

AC / DC as required.

Terminals :

4 Terminals type n

Meter :

Digital


Price : Rs 0 eachSend Enquiry
 
   
   
 

Earth Resistance Tester Digital Hand Driven

AE-1256D

It is necessary for an earth electrode to have a low total resistance to perform satisfactorily. The value is influenced by a specific resistance of the surrounding soil. This in turn depends on the nature of the soil and its moisture contents. An electrode, it is advantageous to survey the surrounding area before choosing the final site for electrodes.One of the major applications of EARTH TESTER is to measure resistivity of soil at different levels underground from ground level. this indicates the advisability of skining electodes to a greater depth, rather than increasing cost by adding more electrodes and connecting cables, in order to reach a specified total earth system resistance. For archaeological and geological surveys, an investigation of soil structure and building remains can be carried out at varying measured depths.

Specifications :

Hand Driven :

For Generator

Range :

0 - 100 ohms Direct Reading

Current :

AC / DC as required.

Terminals :

4 Terminals type n

Meter :

Digital


Price : Rs 0 eachSend Enquiry
 
   
   
 

Earth Resistance Tester Kit PF Spikes

AE-1256B

Consists of 4 ms spikes, 4 spoons of wires 1 hammer, 1 screw driver, 1 plier, carrying bag


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Electronic Standard Cell with Digital Display

AE-1393B

This is very useful for all the experiments where Standard Cell
Voltage is required for calibration, Standardisation is required.

Specifications :

Input :

220V AC 50 Hz stabilised ie circuit

Output :

Standard 1.018 stabilised

Accuracy :

0.005% + 1 digit

Display :

3 digit LED


Price : Rs 0 eachSend Enquiry
 
   
   
 

Electronic Standard Cell Without Digital Display

AE-1393A

This is very useful for all the experiments where Standard Cell
Voltage is required for calibration, Standardisation is required.

Specifications :

Input :

220V AC 50 Hz stabilised ie circuit

Output :

Standard 1.018 stabilised

Accuracy :

0.005%


Price : Rs 0 eachSend Enquiry
 
   
   
 

Electronic Training Board

AE-1258

The instruments have circuit diagram engraved on the panel with output terminals 4 mm banana plugs for connections of oscillations etc. with Power Supply 12 Volts is built-in with cord ON / OFF switch and jewel light, set of patch cord and Manual.

(i)

Made of Resistances, Capacitance Transistor (Discrete Components).

(ii)

Made of IC and Resistance etc.

Optical Requirement:

V. T. V. M. and C. R. O.

*Complete with Manual and Connection Wire.


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