Vijai Electronics

We bring an extensive range of state-of-the art control lab trainers that come in various models. Our control lab trainers are highly efficient and best in performance. We have the capability deliver these in customized designs as per the specification of the clients. The models are:

• Magnetic Amplifier Demonstration Unit, Type-M-1-1600 suitable for demonstration of all experiments based on magnetic amplifier principle.
• Magnetic Amplifier Demonstration Unit, Model-M-1-1700 suitable for demonstration of self excited, positive & negative feedback, amplistate & bridge.
• Magnetic Amplifier Demonstration Unit, Model-M-1800. Suitable for demonstrate of series parallels connected & BH Loop.
• Linear System Simulator Trainer, Model -LSS-101
• Temperature Controller System. Model-TCS-01.
• Study of stepper Motor Trainer, Model-CMS-101(WITH UP INTERFACE)
• Compensating Network Set-up, Model-CNS-101.
• Relay Control System, Model-RCS-01.
• D.C Position Control System, Model-DCP-01.
• D.C Speed Control System Trainer, Model-SCS-101.
• PID Controller Trainer, Model-CPID-101.
• Potentiometric Error Detector, Model-PED-01.
• Light Intensity Control, Model-LIC-01.
• Digital Control Systems, Model-DC-01.
• Stroboscope Trainer, Model-STB-01.
• Microprocessor Device Controller Trainer, Model-MDC-01.
• D.C. Motor Study Trainer, Model-DCM-01
• Study of A.C. Servo Motor Trainer, Model-ACS-01.
• Study of Synchro Devices Trainer, Model-SD-01.

We offer to our clients a wide range of electronics lab trainer that are highly efficient and are widely used across various industries.

• Study  of  Stabilized  Power  Supply,  Model – SPS – 12. (Solid State)
• Study  of  Multivibrators,  Model – MV – 12.  (Complete in all respect, except C.R.O.)
• Study  of  Hybrid  Parameters  of  Transistors,  Model – H – 01.
• Measurement  of   h,  y,  &  z  parameters  of  junction  transistor  in  CE  mode  at different  Emitter  current  values,  Model – H – 02.
• Study  of  a  Basic  Operational  Amplifier,  Model – 741.
• Study  of  Op – Amp.  Math  Circuits,  Model – 741 M. (Using Op-Amp. as summer, subtractor, difference, integrator, differentiator).
• Study of Schmitt Trigger & Comparator using Op-Amp.,  Model – CST – 10.
• Study of Precision Rectifier Trainer using Op-Amp.,  Model – PR – 10.
• Study of Voltage Controlled Oscillator Trainer using IC-NE-566,  Model – VCO – 10.
• Study  of  Integrated  Circuit  Timer,  Model – 555.
• Study of Astable & Monostable Multivibrators using IC-555, Model – AM – 555.
• Study  of  an  Integrated  Circuit  Regulator,  Model – 723.
• Study of Transistor Amplifier (RC Coupled) Cum-Feed Back Amplifier, Model – RC–10.
• Study of Two Stage Audio Amplifier in CE mode with RC, LC and Transformer Coupling,  Model – CT – 12.
• Study  of  Single  Stage  Transistor  Amplifier  in  CE  mode,  Model – CE – 10.
• Study  of  Single  Stage  Transistor  Amplifier  in  CB  mode,  Model – CB – 12.
• Study of Load Variation & Frequency Response of Single Stage CE Amplifier, Model–LF–04.
• Study  of  Transistorized  Chopper  Amplifier,  Model – CA – 10.
• Study  of  Instrumentation  Amplifier  using  Op- Amp.,  Model – IA – 12.
• Characteristics  of  Op – Amp.  Frequency  Selective  Amplifier,  Model – FS – 10.
• Study  of  Emitter  Follower / Darlington  Pair  Amplifier,  Model – FD – 10.
• Study of  Class  A,  AB  and  B  Push – Pull  Amplifier,  Model – PP – 10.
• Different types of Characteristics of Junction Transistor in CE, CB & CC configuration, Model – JT – 10.  (Using  N.P.N.  Transistor)
• Different types of Characteristics of Junction Transistor in CE, CB & CC configuration, Model – JT – 11.  (Using  P.N.P.  Transistor)
• Characteristics of Semiconductors Diodes : Si, Ge, Zener, & LED,  Model – SD – 12.
• Characteristics  of  P.N.  Junction  Diodes  (Ge & Si),  Model – D – 01.
• Characteristics  of  Zener  Diode  and  Zener  Regulator,  Model – Z – 10.
• Characteristics  of  UJT,  Measurement  of  its  Parameters  and  UJT  as  saw  Tooth Generator,  Model – UJ – 05.
• Characteristics of FET, Measurement of its parameters & FET Amplifier, Model–FT–10.

We offer to our clients a wide range of instrumentation lab trainers that are highly efficient and are widely used across various industries. Made using latest techniques these are offered at competitive rates. Some of its models are:

• Thermocouple Demonstration Set-Up, Model-T-10A.(Using K-type transducer)
• Thermocouple Demonstration Set-Up, Model-T-10D(Using J-type transducer)
• R.T.D. Demonstration Set-Up, Model-T-10B(Using PT-100 type transducer)
• Thermistor Demonstration Set-Up Model-T-10C
• Characteristics of Strain Gauge, Model-SG-10.
• Demonstration Set-Up for Water Level Transducer, Model-LM-12
• Instrumentation Tutor for Load Cell, Model-LC-10
• Instrumentation Tutor for Pressure Measurement, Model-P-12
• Study of Angular Displacement Trainer, Model-AG-10
• Study of Linear Variable Differential Transformer, Model-LVDT-10A
• Study of Acceleration Measurement Trainer, Model-AVM-10
• Study of Torque Measurement Trainer, Model-TM-10
• Study of Speed Measurement trainer(using opto electronic pick-up), Model-SM-11
• Study of Speed Measurement trainer(using electromagnetic pick-up), Model-SM-11
• Study of Linear Pot Instrument Trainer.

We offer to our clients a wide range of physics lab trainer that are highly efficient and are widely used across various industries.

• Resistivity of Semiconductors by Four Probe  method at different temperature and determination of band-gap,  Model – DFP – 02.  (Basic  Model)
• Complete with Four Probe arrangement, oven with Power Supply, sample
• ‘Ge’ Crystal thermometer and probe set-up.
• Resistivity of Semiconductors by Four Probe  method at different temperature and determination of band-gap,  Model – DFP – 03.  (Advance Model)
• Four Probe set-up for measuring the Resistivity of very low to highly Resistive sample at temperature upto 2000C with PID controlled oven.  (Research Model).
• Complete with Four Probe arrangement with builtin RTD sensor & PID controlled oven, DC Microvoltmeter, Constant Current Source and Low current source.
• Four Probe set-up for mapping the Resistivity of  Large Samples.
• Complete with Four Probe arrangement with 2 way movement & vernier scales, DC Micro voltmeter, Constant Current Source and Low current source.
• Study of Dielectric Constant & Curie Temperature for Ferroelectrics Ceramics.
• Study of Planck’s Constant By Photo Electric Effect,  Model – PC – 01.
• Determination of Planck’s Constant by means of LED’s.
• Electron Spin Resonance  Spectrometer,  Model – ESR – 01.
• Study of Thermoluminescence of F-Centres in Alkali Harlide.
• Complete with creating the thermoluminescence, Photomultiplier, PMT housing with biasing circuit & connecting coaxial cables, EHT power supply and digital Nanoammeter.
• Dependence of Hall Coefficient of Temperature.
• Complete with Digital hall effect set-up, Model-DHE-22, Hall Probe (Ge: p-type) with a small oven and a thermocouple, Electromagnet, Constant Current Source and Digital Gauss Meter.
• Measurement of Magneto resistance of Semiconductors.
• Complete with Four Probe arrangement, Sample : “Ge” Crystal n-type, Magneto resistance, Model-DMR-01, Electromagnet, Constant Current Source and Digital Gauss Meter.
• Hall  Effect  Experiment.
• Complete with Electromagnet, Constant Current Power Supply, Digital Gauss Meter and Germanium Crystal Hall Probe  and  wooden stand for hall probe.
• Study of the Energy Band-Gap & diffusion Potential of P.N. Junction, Model – PN – 01.
• Apparatus  for  the  Measurement  of  susceptibility  of  Paramagnetic  Solution  by  Quink’s  tube  method.  
• Complete with Quink's tube with FeCl3, Electromagnet, Constant Current Power Supply and digital gauss meter.
• Magnetic  Hysteresis Loop  Tracer,  Model – HLT – 111.  (Complete in all respect).
• Frank   Hertz  Experiment.  (Complete in all respects)
• Two probe method for Resistivity measurement of Insulators (upto 1013.cm.) at different temperature. 

Avail from us a wide spectrum of network & measurement trainers that are high in quality. We offer these at competitive rates. The models offered by us are:

Theorems  :

• Verification  of  Maximum  Power  Transfer  Theorem  with  two  Digital  Panel  Meters and  Power  Supplies,  Model – M – 10.
• Verification  of  Network  Theorems,  Model – N – 10.  (in  DC Circuit) (Kirchhoff’s  Voltage  and  Current  Low,  Super  Position,  Thevenin  and  Norton)  with  two  Digital Panel  Meters  and  Power  Supplies)
• Verification  of  Network  Theorems,  Model – N – 10 AC.  (in  AC  Circuit) (Maximum Power Transfer, Superposition, Thevenin  and  Norton)  with  two  Digital Panel  Meters  and  Power  Supplies)
• Verification  of  Tellegen’s  Theorems,  Model – TG – 10. with  two  Digital Panel  Meters  and  DC  Power  Supplies.
• Verification  of  Reciprocity  Theorems,  Model – RT – 10. with  two  Digital Panel  Meters  and  DC  Power  Supplies.
• Study  of  Cascaded  Two  Port  Network,   Model – TPN – 10.
• Study  of   “T”,  “”  and  “Bridge – T”  Type  Attenuators,  Model – BT – 10.
• Study  of  Clipping  and  Clamping  Circuit  Trainer,  Model – CAC – 10.
• Study  of  L.C.R.  Series  and  Parallel  Circuits, Model – LCR – 12.
• Study  of  R. C.  Network  Kit,  Model – RCN – 10.
• Study  of  Transient  Response  of  R.L.C.  Circuits  Trainer,  Model – TR – 01.
• Study  of  L.D.R.  Characteristics  Apparatus,  Model – LDR – 10.
• Characteristics  of  Opto  Electronics  Devices  Trainer, Model – Opto – 10.

A.C. Bridges  :

• Study  of  Anderson  Bridge,  Model – AB – 10.
• Study  of  Maxwell’s  Bridge,  Model – MB – 10.
• Study  of  Schering  Bridge,  Model – SB – 10.
• Study  of  Wien  Bridge,  Model – WB – 10.
• Study  of  Wheat – Stone  Bridge,  Model – WSB – 10.
• Study  of  De-Sauty  Bridge,  Model – DSB – 10.
• Study  of  Hay’s  Bridge,  Model – HB – 10.
• Study  of  Owen’s  Bridge,  Model – SB – 10.

Avail from us a wide spectrum of power electronics and industrial lab trainers that are high in quality. We offer these at competitive rates. The models offered by us are:

• Study of Single Phase Full Bridge Converter, Model-SPBC-101.
• Study of Single Phase Half Bridge Converter, Model-SPHB-102.
• Study of Single Phase Half Wave Controller Rectifier, Model-SPHC-103.
• Study of Three Fully Controlled Bridge Rectifier Trainer, Model--TPBC-301.
• Study of SCR Commutation Circuit A-E, Model-CC-201.
• Single Phase Dual Bridge Converter, Model-SPDC-701.
• Study of Jones Chopper Circuit(SCR Based), Model-JC-701.
• Study of Margon's Chopper Circuit (SCR Based), Model-MC-702.
• Study of (Mosfet Based)Inverter Circuit, Model-MI-601.
• Study of S.C.R. Parallel Inverter Circuit, Model-SPI-501.
• Study of S.C.R. Series Inverter Circuit, Model-SSI-401.
• Study of D.C .Motor Speed Control, Model-DSC-801.
• Study of Thyristor Firing Angle Control Trainer (8085based), Model-TFC-901.
• Study of DC Motor Speed Controller Thyristorized Trainer(8085based), Model-TFC-902
• Study of Single Phase to Single Phase Midpoint Cyclo Convereter.
• Different Types of Triggering Techniques of SCR, Model-SCR-05.
• Study of UJT Saw Tooth Generator/Relaxation Oscillator, Model-UJ-04.
• Study of SCR Characteristics, Model-SCR-10.
• SCR Phase Control by Firing Circuit(R & RC), Model-SCR-06.
• Study of SCR Phase Control, Model-SCR-07.
• Study of UJT Saw Tooth Generator/Relaxation Oscillator, Model-UJ-04.
• Characteristics of TRIAC & Measurement of its Parameters, Model-T-09.
• Study of DIAC & Measurement of its Parameters, Model-D-10.
• Characteristics of MOSFET, Model-MS-10.

We manufacture and offer project board/bread board trainer that exhibit high performance. We have the capability to offer them in customized sizes.


Project Bread Board,   Model – BB – 12 V.
Solderless bread board with builtin Variable Power Supply.
(0–15 Volt, 0–5, Volt at 500, mAmp)

Project Bread Board,   Model – BB – 12.
Solderless bread board with builtin Fixed Power Supply.
( 12 Volt,  5 Volt  at  500, mAmp)