• AVI 3010 : CRO 10MHz, Single Channel
• AVI 3020 :CRO 20MHz, Dual Channel, 2 Trace
• AVI 3020CT : CRO 20MHz, Dual Channel, 2 Trace with Component Tester
• AVI 3030 :CRO 30MHz, Dual Channel, 2 Trace
• AVI 3030F :CRO 30MHz, Dual Channel, 2 Trace with inbuilt 30MHz Frequency Counter
• AVI 3060 :CRO 60MHz, Dual Channel, 2 Trace
• AVI 3060CR :CRO 60MHz, Dual Channel, 2 Trace with CRT Readout

• AVI 4025M :DSO 25MHz (Mono LCD Display)
• AVI 4060M :DSO 60 MHz (Mono LCD Display)
• AVI 4060C :DSO 60 MHz (Color LCD Display)
• AVI 4100M :DSO 100 MHz (Mono LCD Display)
• AVI 4100C :DSO 100 MHz (Color LCD Display)
• AVI 4115C :DSO 150 MHz (Color LCD Display)
• AVI 4200C :DSO 200 MHz (Color LCD Display)

• AVI 5001 :Spectrum Analyzer 1GHz
• AVI 5001TG :Spectrum Analyzer 1GHz with Tracking Generator

• AVI 2110 :DDS Signal Generator 0.1Hz ~ 10MHz
• AVI 2150A :Arbitrary Signal Generator 0.1Hz ~ 50MHz
• AVI 900 :Function Generator 0.1Hz~10MHz with AM/FM & Frequency Counter
• AVI 905 :Function Generator 0.1Hz~15MHz with AM/FM & Frequency Counter
• AVI 910 :Function Generator 0.1Hz~2MHz with AM/FM & Frequency Counter
• AVI 915 :Function Generator 0.1Hz~2MHz with AM/FM, Power Output & Frequency Counter
• AVI 916 :Function Generator 0.1Hz ~ 6MHz with Frequency Counter & Amplitude display
• AVI 957 :Function Generator 0.1Hz~5MHz with Frequency Counter
• AVI2015AD :Digital Signal Generator 0.1Hz~15MHz
• AVI 450 :Analog RF Signal Generator 100KHz~150MHz
• AVI 4162AD :Digital RF Signal Generator 100KHz~150MHz with Frequency Counter
• AVI 250 :Analog Function Generator 1Hz to 200KHz
• AVI 251 :Sine/Square Oscillator 1Hz to 1MHz
• AVI 252 :Fixed Frequency Sine WAVIe Oscillator
• AVI 253 :RF Signal Generator 100kHz - 30MHz
• AVI 254 :RF Oscillator 3MHz - 8MHz
• AVI 2000 :8 Digit Frequency Counter 10Hz~2.4 GHz
• AVI F1000C :8 Digit Multifunction Counter 1Hz~1GHz
• AVI-936B :Antistatic Soldering Station: Temperature 200-480C
• AVI 850 :Hot Air Soldring Station
• AVI-936D :Digital Antistatic Soldering Station
• AVI 702 :Soldering Station Maintenance Center

• AVI 230 :Single Output 0 - 30VDC/2 Amps with fixed 5V/3.3V output
• AVI 231 :Single Output 0 - 30VDC/5 Amps with fixed 5V/3.3V output
• AVI 240 :Dual Output 0 ± 30VDC/2 Amps with fixed 5V/3.3V output
• AVI 241 :Dual Output 0 ± 30VDC/5 Amps with fixed 5V/3.3V output
• AVI 130 :Multiple DC Regulated Power Supply

• AVI 135: DC Power supply 0 - 16Volts / 2Amps with One Digital VoltAVter
• AVI 137: Electronic Standard Cell 1.018 VDC
• AVI 138 :Fixed Output DC Regulated Power Supply ± 5VDC/1Amp
• AVI 140 :Fixed Output DC Regulated Power Supply ± 12VDC/1Amp
• AVI 141 :Fixed Output DC Regulated Power Supply +12VDC/2Amp
• AVI 145 :Power Supply for Electrophoresis Apparatus (0-300VDC/100mA)
• AVI 161 :Power Supply for Diode/Triode Valve Experiments(0-300VDC/30mA)
• AVI 166 :Power Supply for Millikan's Oil Drop Apparatus with One Analog Meter
• AVI 167 :Power Supply for Four Probe Setup (Digital)
• AVI 168 :Power Supply for Hall Effect Setup (Digital)
• AVI 169 :Power Supply for Electromagnet (Constant Current 4Amps (Digital)
• AVI 170 :H.T. AC/DC Power Supply 0-500V/500 mA (Digital)
• AVI 171 :L.T. AC/DC Power Supply 0-25V/10A (Digital)
• AVI 175 :AC Power supply 0 - 30VAC/10Amps (Digital)
• AVI 176 :Power Supply for Kelvin Bridge 0-12VDC/10Amps
• 
  AVI180 Power Supply +12V, -12V, +5V, -5V / 200mA
• AVI 221 :Transformer for Callender & Barne's Experiment 6-30 VAC/ 3A
• AVI 222 :Transformer for Sonometer Electromagnet 8V/3A
• AVI 223 :Sodium Vapour Lamp Transformer (35Watts)
• AVI 224 :Sodium Vapour Lamp Transformer (55Watts)

• AVI 3645A :Programmable DC power supply
• AVI 3710A :Programmable DC Electronic Load

• AVI 202 :AC/DC Power Supply 2-12V/2 Amps in steps of 2 Volts
• AVI 203 :AC/DC Power Supply 2-12V/3 Amps in steps of 2 Volts
• AVI 205 :AC/DC Power Supply 2-12V/5 Amps in steps of 2 Volts
• AVI 210 :AC/DC Power Supply 2-16V/3 Amps in steps of 2 Volts
• AVI 214 :AC/DC Power Supply 2-24V/3 Amps in steps of 2 Volts
• AVI 215 :AC/DC Power Supply 2-24V/5 Amps in steps of 2 Volts

• AVI 352 :Battery Charger 2-12 VDC/2 Amps
• AVI 353 :Battery Charger 2-12 VDC/3 Amps
• AVI 354 :Battery Charger 2-12 VDC/5 Amps

• AVI 362 :Automatic Battery Charger 6-18 VDC/2 Amps
• AVI 363 :Automatic Battery Charger 6-18 VDC/3 Amps

• AVI 402 :Battery Eliminator 2-6 VDC/2 Amps
• AVI 412 :Battery Eliminator 2-12 VDC/2 Amps
• AVI 413 :Battery Eliminator 2-12 VDC/3 Amps
• AVI 415 :Battery Eliminator 2-12 VDC/5 Amps

• AVI 422 :DC Regulated Battery Eliminator 2-12 VDC/2 Amps
• AVI 423 :DC Regulated Battery Eliminator 2-12 VDC/3 Amps

• AVI 203 3 1/2Digit Digital Multimeter (Manual Range)
• AVI 890D 3 1/2Digit Digital Multimeter (Manual Range)
• AVI 97 3 3/4 Digit Digital Multimeter with Frequency Counter of 30 MHz(Auto Range)
• AVI 8215 3 3/4Digital Multimeter (Auto Range)
• AVI 8145 4 1/2 Digital Multimeter Bench Type DT 6234B Tachometer (Photo Type 5~99,999RPM)
• AVI 6236B Tachometer 2 in 1(Contact Type 0.5~19,999RPM & Photo Type 5~99,999RPM)
• AVI 2350B Stroboscope (50~40000FPM) MS 2002A 3 3/4 Digital Clamp Meter (Auto Range)
• AVI 2600 3 /1/2 Digital Open Jaw Electrical Tester
• 200-118 Vernier Caliper (General 0~200x0.02mm)
• 200-646 Vernier Caliper (With Mechanical Meter 0~150x0.02mm)
• 200-647 Vernier Caliper (With Mechanical Meter 0~200x0.02mm)
• 200-196 Vernier Caliper (With Digital Meter 0~150x0.01mm)
• 200-197 Vernier Caliper (With Digital Meter 0~200x0.01mm)
• 200-521 Digital Micrometer (With Digital Meter 0~25x0.001mm)
• AVI 201C Distortion Meter 20Hz~20kHz
• AVI801B DC low ohm meter
• AVI 3C Sweep Signal Analyzer
• 255 Vaccume Tube Volt-Ohmmeter (VTVM)
• AVI 256 3.5 Digit LED Digital Panel Meter
• AVI 256B 3.5 Digit LCD Digital Panel Meter
• AVI 257 Digital AC Millivoltmeter
• AVI258 Digital AC Millivoltmeter With Built in Fixed output Sine Wave Oscillator
• AVI 259 Digital pH Meter
• AVI260 Digital Conductivity Meter
• AVI 261 Digital Gauss Meter
• AVI262 Output Power Meter
• AVI 263 LCR Q Meter (Bridge Type)
• AVI 264 Universal IC Tester
• AVI 265 Digital IC Tester
• AVI 266 Analog IC Tester

• AVI 450D: DC Ammeters (Any Range 0-1,2,5,...10 Amps (Internal shunt)
• AVI 451D: DC Milli Ammeter 0-1,3,5,10,15,25,30,...1000mA (Any One Range)
• AVI 452D: DC Micro Ammeter 0-25 0r 0- 30µA (Any Range)
• AVI 453D: DC Micro Ammeter 0-50µA
• AVI 454D: DC Micro Ammeter 0-100µA
• AVI455D: DC Micro Ammeter 0-250µA or 0- 300µA (Any Range)
• AVI 456D: DC Micro Ammeter 0-500µA
• AVI 457D: DC Voltmeter 0-1,3.5.10,15,30…..600V (Any One Range)
• AVI 458D: Milli Voltmeter DC 0-10mV
• AVI 459D: Milli Voltmeter DC 0-25mV
  AVI460D Milli Voltmeter DC 0-60mV
• AVI 461D: AC Voltmeter (Rectifier Type)0-1,3,5,10…..30V (Any One Range)
• AVI462D: AC Voltmeter (Rectifier Type) 0-50,100,150,....600V (Any One Range)
• AVI 463D: AC Ammeter (Rectifier Type) 0-1,3,5…. 10A (With current transformer) (Any One Range)
• AVI 464D: AC Milli Ammeter (Rectifier Type) 0-1,10, 30,100,300 …..1000mA (Without current transformer) (Any One Range)

• AVI 471D: Galvanometer 30-0-30 Division Sensitivity of 20µA/Division
• AVI472D: Galvalnometer 30-0-30 Division Sensitivity of 2µA/Division
• AVI 473: Ballistic Galvanometer 12-15 Coulom
• AVI 474: Ballistic Galvanometer 8-10 Coulom
• AVI 475: SPOT Reflecting Galvanometer 125 Ohms

• AVI 480: AC Voltmeter Moving Iron 0-15, 30, 60,... 600VAC (Any One Range)
• AVI481 : Dual Range AC Voltmeter Moving Iron 0-15/30, 75/150,… 300/600VAC (Any One Range)
• AVI 482: DC Voltmeter Moving Coil 0-1, 3, 5, … 600VDC (Any One Range)
• AVI483: Dual Range DC Voltmeter Moving Coil 0-5/10, 10/20, 75/150, … 300/600VDC (Any One Range)
• AVI 484: AC Current meter Moving Iron 0-1, 2, 5, … 50A (Any One Range)
• AVI 485: Dual Range AC Currentmeter Moving Iron 0-1/2, 2.5/5, … 15/30A (Any One Range)
• AVI486: DC Currentmeter Moving Coil 0-1, 2, 5, … 50A (Any One Range)
• AVI 487: Dual Range DC Currentmeter Moving Coil 0-1/2, 2.5/5, … 15/30A (Any One Range)
• AVI 488: Single Phase Analog Wattmeter PC: 300V, CC: 10A
• AVI 489: Single Phase Analog Dual Range Wattmeter PC: 75/150V, CC: 5A/10A
• AVI490: Single Phase Digital Wattmeter 100-1000 Watts, PC: 300V, CC: 5Amps
• AVI 491: Three Phase Digital Wattmeter, PC: 400V, 3Phase, 4 Wire with CT, CC: 5Amps

• AVI312: Two Dials of 0.001, 0.01µF or 0.01, 0.1µF or 0.1, 1µF (Select any one range)
• AVI313: Three Dials of 0.001, 0.01, 0.1µF or 0.01, 0.1, 1µF (Select any one range)
• AVI314: Four Dials of 0.001, 0.01, 0.1, 1µF
• AVI315: Paper Condenser in Bakelite/wooden Box Any value from 0.001 to 1µF

• AVI322: Two Dials of 0.1mH, 1mH or 1mH, 10mH or 10mH, 100mH or 100mH, 1H (Select any one range)
• AVI323: Three Dials of 0.1mH, 1mH,10mH or 1mH, 10mH, 100mH or 10mH, 100mH, 1H(Select any range)
• AVI324: Four Dials of 0.1mH, 1mH, 10mH, 100mH or 1mH, 10mH, 100mH, 1H (Select any one range)
• AVI325: Air Core Inductance in Wooden Box Any value from 0.1mH to 1H

• AVI332: Three Dials of 1 Ohms, 10 Ohms, 100 Ohms or 10 Ohms, 100 Ohms, 1000 Ohms (Select any range)
• AVI333: Four Dials of 1 Ohms, 10 Ohms, 100 Ohms, 1000 Ohms or 10 Ohms, 100 Ohms, 1000 Ohms, 10000 Ohms (Select any one range)
• AVI334: Five Dials of 1 Ohms, 10 Ohms, 100 Ohms, 1000 Ohms, 10000 Ohms
• AVI335: Six Dials of 1 Ohms, 10 Ohms, 100 Ohms, 1000 Ohms,10000 Ohms, 100000 Ohms
• AVI336: Metal Film Resistance of 0.5 Watt in Wooden/Bakelite Box(Any value from 1Ohms to 10M Ohms)

• AVI: Oscilloscope Probe 60MHz
• AVI: Oscilloscope Probe 100MHz

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• AVI 521: Diode Valve Characteristics
• AVI 522: Triode Valve Characteristics
• AVI 523: Tetrode/Pentode Valve Characteristics
• AVI 524: Ionization Potential of Mercury
• AVI 525: IGBT Characteristics & Application
• AVI 526: Plank's Constant Apparatus
• AVI 527: Photo Cell Characteristics Apparatus
• AVI 528: Work Function of Diode (Richardson Law)
• AVI 529: Solar Cell Characteristics Apparatus
• AVI 530: Transistor Designer Kit (Discrete Components Trainer)
• AVI 532D: H' Parameter of PNP Transistor
• AVI533D: Transistor Characteristics
• AVI534D: SCR Characteristics Apparatus
• AVI535D: FET Characteristics Apparatus
• AVI536: Microphone and Loudspeaker Characteristics
• AVI537: Tunnel Diode Characteristics
• AVI539D: PN Junction Diode Characteristics
• AVI542D: Voltage Stabilization Characteristics
• AVI542RFD: Zener Diode V-l Characteristics
• AVI543D: PN/ Zener Diode/ LED Characteristics
• AVI544D: Energy Band Gap Apparatus
• AVI545: Energy Band Gap by Four Probe Method
• AVI546D: Thermistor Characteristics
• AVI547BD: UJT Characteristics Apparatus & UJT as Relaxation Oscillator
• AVI548D: Mosfet Characteristics Apparatus
• AVI550: Characteristics & Application of Basic Thyristors (SCR, Diac, Traic, UJT)
• AVI550A: Characteristics & Application of Semiconductors & Thyristors (SCR, Daic, Traic, UJT, Mosfet, FET,
  BJT, Diode & Zener)
• AVI551D: Diac Characteristics Apparatus
• AVI552D: Triac Characteristics Apparatus
• AVI553: Opto Coupler Characteristics Apparatus
• AVI554D: LDR Characteristics Apparatus
• AVI556D: LED Characteristics Apparatus
• AVI557D: Opto Electronic Devices Characteristics (LED, LDR, Photo Transistor & Photo Diode)
• AVI558D: Photodiode Characteristics Apparatus

• AVI590D: Network Theorems (Superposition, Norton's, Thevinin's, Maximum Power Transfer)
• AVI592D: Superposition Theorem
• AVI593D: Norton's Theorem
• AVI594D: Thevinin's Theorem
• AVI594BD: Norton's & Thevinin's Theorem
• AVI595D Maximum Power Transfer Theorem
• AVI596D: Reciprocity Theorem
• AVI597D: Tellegan's Theorem
• AVI598D: Millman's Theorem

• AVI625: Operational Amplifier as Inverting, Non-Inverting, Summing & Difference Amplifier with one Digital Voltmeter
• AVI626: Operational Amplifier as Inverting, Non-Inverting, Unity Gain Amplifier & Frequency Response with Analog Voltmeter
• AVI627: Applications of Operational Amplifiers(Discrete Component Trainer)
• AVI627B: Characteristics of Operational Amplifier (Discrete Component Trainer
• AVI629: Operational Amplifier as Summing, Scaling, Averaging, Window Detector & Zero Crossing Detector
• AVI631: Operational Amplifier as Differentiator & Integrator
• AVI633: Operational Amplifier as Schmitt Trigger
• AVI634: Linear Wave Shaping Circuits (Study of Clipping, Clamping, Integrator, Differentiator)
• AVI638: Operational Amplifier as Voltage Comparator
• AVI639: Operational Amplifier as Differential Amplifier
• AVI640: Operational Amplifier as V-l & I-V Converter
• AVI641: Feedback Amplifier Series & Shunt Voltage
• AVI644: Operational Amplifier as Voltage & Current
• AVI645: Operational Amplifier as Instrumentation Amplifier
• AVI646: Operational Amplifier as Logarithmic Amplifier

• AVI650: Application of IC 555
• AVI656: Bistable Multivibrator using Transistors
• AVI657: Monostable & Free running Multivibrator using Transistors
• AVI659: F-V & V-F Converter using IC 337
• AVI660: Oscillators Circuits (Hartley, Colpitt, Wein Bridge, Relaxation, Clap, Tuned, Crystal and RC Phase Shift Oscillator)
• AVI661: Hartley Oscillator
• AVI662: Colpitt Oscillator
• AVI664: Phase Shift Oscillator
• AVI665: Wein Bridge Oscillator using Operational Amplifier IC 741
• AVI666: Relaxation Oscillator using UJT
• AVI667: Tuned Collector Oscillator
• AVI668: Crystal Oscillator
• AVI669: Voltage Controlled Oscillator using PLL 565

• AVI675: Logic Gates using Six TTL IC's (6 in 1)
• AVI678: RTL Logic Gates (5 in 1)
• AVI679: Basic Logic Gate using Discrete Components (7 in 1)
• AVI690: Digital Logic Trainer (Logic Gates, Booleon Identities a. Demorgan's
  Theorems)
• AVI692: Verification of truth tables of Logic Gates using Universal Gates
• AVI693: Circuit Designer Board
• AVI694: Logic Gate Circuit Trainer
• AVI695: Pulse/ Clock Generator using NAND Gate
• AVI665: Wein Bridge Oscillator using Operational Amplifier IC 741
• AVI699: 4 Bit Adder & Subtractor Circuits using IC 7483
• AVI701: Digital Full Adders & Subtractors using NAND Gates
• AVI702: Flip Flops using NAND Gates & TTL IC's
• AVI712: 4 Bit Counters (Synchronous & Asynchronous)
• AVI716: 4 BitShift Registers
• AVI718: Encoder & Decoder Circuits
• AVI720: 16 to 1 line Multiplexer & 1 to 16 Line Demultiplexer
• AVI720A: 4/8 to 1 line Multiplexer
• AVI720B: 4/8 to 1 line De-multiplexer
• AVI722: RAM CircuitusingIC 7489
• AVI723: Parity Generator/Checker
• AVI731: 4/8 Bit Analog to Digital Converter
• AVI732: 4/8 Bit Digital to Analog Converter
• AVI734: Transfer Characteristics of TTL and TTL Schmit Trigger Inverter
• AVI737: TTL-CMOS, CMOS-TTL Interfacing
• AVI738: Arithmatic/Logic Unit (ALU)
• AVI739C: TTL IC Characteristics Apparatus
• AVI739T: CMOS IC Characteristics Apparatus

• AVI1300:8031 Micro controller Training Kit
• AVI1302:8085 Microprocessor Training Kit
• AVI1303: 8086 Microprocessor Training Kit

• AVI1320: ADC-0809 Interface
• AVI1321: Dual DAC Interface
• AVI1322: Logic Controller Interface
• AVI1323: Elevator Simulator I-Face
• AVI1324: IC Tester Interface
• AVI1325: Display Interface
• AVI1326: Stepper Motor Interface
• AVI1328: Stepper Motor 0.25 kg-cm Torque
• AVI1329: Power Supply for Stepper Motor of 0.25 kg cm Torque
• AVI1330: Keyboard Interface
• AVI1331: LCD Display Interface
• AVI1332: Traffic Light Controller Card
• AVI1333: Temperature Measurement card with Thermocouple
• AVI1334: DC Motor Controller card with Motor & Power Supply
• AVI1335: Relay & OPTO Coupler card
• AVI1336: LED Display Matrix card
• AVI1337: Thumb Wheel Switch Card

• AVI1350: 8212 Memory Decoder card
• AVI1351: 8251 or 8253 Study card
• AVI1352: 8255 PPI Study card
• AVI1353: 8257 DMA Study card
• AVI1354: 8259 PIC Study card
• AVI1355: 8279 Keyboard Display Controller Supply card
• AVI1356: 8155 PPI with timer card
• AVI1358: 6264 RAM Study card
• AVI1359: 373 Latch Study card

• AVI961: T' type Passive Low Pass, High Pass, Band Pass & Band Stop filters
• AVI966: M-Derived 'T' type Passive Low Pass & High Pass Filters
• AVI971: "p" type Passive Low Pass, High Pass, Band Pass & Band Stop filter
• AVI983: Twin-T Active Notch Filter using Operational Amplifier
• AVI984: Active filters using Operational Amplifier
• AVI985: Transient Response of RLC Circuit with built-in Square Wave Oscillator
• AVI986: Cascaded Two Port Network
• AVI987: "T", "p" & "Bridge T" Type Attenuators
• AVI988: RC, Low Pass, High Pass, Band Pass & Band Stop Filters

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• AVI791: Light Intensity control using SCR & Triac
• AVI792: SCR Firing Circuits
• AVI793: SCR Commutation Techniques
• AVI794: Phase control using Triac
• AVI795: Switching Action of a BJT
• AVI795A: Switching Action of a FET
• AVI796: Thyristor Firing Circuit Kit (UJT Controlled SCR Time Delay)
• AVI798: Step up Chopper
• AVI799: SCR Single Phase Half Wave, Full Wave, Fully Controlled Bridge Rectifier / Converter
• AVI800: DC Motor Control using SCR's (with tachometer)
• AVI801: Three Phase Half Controlled Bridge Converter
• AVI802: Three Phase Fully Controlled Converter
• AVI803: Three Phase Induction Motor Speed Controller
• AVI804: Single Phase Cycloconverter
• AVI805: Chopper Motor Controller with Motor
• AVI806: SMPS Trainer Kit
• AVI807: Jone's Chopper
• AVI808: Morgan's Chopper
• AVI809: Series Inverter using SCR's
• AVI810: Parallel Inverter using SCR's
• AVI811: Universal AC/DC Motor Controller
• AVI812: Single Phase Inverter (using power mosfet
• AVI813: Chopper Circuit (using power mosfet with Motor)
• AVI814: DC Drive Trainer
• AVI 815:Single Phase Half Controlled DC Drive

• AVI2200: Anderson Bridge
• AVI2201: Schering Bridge
• AVI2202: Kelvin Bridge (Industrial)
• AVI2203: Kelvin Bridge (Student)
• AVI2204: Maxwell Inductance Bridge
• AVI2205: Weins Bridge (Capacity Measurement)
• AVI2206: Weins Bridge (Frequency Measurement)
• AVI2207: Wheatstone Bridge (Portable)
• AVI2208: Desauty Bridge
• AVI2209: Hay's Bridge
• AVI2210: Carry Foster Slide Wire Bridge
• AVI2211: Kolhrausch Conductivity Bridge
• AVI2212: Religh Bridge
• AVI 2214: Owen's Bridge
• AVI 2215: Platinum Bridge
• AVI 2216: Direct Reading Resistance Bridge
• AVI 2217: Callender & Griffith's Bridge

• AVI 2200A: Decade Capacitance Box with Sine Wave Oscillator & Inductance
• AVI 2200B: Decade Inductance Box with Sine Wave Oscillator & Inductance
• AVI 2200C: Decade Capacitance Box with Multirange Sine Wave Oscillator
• AVI 2218: Conductivity Attachment & Connecting Lead 10Amps (for Kelvin Bridge)
• AVI 2219: Head Phone

• AVI 2220: Potentiometer Single wire with sunmica base & bakelite terminals
• AVI 2221: Potentiometer Double wire with sunmica base & bakelite terminals
• AVI 2222: Potentiometer Four wire with sunmica base & bakelite terminals
• AVI 2223: Potentiometer Six wire with sunmica base & bakelite terminals
• AVI 2224: Potentiometer Ten wire with sunmica base & bakelite terminals
• AVI 2225: Junior Potentiometer
• AVI 2226: Senior Potentiometer
• AVI 2227: Senior Potentiometer(Improved Type)
• AVI 2228: Crompton Potentiometer
• AVI 2229: Slide Wire Precision Potentiometer
• AVI 2230: Vernier Potentiometer

• AVI 2240: 1KVA/230VAC With Tappings at 50% & 86.6%
• AVI 2241: 2KVA/230VAC With Tappings at 50% & 86.6%
• AVI 2242: 3KVA/440 AC

• AVI2321:Loading Rheostat 1 KW Single Phase in 5 Steps of 200 Watt
• AVI2322: Loading Rheostat 2 KW Single Phase in 8 Steps of 250 Watt
• AVI2323:Loading Rheostat 3 KW Three Phase(Each Phase of 1 KW)in 8 Steps
• AVI2328: Resistive Lamp Load 1 KW
• AVI 2329:Capacitive Load 200mfd Single Phase in 20 Steps
• AVI 2330: Inductive Load 5Amp.Single Phase in 20 Steps
• AVI 2335:Current Transformer ( CT 30/5Amp
• AVI2336:Potential Transformer (PT 220/100V)
• AVI 2350:Phase Shifting Arrangement
• AVI 2360:Rheostat 10 ohms/10Amps
• AVI 2362:Rheostat 300 ohms/2Amps
• AVI 2363:Rheostat 100 ohms/5Amps
• AVI2375:Induction Motor 2HP
• AVI 2377:Synchronous Motor 3HP
• AVI 2378:DC Shunt Motor 1HP
• AVI 2379:Loading Arrangement for DC Shunt Motor 1HP
• AVI 2390:Starter DC Motor 1HP (3 Point)
• AVI2391:Starter DC Motor 1HP (4 Point)

• AVI 2400A: Measurement of Power in 3 Phase Circuit by Two & Three Wattmeter Methods
• AVI 2400: Measurement of Power in 3 Phase Circuit by Two Wattmeter Methods
• AVI 2401:Measurement of efficiency of Single Phase Transformer ( Direct Loading )
• AVI 2402: Determination of Parameter & Losses in a Single Phase Transformer by OC & SC Test
• AVI2403:Study of Single Phase Energy Meter
• AVI2404: Earth Resistance by fall of Potential Method
• AVI2405: Calibratin of Wattmetr by DC Potentiometer
• AVI2406: Calibration of Voltmeter & Ammeter by DC Potentiometer
• AVI2407: Single Phase Energy Meter with Phantom Loading
• AVI2408: Starting & Reversing of DC Shunt Motor
• AVI2409: Speed Control of DC Shunt Motor(By Voltage Control Method)
• AVI2410: Sumpner's Test(Back to Back)Test on Single Phase Transformer

• AVI2411: Parallel Operation Single Phase Transformer
  
• AVI2412: Voltage Relation Ship of Three Phase Transformer in Various Connections
  
• AVI 2413: Speed Control of D.C.Shunt Motor (By Armature and Field Current Control Method)
• AVI2415: Load Test of DC Shunt Motor
• AVI2417: Different Type of Contactor Control Circuit
• AVI2418:Angular Displacement Measurement of Synchronous Motor
• AVI 2422: Measurement of Power & Power factor in Single Phase Circuit
• AVI2423: Measurement of Power in 3 Phase Circuit by Ct,PT & 3 Phase Wattmeter
• AVI 2430: To Connect, Start & Reverse the direction of Rotation of a 3 Phase Induction Motor (Complete Setup)
• AVI2431: To Perform the block Rotar Test of 3 Phase Induction Motor (Complete Setup)
• AVI2450: Electrical Machine Trainer (Complete Setup)

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• AVI741: Amplitude Modulation & Demodulation
• AVI742: Frequency Modulation and Demodulation
• AVI743: Pulse Amplitude Modulation & Demodulation
• AVI744: Pulse Width Modulation & Demodulation
• AVI745: Pulse Position Modulation & Demodulation
• AVI746: PAM/PPM/PWM Modulation & Demodulation
• AVI747: Phase Modulation and Demodulation
• AVI749: Amplitude Shift Keying Modulation & Demodulation
• AVI750: Phase Shift Keying Modulation & Demodulation
• AVI751: Pulse Code Modulation and Demodulation
• AVI752: Delta Modulation and Demodulation
• AVI752A: Adaptive Delta Modulation and Demodulation
• AVI754: Single Side Band Modulation & Demodulation
• AVI756: Sample & Hold Circuit using Op-Amp
• AVI758: Balanced Modulator/DSB-SC (DSB-SC Amplitude Modulation and Demodulation)
• AVI761: Frequency Division Multiplexer & Demultiplexer

• AVI770: Frequency Modulation & Demodulation
• AVI771: Delta, Adaptive Delta and Delta Sigma Modulation & Demodulation
• AVI772: TDM Pulse Code Modulation Transmitter
• AVI773: TDM Pulse Code Modulation Receiver
• AVI774: Data Formatting and Carrier Modulation Transmitter
• AVI775: Data Formatting and Carrier Demodulation Receiver
• AVI776: Analog Signal Sampling & Reconstruction
• AVI777: TDM Pulse Amplitude Modulation & Demodulation
• AVI780: 8 Bit Variable Data Generator for Model (AVI 774 & AVI 775)
• AVI781: DSB/SSB AM Transmitter
• AVI782: DSB/SSB AM Receiver
• AVI785: Transmission Line Trainer

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• AVI1050: Instrumentation Trainer Using Transducers
• AVI1051: Strain Gauge Trainer Kit (with Cantilever Beam)
• AVI1052: LVDT Trainer Kit
• AVI1053: RTD Trainer Kit
• AVI1054: Thermocouple Trainer Kit
• AVI1056: Speed Measurement Module using Photo Electric & Magnetic Sensor
• AVI1056A: Speed Measurement Module using Photo
  Electric Sensor
• AVI1056B: Speed Measurement Module using Magnetic
  Sensor
• AVI1057: Inductive Pick Up
• AVI1058: Capacitive Pick Up
• AVI1059: Piezo Electric Transducer
• AVI1060: Hall Effect Sensor
• AVI1061: Pressure Measurement using Strain Gauge
• AVI1062: Load Cell Trainer Kit
• AVI1063: Temperature Sensors Kit
• AVI1064: Study of Linear Potentiometer for Displacement Measurement

• AVI1100: PID Simulator
• AVI1101: PID Controller Kit (Model Process)
• AVI1102: PID Controller Kit (Microprocessor Based)
• AVI1103: ON/OFF Temperature Controller (Indicator cum Controller)
• AVI1104: AC Servo Speed Torque Characteristics Trainer
• AVI1105: DC Servo Motor Speed Torque Characteristics Trainer
• AVI1106: AC Position Control System Trainer
• AVI1107: Analog Signal Sampling & Reconstruction
• AVI1108: AC Servo Voltage Stabilizer as Servo mechanism
• AVI1109: Stepper Motor Controller Trainer
• AVI1110: DC Motor Speed Control Demonstration / Trainer
• AVI1111: Study of AC & DC Servo Amplifiers
• AVI1112: Potentiometer as Error Detector
• AVI1113: Synchro Transmitter Receiver Pair
• AVI1114: Study of Compensation Network
• AVI1115: Magnetic Amplifier
• AVI1115A: Magnetic Amplifier(Series & Parallel Connection of Magnetic Amplifier)
• AVI1115B: Magnetic Amplifier(Positive & Negative Feed Back)
• AVI1116: DC Voltage Regulator as a Closed Loop System
• AVI1119: Educational Analog Computer
• AVI1120: Board Model for Actuating Element
• AVI1121: Control Engineering Tutor
• AVI1122: Light Intensity Control
• AVI1123: Digital Control System
• AVI1125: PLC Trainer Demonstration Unit
• AVI1125A: Simple Resistance Welding
• AVI1125B: Repeat Resistance Welding
• AVI1125C: Simple (Event) Counter
• AVI1125D: Star - Delta Starter >AVI1125E: Pick and Place Application
• AVI1125F: Annunciator
• AVI1126: Linear System Simulator
• AVI1127: Study of First & Second Order Control System Trainer

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• AVI6000: Experiments of Reflex Klystron
• AVI 6010: Experiments on Gunn Diode
• AVI 6020: Experiments to measure the Polar Pattern & gain characteristics of the antenna
• AVI 6030: Experiment to measure dielectric constant of Solids & Liquid and to measure Phase Shift & of a cavity
• AVI6040: Study of Microwave components (Magic T, Directional Coupler, Isolator, Circulator)

• AVI 6000KP: Klystron power supply ( Square & Saw Wave Digital readout )
• AVI 6000GP: Gunn power supply ( Digital )
• AVI 6000VS: VSWR Meter Solid State
• AVI 6101 : BNC Cable
• AVI 6102: Circulator
• AVI 6103: Circular to Rectangular wave guide transition
• AVI 6104: Coaxial to W/G Adopter
• AVI 6105: Conical antenna
• AVI 6106: Cooling fan
• AVI 6107: Cross directional coupler
• AVI 6108: Detector – IN-23
  
• AVI 6109 Detector mount with detector
• AVI 6110: Dielectric antenna
• AVI 6111: E H Tuner
• AVI 6112: E H Tuner precision with micrometer
• AVI 6113: E Plane bend
  
• AVI 6114 E Plane tee
• AVI 6115: Fixed attenuator ( 3,6,10 db ) Any One
• AVI 6116: Frequency meter ( Direct reading )
• AVI 6117: Frequency meter ( Micrometer type )
• AVI 6118: Gunn oscillator
• AVI 6119: H Plane bend
• AVI 6120: H Plane tee
  
• AVI 6121 Isolator
• AVI 6122: Klystron mount
• AVI 6123: Klystron tube
• AVI 6124 : Liquid Dielectric Cell
• AVI 6125: M H D Coupler ( 3,10,20 db) Any One
• AVI 6126:Magic tee
• AVI 6127: Matched termination
• AVI 6128:Microwave Cavity
• AVI 6129: Movable short

• AVI 6130: Movable short precision with micrometer
• AVI 6131: Parabolic disc (with dipole feed)
• AVI 6132: Phase shifter
• AVI 6133: Pick up horn
  
• AVI 6134 Pin Modulator
• AVI 6135: Pyramidal horn ( Gain 16 db )
• AVI 6136: Pyramidal horn ( Gain 22 db )
• AVI 6137: Radiation pattern turn table
• AVI 6138: Sectoral horn – E plane
• AVI 6139: Sectoral horn – H plane
• AVI 6140: Dielectric Samples (Solid)
• AVI 6141: Slide Screw Tuner
• AVI 6142: Slide screw tuner precision with micrometer
• AVI 6143: Sliding termination precision
• AVI 6144: Slot antenna – Narrow wall
• AVI 6145: Slot antenna- Broad wall
• AVI 6146: Slotted section with probe carriage
• AVI 6147: Solid Dielectric Cell
• AVI 6148: Stand
  
• AVI 6149 Tripod stand
• AVI 6150: Tunable probe
• AVI 6151: Variable attenuator
  
• AVI 6152 Wave guide twist
• AVI 6153: Fixed short
• AVI 6154: Wave guide bend 90 Degree
• AVI 6155: Wave guide cavity
• AVI 6160: Smith Charts (Set of 100 Sheets)
• AVI 6170: N-N Coaxial cable

• AVI 6000 : Microwave Power Meters 8.2 GHz ~ 12.4 GHz
• AVI 6000A : Microwave Power Meters 10MHz ~ 18GHz

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• AVI 821: Measurement of High Resistance using Substitution Method
• AVI 822: Lissajous Figure Apparatus
• AVI 823: Stefan Constant Apparatus
• AVI 824: Dielectric Constant Apparatus (Solid & Liquid)
• AVI 825: Hall Effect Experiment
• AVI 826: Fourier Analysis Kit
• AVI 827: MeasureAVInt of Susceptibility of Paramagnetic Solution by Quinck's Tube Method
• AVI 828: Heat Efficiency of an Electric Kattel
• AVI 829: Choke Charateristics Apparatus
• AVI 830: Inductance Measurement (using Impedance at Different Frequencies)
• AVI 831: Determine the Height of Tower with the Help of Sextant
• AVI 840: GM Counter Experimental Setup
• AVI 850: Determine The Ballistic Constant of a Ballistic Galvanometer
• AVI 851: Determine The ECE of Copper using Tangent Galvanometer
• AVI 852: Determine the Wavelength of Sodium Light by Fresnel s Bi prism Kit
• AVI 853: Determine the Focal Length of Two Lenses by Nodal Slide and Locate the Position of Cardinal Points
• AVI 854: Determine the Specific Rotation of the Cane Sugar Solution with the Help of Polarimeter
• AVI 855: Determine the Wavelength of Spectral Lines using Plane Transmission Grating
• AVI 856: Determine the Viscosity of a Liquid by Stoke’s Method
• AVI 857: Determine the Frequency of AC Mains by Electrical Vibrator
• AVI 858: Determine the Wave Length of Sodium Lamp by Newton Ring Method
• AVI 859: Determine Magnetic Field using Stewart and Gee’s Apparatus
• AVI 860: To Determine the Velocity of Ultrasonic Waves by using a Crystal
• AVI 861: Laser Experimental Setup With Diode Laser

• AVI 861: Laser Experimental Setup with Diode Laser
• AVI 861H: Laser Experimental Setup with He-Ne Laser
• AVI 861L: He-Ne Laser with Power Supply
• AVI 862: High Resistance by Leakage Method
• AVI 863: Thermoelectric e.m.f. with temperature for a copper iron thermocouple, by means of a potentiometer
• AVI 864: Calibration of Voltmeter using Potentiometer
• AVI 865: Determine Young's modulus's, modulus of rigidity and poisson s ratio of the material of a given wire by Searle' s dynamical method
• AVI 866: Determine the Frequency of a Tunning Fork with the help of Sonometer
• AVI 867: Determine the Frequency of A.C. mains by means of a Sonometer
• AVI 868:Determine the Dispersive Power of theMaterial of thePrism for Violet 8 Yellow Colors of Mercury Light with the Help of Spectrometer
• AVI 869: Determine the Resolving Power of Telescope
• AVI 870:Determine the Wave Length of SodiumLamp by Michelson Interferometer
• AVI 871:Determine the Refractive Index of Liquid using Diode Laser
• AVI 872L:Determine the Malus Law using Diode Laser ME 873 Determine Ihe Brewster Angle using Diode Laser
• AVI 891:Sodium Vapour Lamp 35 Watt fitted in Box
  with Transformer
• AVI 892: Sodium Vapour Lamp 55 Watt fitted in Box with Transformer
• AVI 893: Mercury Vapour Lamp 80 Watt fitted in Box with Choke

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• AVI1200: Black & White Television Demonstrator (with 14" CRT)
• AVI1201: Color Television Demonstrator (with 20"CRT)
• AVI1201A: Color Television Demonstrator (with 14"CRT)
• AVI 1202: Video Compact Disc Player Demonstrator
• AVI 1203:DVD Pager Demonstration
• AVI 1205 Stereo Tape Recorder Trainer
• AVI 1206: Analog Multimeter Trainer
• AVI1207: Digital Multimeter Trainer
• AVI1208: Analog Fiber Optic Voice Transmission
• AVI1209: Demonstrator Generator
• AVI1210: Function Generator Demonstrator
• AVI1211: FM Radio Receiver Demonstrator
• AVI1212: Telephone Trainer
• AVI1213: AM Radio Receiver Demonstrator (Two Band)
• AVI1214: UPS Trainer
• AVI1215: Video Cassette Recorder Demonstrator
• AVI1216: Camcorder Demonstrator
• AVI1220: ECG cum Heart Beat Monitor Trainer
• AVI1250: Pattern Generator (For TV)

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