Government Polytechnic College Tender

Wattmeter Portable Electrodynamometer type Single Phase, 5/10A, 150/300/600V

Wattmeter Portable Electrodynamometer type Single Phase, 10/20A,150/300/600V

Wattmeter Portable Electrodynamometer type Single Phase, 15/30A,150/300/600V

Power Factor Meter Portable Electrodynamometer type Single Phase, 1/2A, 75/150/300V

Power Factor Meter Portable Electrodynamometer type Single Phase, 5/10A, 150/300/600V

Digital Laboratory Trainer Breadboard- solder-less large size, spring loaded breadboard consisting of two Terminal Strips with 1280 tie points and 4 Distribution Strips with 100 tie points each Regulated DC Power Supply - +5V at 1Amp, -5V at 500 mA, 3 to +15V at 500mA, and -3 to -15V at 500 mA Pulse Generator : 1 Hz to 1 MHz in 6 Steps. Variable in between steps - Amplitude : 3-15V (CMOS), 5V (TTL) - Duty Cycle : 50% TTL/ CMOS Output Pulsar Switches : 2 independent buffered bounce free manual pulser (useful for freezing the action of each stage of the counter after every clock pulse) Data Switches : 12 Nos. independent buffered logic level inputs to select High / Low TTL levels, each with a bi-color LED to indicate high / low status and termination. Logic Indicators : 12 Nos. independent buffered logic level indicators for High / Low status indication with bi-color LED for digital outputs Seven Segment Display : 2 Nos. BCD to Seven Segment Decoder / Driver IC with terminals Logic Probe : Logic level indicator for TTL/ CMOS Power : 230 V ± 10%, 50 Hz To be Provided : ICs-4001/1, 4049/1,4069/1, .7400/1, 7402/1, 7404/1, 7406/1, 7408/2, 7410/2, 7411/3, 7420/2,7432/3, 7474/2,7476/2,7486/1.Resistors-330E/1,1K/2, 1K8/1,,15K/1, 47K/1.1M/2, Capacitors- 0.01mF/1, 0.1mF/1, 0.22 mF/1,Crystal-32.768MHz/1. Main cords, Operating and Experimental manual, Red & Black patch cords with Pin 10 each, Red & Black patch cord (Pin to Pin) 10 each. Wire 24/25 SWG. 1Meter each, 5 Colour Instruction Detailed operating manual along with instructional details. Experiment to be conducted 01. To verify Logic gates operation 02. To verify De-morgan’s theorem with boolean logic equations 03. To perform Binary to Gray code conversion 04. To perform Gray code to Binary conversion 05. Performance of Binary Adder and Subtractor 06. Performance of Johnson Counter 07. Performance of of Flip-Flops RS, JK, D&T 08. Performance of Multiplexer and Demultiplexer 09. Performance of 4 Bit Binary up and down counter 10. Performance of Shift Register (SIPO)

Analog Lab Trainer Bread Board: solder-less large size, spring loaded breadboard consisting of two Terminal Strips with 1280 tie points and 4 Distribution Strips with 100 tie points each, totaling to 1680 tie points. Regulated DC Power Supply : +5V at 1Amp, -5V at 1Amp, +12V/0 to 20V at 500mA, and -12 V/0 to -20V at 500 mA AC Supply : 5-0-5V, 10-0-10V at 100mA. Can be used as 5V,10V,15V,20V and also as center tap Function Generator : Sine / Square / Triangular waveforms frequency 1 Hz to 110 KHz in 5 Steps. Variable in between steps. Sine / Square / Triangular waveform output 50mV ~10Vpp variable Modulation Generator : Sine / Square / Triangular wave forms frequency 1 Hz to 110 KHz in 5 Steps. Variable in between (100 KHz ) steps. Sine / Square / Triangular waveform output 50mV ~ 10Vpp variable with 100 KHz Modulation Digital Meter (3½Digit) : Dual range DC voltmeter 0-20 V /Ammeter 0-200mA Continuity Tester : For testing the continuity. Provided with Beeper Sound Potentiometers : 3 Potentiometers (1K, 100K and 100K) with terminals On Board Switches : 2 Switches Single pole double through Power : 230 V ± 10%, 50 Hz Accessories / Components / Manual to be Provided : Resistance ± 5% 1W 100E/1, ½ W 47E/2,100E/1, 220E/1, 390E/1,1K/1,¼W 100E/1, 220E/2, 270E/1, 330E/, 1K/3, 2K2/2, 3K3/1, 4K7/2, 5K1/1, 5K6/1, 10K/2, 12K/1, 15K/2, 47K/2, 68K/1, 100K/4, 180K/2, 220K/1 Capacitor 0.1uF/1, 0.22uF/3, 10uF/25V/3, 22uF/25V/2, 47uF/25V/2, 100uF/25V/1, Diode 1N 4007/4, LED 5mm Red/1, Zener Diode 5V6/400mW/1, Transistor SL 100/1, SK 100/1, BC 107/2, BC 177/2,IC 741/2 Mains cord, Operating and Experimental manual, Red & Black patch cords (2mm with Pin) 10 each, Red & Black patch cord (Pin to Pin) 10 each & Component Set Detailed operating manual along with instructional details. Experiment to be conducted: 1. To verify working of Half wave rectifier 2 To verify working of Full wave rectifier 3. To verify working of Zener Diode as a voltage regulator 4. To verify working of configuration of NPNtransistor 5. To verify working of CB configuration of NPN transistor 6. To verify working of CE amplifier 7. To verify working of Two Stage R.C. Coupled Transistor 8. To verify working of Inverting Amplifier 9. To verify working of Non-inverting Amplifier

Power Electronics Lab Trainer DC Power Supply on Board : ± 5V at 100mA, ± 12V at 150mA, ± 15V at 50mA, ± 35V at 50mA AC Power Supply on Board : 18V - 0V - 18V at 50mA, 15V - 0V - 15V at 50mA Triggering Circuit on Board : 5 gate signal output Frequency range : 40Hz to 900Hz Variable Single Phase Rectifier : Firing angle control 0°-180° variables Firing Circuit on Board : Four gate signal output with isolation SCR Assembly ,Power Devices Circuit Components On Board : Capacitor ,Diode ,Zener Diode , Inductors 10mH, Load Resistance Potentio Meter Pulse Transformer ,Toggle Switch : SPST (1Nos.) Power Requirements : 220V ±10%, 50Hz Experiments to be conducted: 01. To verify the characteristics of SCR and plot its V-I Characteristics 02. To verify the characteristics of UJT 03. To verify the V-I characteristics of DIAC & TRIAC. 04. To verify the characteristics of DIAC and plot its V-I Characteristics Curve 05. To verify class B commutation circuit 06. To verify of class C commutation circuit. 07. To verify triggering of SCR using UJT. 08. To verify the half-wave-controlled rectifier with resistive load and RL load. 09. To verify the fully controlled bridge rectifier with resistive load and RL load.

Dv/Dt characteristics of SCR Trainer Board The board consists of following built-in parts: 01. 300V D.C. at 250 mA, Power Supply internally connected. 02. Thyristor switch for applying sudden voltage on the SCR under experiment. 03. The SCR under experiment. 04. Resistance for gate-cathode termination. 05. Silicon diode. 06. Transistorized snubber circuit. 07. Two schemes for R-C snubber circuits. 08. Visual indication to indicate SCR firing. 09. Adequate no. of other Electronic Components. 10. Mains ON/OFF switch, Fuse and Jewel light. * The unit should be operative on 230V ±10% at 50HzA.C. Mains. * Adequate no. of patch cords stackable 4 mm spring loaded plug length ½ metre. * Good Quality, reliable terminal/sockets may be provided at appropriate places on panel for connections/ observation of waveforms. *. Detailed operating manual along with instructional details To perform the following experiments : 01. Test dv/dt estimation of the SCR. 02. To improve Dv/Dt capability by snubber circuit. 03. Effect of R.C. Snubber circuit on Dv/Dt capability.

Voltage & Current Relation in Star and Delta Connected systems Trainer The board consists of the following built-in parts: 01 Moving Iron AC portable Voltmeter / : Housed in bakelite case with knife edge pointer & anti parallax mirror scale of Ammeter 140mm length, spring controlled movement, having accuracy class 1.0. 1.1 Three moving iron AC Voltmeter 0 – 300 V. 1.2 Three moving iron AC Voltmeter 0 – 500 V. 1.3 Six moving iron AC Ammeter 0 – 10 Amp. 02 MCB 16 AMP 4 pole with stand, Male and Female 3 phase connector with four wire lead and phase indication lamp. 03 Four fixed balanced resistances 50-70, 100-140, 150-210& 200-280 ohms for each phase load. 04 The unit is operative on three phase 415 V ±10% at 50Hz AC Mains. 05 Adequate no. of connecting wires. 06 Good Quality, reliable terminal/sockets are provided at appropriate places on panel for connections/ observation of waveforms. 07 Detailed operating manual along with instructional details.

PLC Automation kit 1. DVP14SS211R 2. PMT-24V50W2BAE 3. Industrial Switches – 3 nos 4. Indicator Lamp – 3 nos. 5. Panel Board & din rail 6. Buzzer – 1nos. 7. Wago Connectors, wires, lugs, etc.

Current Transformer & Potential transformer Trainer Board The board consist of following built in parts : 01. Current Transformer (CT) ratio 1 : 10. 02. Potential Transformer (PT) ratio 10 : 1. 03. Two digitalAC voltmeter 3½ digit seven segment display. To read 1000V ac and 200V ac. 04. Two digitalAC ammeter 3½ digit seven segment display. To read amp. ac and 200mAac. 05. Digital low power factor watt meter single phase single eliment two wire normal input 230 V ( 0 - 120% ) of normal input current ( 0 - 0.5 Amp ) ( 0 - 125% ) 06. Actual load 300Watt (Three 100 Watt Bulbs and Three switches) 07. The unit operate 230V ±10% at 50 HzAC Mains. 08. Mains ON/OFF Switch and Fuse 2Amp. * Supplu-230 ±10% at 50 HzAC Mains. * patch cords stackable 4mm spring loaded plug length 1/2 metre to be provided. * Good Quality, reliable terminal/sockets should be provided at appropriate places on panel for connections/ observation of waveforms. * Detailed operating manual along with instructional details. To Study an instrument transformers. 1. To test Current Transformer (C.T.) 2. To test Potential Transformer (P.T.) 3. To measure of current, voltage through (C.T.&P.T)in electrical circuits.

Home Automation Electrical Wiring Trainer The training system consists of various electrical components used in home automation and wiring technology. Provision to interconnect individual component with safe terminals on facia. Consists variety of Electrical Safety protection devices and up to moderate Video Door Phone and Interphone devices. Technical Specification: (1) Two pole incoming mains switch socket with fuse protection and self illumination : 230VAC @ 6A (2) Short circuit Protector : 230VAC @ 6A (3) Earth leakage circuit breaker : 230VAC @ 100Ma earth fault / leakage current (4) Watt Hour Meter : Digital display of V, I, COS Ô, KWHa&KWHr (5) Distribution module : L, N, E safety Terminals (6) Expansion Module : Provision to multiply the connection point (7) Mains outlet module : 230VAC @ 5A & 16A 2 pin socket - 1 no, 3 pin mains sockets - 2 nos. & 3 pin power sockets -2 nos. (8) House wiring : Rocker switch 4 nos. , 2way switch : 2 nos. (9) Lamps and sockets : 15,40,60,100 Watts with 4 sockets, 1Ft Fluorescent Tubes : 1 no. (10) Relay Module: Time delay Relay : programmable time delay 30/60Sec on delay 230Vac (11) Electric Heater: 1KW immersion coil, Induction/ Electric Pan: 1KW, Temp 250oc (12) Step down transformer : 15VAC @ 1A (13) Push buttons & Latching Switch : Push to on and Push to off (14) 6 way Selector switch: 230VAC @ 5A (15) Eye day light module : LDR/ Infra red day light switch with sensor, Sensitivity adjustment, LED annunciation & 1c/o Relay (16) Fire, Smoke sensing module : Temp and smoke sensing with LED annunciation, Fire acknowledge and reset, 1contact (17) Gas leak sensing module : Gas sensing with sensor, Sensitivity adjustment, LED annunciation & 1c/o Relay (18) Home door video : LCD color video door phone, hands free & door bell module (19) Interphone Module : 1 x 4 Intercom with RJ connectors on plug sockets, Pulse & Tone dialing, Cross point space division technology, 64KEEPROM, loop resistance : Extension- 600W, Co-line 1200W, Cross talk attenuation 70dBm (20) Buzzer : 1 No.

Solar Technology Trainer ¨ SCR actuator cum sensor signal conditioning panel -Supports signal conditioning circuit for temperature to give output 2-2.5Vdc -To control the temperature by controlling IR lamp by P/PI controller & signal conditioning of sensor ¨ Instrumentation power cum multichannel DPM panel +12V,-12V,@500mA,&+5V@300mA Multi channel DPM for temperature display. • 20 pin FRC power bus to supply power to neighboring panel. Solar cell experiment panel • 50 X 50 mm X 2nos ,solar cells • Loading pots (500E and 5K). • Series parallel combination arrangement. • PT 100 sensor to measure temperature. • Cooling Fan to cool heatsink. Spectral Response & carrier Lifetime Measurement panel .11 different wavelength LED`s @ constant 20/30mA current to detemine spectral response parameter. • 50 X 50 mm X 2nos. Solar cells. • White led bank of 8 LED`s to determine carrier life time parameter. • IP 12 W switch to select different wave length LEDs ¨ Solar application panel 12V LED lamp and fan. ¨ Dimmer panel Dimmers 3 nos. to set intensity of halogen lamp --DMM panel -DC Voltmeter (0-100V) - DC Ammeter (0-5A) MPPT Battery Charge panel ¨ Solar water pump panel ¨ Stand alone Invertor panel Table top aluminum profile rack consisting of 20W X 2 photo-voltaic (PV) modules mounted on tiltable lockable aluminum frame. (PV module dimensions 500 X 400 X 35 mm) • 500W Halogen lamp 2 nos to simulator sun in laboratory. • Solar cell experiment panel to study solar characteristics • Rheostate as load for SPV modules (800E,2.5A) • Experiments to be conducted 1. To Verify of l-V characteristic of Solar cell. 2. . To Verify l-V characteristic of Solar PV module. 3. To perform parallel combination of solar cells. 4. To perform series parallel combination of solar PV modules. 5. To Verify solar cell l-V characteristics on light intensity (irradiation). 6. To plot relation of solar cell l-V characteristics v/s temperature. 7. Measurement of Carrier Lifetime for a solar cell. 8. Measurement of Spectral Response for a solar cell. 9. To plot variation of solar module power output with the the angle fo incidence (tilt angle) of the light. 10. To Verify shading effect on solar cell parameters. 11. To Verify photovoltaic effect in ubiquitous semiconductor PN junction (diode)

Level Measurement Trainer Transducer /Sensor - Capacitive Level Transducer. - Level Measurement up to 150mm is Possible Measurement Options - On-board Digital Panel Meter provided - Output available on 2mm Banana sockets for Monitoring - Scale for level measurement Onboard Features - Onboard Instrumentation Amplifier provided - Block Description Screen printed on glassy epoxy PCB - 1feet Scale is provided for level measurement - Plastic container with outlet Tap is provided for Water Storage - Facility to Interface with PC (Optional) - Facility to Interface with 8085/86/51 kit (Optional) Interconnections -All interconnections are made using 2mm banana Patch cords. Test points are provided to analyze signals at various points. All ICS are mounted on IC Sockets. Bare board Tested Glass Epoxy SMOBC PCB is used. In-Built Power Supply of +5V/1.5A, ±12V/250mAwith Power ON indication Enclosures: Set of 2mm Patch cords for interconnections & User’s Manual with sample experimental Programs

Speed Measurement Trainer Transducer /Sensor - Magnetic Pick-up Transducer is used. - Photo Pick up Transducer is also used Measurement Options - On-board Digital Panel Meter provided - Output available on 2mm Banana sockets for Monitoring Onboard Features - Onboard Instrumentation Amplifier provided - Block Description Screen printed on glassy epoxy PCB - 6V DC Motor with necessary attachment for measurement is provided Interconnections -All interconnections are made using 2mm banana Patch cords. Test points are provided to analyze signals at various points. All ICS are mounted on IC Sockets. Bare board Tested Glass Epoxy SMOBC PCB is used. In-Built Power Supply of +5V/1.5A, ±12V/250mAwith Power ON indication Enclosure: Set of 2mm Patch cords for interconnections User’s Manual with sample experimental programs