Government Polytechnic College

Government Polytechnic College has published Tender for Purchase Of Lab Equipments(Asper Specification) , Purchase Of Lab Equipments(For Technical Specifications And Quantity Details Please Refer Nit) , Dual Output Regulated Dc Variable Power Supply • Input Voltage: 230V/50 Hz Ac. • Output Voltage: (0-30)V Dc. • Output Current: (0-2)A Dc. • Protection Circuit: Over Voltage, Over Current, And Short-Circuit Protection. • High Efficiency: Greater Than 85%. • Low Ripple And Noise: Less Than 50 Mv. • Digital Display , Decade Resistance Box Range: 1 Ω To 10 Mω. • Rotary Switch Selection With 6 Dials. • Steps: 1 Ω, 10 Ω, 100 Ω, 1 Kω, 10 Kω, 1 Mω. • Accuracy: ±1% , Decade Capacitance Box Range: 100 providing fixing To 100 Μf • Rotary Switch Selection With 6 Dials. • Maximum Voltage: 350 V. • Accuracy: ±1% , Decade Inductance Box • Range: 10 Μh To 10 H. • Rotary Switch Selection With 6 Dials. • Low-Loss Inductors. • Accuracy: ±1%. , Dc Ammeter Dc Ammeter Analog - Moving Coil - (0-10)Ma, Class 1.0 (±1 % Full-Scale) Accuracy , Ask Modulation And Demodulation Kit • Message Signal1: 8-Bit Variable Data,Amplitude 5V. • Message Signal 2: Debounced Data, Amplitude Low (0) And High (5 V). • Message Signal 3: Fixed Data 25 Khz, 12.5 Khz, 6.25 Khz, 3.12 Khz, Amplitude 5 V. • Carrier Signal: Sine Wave, Frequency 200 Khz, Amplitude 5 V. • Modulator Type: Switching Modulator Using Analog Switch / Transistor Switching Ic. • Demodulator: Envelope Detector And Lpf. • Comparator: Lm311 Based. • Supply Voltage (Board): +12 V, +5 V Dc. • Supply Current: 100 Ma Minimum. • Input Voltage: 230 V Ac, 50 Hz. • Interface Connectors: 2 Mm Banana Socket. Last date of submission for this tender is 2026-09-15. This is a Laboratory Equipment tender in Salem, Tamil Nadu