Tender For supply of digital insulation tester with (1) voltage variable up to 1 kv (that is 50v, 100v, 250v, 500v and 1000v), (2) insulation measuring range 0.01 m ohm to 2 g ohm. (3) accuracy: +/- 5%. (4) resolution: 0.01 mega ohm. (5) maximum operating temperature: 60 degrees celsius. (6) operating humidity (rh) - 90% at 40degree centigrade. (7) low resistances measurement: 0.01ohm to 99.9ohms. (8) voltage measurement up 600v, ac/dc. (9) live circuit detection: >25v with following accessories: - (a) test lead of 1 m length with crocodile clip-2 nos. (b). external mains adapter (230v ac/9v dc, 500ma (4.5va) isolated). (c) fuse 500ma/440v, 10ka. make-rishab, motwane, megger, fluke or similar.
Tender For supply of lab equipments for ece department - list of equipment items, sample and hold kit specification1) carrier signal generator - clock pulse 1khz to 10khz variable2)sampling signal - sine (1hz - 1khz)3)mosfet based & ic based circuit4)power supply inbuilt ( 15v/500ma, 5v/500ma)5)patch cards6)input ac 230v, 50 hz, moving coil microphone characteristics trainer kit specification1)sine wave signal generator 100hz to 1khz.2)moving coil micro phone 360 unidirectional signal response output3)8 ohms loud speaker 4)patch cards5)input ac 230v, 50 hz, dynamic cone loudspeaker characteristics trainer kitspecification1)sine wave signal generator 100hz to 1khz.2)dynamic cone loudspeaker 360 unidirectional signal response output3)microphone 4)patch cards5)input ac 230v, 50 hz, schering bridge kit - ac bridgespecification1)measuring range (unknown capacitance range in a)capacitance in f any five value b)capacitance in mf any five value & c)unknown resistance any five values)2)sensitivity +0.1mf3)tolerance 5%4)source 1 khz sine wave5)multirange resistances in bridge circuits 6) patch cards , maxwells bridge kit - ac bridgespecification1)for measuring very small values of inductance2)on board null detection circuit with differential amplifier3)ac to dc convertor 4)dpm : 200mv5)mains supply : 230 v 10%, 50 hz6)dc power supply : +12v, -12v 7)multirange resistances in bridge circuits 8) patch cards 9)a 1 khz sine wave generator is provided with amplitude variation facility(i.fixed frequency : 1khz 5% ii.amplitude control range : upto 20vpp iii.unknown inductors : any five values in both h & mh iv.dpm : 200mv v.unknown internal resistance : 470w any five values)
Tender For supply of high precision resistances , pcb mountable electromagnetic reed relay , femto-ampere input bias current electrometer amplifier ic , stepper motor driver evaluation board