supply of digital insulation tester , digital insulation tester with 1) voltage variable up to 1 kv (that is 50v, 100v, 250v, 500v an d 1000v), 2) insulation measuring range 0.01 m ohm to 2 g ohm 3) accuracy: +/- 5% 4)resolution : 0.01 m ega ohm. 5) maximum operating temperature : 60 degree celsius 6) operating humidity (rh) - 90% at 40 degree centigrade 7) low resistances measurement: 0.01ohm to 99.9ohms 8) voltage measurement up 6 00v, ac/dc 9) live circuit detection : >25v with following accessories a)test leads of 1 m length with croc odile clip-2 nos. b). external mains adapter (230v ac/9v dc, 500ma (4.5va) isolated). c).fuse 500ma/440v 10ka and similar to rishab model.no. insu 20. makes: rishab, motwane, megger (or) fluke. note: to be pro cured from oem/authorized dealers with tender specific authorization certificate [ warranty period: 30 months after the date of delivery ] ]