Tender For supply of digital insulation tester with (1) voltage variable up to 1 kv (that is 50v, 100v, 250v, 500v a nd 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 measure ment up 600v, ac/dc. (9) live circuit detection: >25v with following accessories: - (a) test lead of 1 m len gth with crocodile clip-2 nos. (b). external mains adapter (230v ac/9v dc, 500ma (4.5va) isolated). (c) fus e 500ma/440v, 10ka. make-rishab, motwane, megger, fluke or similar. [ warranty period: 30 months aft er the date of delivery ]
Tender For supply of duly isi marked galvanised mild steel tubes electrical resistances welded (erw)/high fr equency induction welded (hfiw) / hot finished welded (hfw) confirming to is:1239 (part-i)/1990 (fift h revision) with amdt. no.1 to 5. screwed at both ends as per is:554/1985, socketed at one end and o ther end protected with plastic thread protector. the socket confirming to is:1239 (part-ii) / 1992 (fou rth revision) with amdt. no. 1 in random length of 4 to 7 mtrs. nominal bore 50 mm. quality medium c lass. [ warranty period: 30 months after the date of delivery ]