Tender For supply of analog hand driven clutch generator type insulation tester, having anti-parallax mirror scale, foldable handl e & metallic flap over the glass window and chuck nut locking arrangement to prevent anti clock wise rotation. also having gear combination of derlin technique. confirming to is: 2992. supplied along with test lead & mfr's test certificate. rated v oltage: 250 v rated resistance: 0-100 mega ohms, model: cie/444 or similar [ warranty period: 12 months after the date of delivery ]