supply of digital insulation resistance tester , insulation resistance tester , digital insulation resistance tester specifications of insulation resistance tester :- 1.insulation resistance measurement range- 50 k? to 1 t? 2. standard test voltage range- 100v, 250v, 500v, 1kv, 2.5 kv & 5kv dc 3. short circuit current (minimum 3ma) 4.polarization index (pi) measurement 5. dielectric absorption ratio (dar) measurement 6. dielectric dischargetest (dd) 7. automatic discharging of device under test 8. guard test lead for surface leakagecurrent compensation 9.internal memory that can save minimum 500 readings 10. operation on mains and rechargeable battery 11. the insulation tester should meet following standards:- 12. instrument safety- iec/en61010-1, iec/en61557-1 ,iec/en61557-2 13. emc compatibility – iec 61326 14. insulation- double insulation 15. type of protection-2 16. mechanical protection- ip65 for closed case 17. over voltage category- cat iv 600v 18. battery- capable of minimum 5 hours continuous operation 19. power supply – 230vac +- 15%, 50 hz 20.testing lead length- minimum 3 metres 21. weight -5-6 kgs (excluding accessories) 22. display – lcd/led make: meggar, motwane, fluke or rishabh only