Tender For supply of portable battery-operated surgeprotectivedevice (spd) life tester, designed for onsite testing of surge protection devices. it allows checking and indicating the health status of gdt/mov based spd of voltage range 1 ma to 20000v & leakage current upto 1000 micro ampere (accuracy+-5%). it ishaving lcd 20 x 4 character to display the various readings. it shall indicate the status of spd by measuring its electrical parameters (varistor voltage, leakage current & spark over voltage). make jmv dhen/citel or similar. [ warranty period: 30 months after the date of delivery ]