This is a brand new CEM DT-5500 certified digital insulation tester from Ruby Electronics. This top-of-the-line device provides 250V, 500V and 1000V voltage for the test. It sources up to 1mA current during the test to offset the capacitance load.DT-5500 Insulation Testercan measure up to 2000 Mega Ohm with the resolution of 1 K ohm.
200Ohm, 200kOhm, 200MOhm.... @ 250V
Power supply: DC 9V 6x battery AA
Dimensions: 200mm × 92mm × 50mm (H × W × D)
Weight: Approx. 700g with batteries