2.5KV Insulation Resistance Tester Megohmmeter Ohm Digital Insulation Resistance Meter Data Storage. ,Easy to Use

250V, 500V, 1000V, 2500V: 4 grades of voltage output Polarization index test (PI), automatic absorption ratio test (DAR) Insulation resistance range: 1.0T / short circuit current of about 3.5mA External voltage detection function, automatic monitoring of the measured object charged voltage DC voltage 1000V / AC voltage 750V measurement