Insulation Earth Resistance Tester Digital Meter AC DC Ammeter Transistor Tester LCD Megohmmeter Meter Voltmeter Detect

Feature:  LCD multiple display and analog bar display, full symbol display, automatic range, software calibration, full key operation.  1. AC and DC voltage measurement;  2. Insulation resistance measurement;  3. 100 groups of data storage;  4. Automatic calculation of polarization index, absorption ratio;  5. Backlight and data retention function;  Specification:  Material: ABS plastic.  Size: 17.2*14*6.2cm/6.79*5.52*2.48in.  Power supply: 8*AA batteries (not included).  Maximum display: 2000 counts.  Measuring range:  1. Measure the output voltage:  MH12: 50V-1000V, (50V, 100V, 250V, 500V, 1000V,).  2. Measure insulation resistance:  MH12: 0.1MΩ-10GΩ.  Absorption ratio and polarization index standard.  Absorption ratio DAR:  The ratio of the insulation resistance value at 1 minute to the insulation resistance value at 30 seconds.  Polarization index PI:  The ratio of the insulation resistance value at 10 minutes to the insulation resistance value at 1 minute, to judge whether the