Megohmmeter, Backlit Digital Display Yes, Bluetooth Compatible No, CAT Safety Rating CAT IV 600V, Calibration Certificate Included, Capacitance Auto Discharge Yes, Display Type Digital, Dustproof Yes, Greater Than 30V Warning No, Includes 10 ft Lead Set, Medium Size Insulated Clips, Power Lead, USB Cable, Insulation Limit Alarm Yes, Maximum Insulation Resistance 10 teraohm, Minimum Insulation Resistance 100 kiloohm, PI/DAR Testing Yes, Parameters Measured Insulation Resistance The Megger(R) MIT525 DC diagnostic tester offers insulation resistance (IR), timed IR, polarization index (PI), dielectric absorption ratio (DAR), dielectric discharge (DD), stepped voltage (SV), and ramp test. Simple rotary switch operation and simultaneous display of multiple results, plus rapid-charge batteries an.