Insulation Resistance Tester,GR-6688B Portable Megohmmeter 200 Gig Ohm Digital Insulation Resistance with range 500V/1000V/2500V/5000V,with Data Hold Backlight,Testing for Floor Heating Cable

• High Performance:The insulation resistance tester adopts low power consumption and high integration chip design, with automatic zero calibration, automatic polarity display and over range indication functions.Testing Voltage:500V/1000V/2500V/5000V;Insulation Resistance:1MΩ-200GΩ.AC Voltage:1V~750V;display:1999.
• Big LCD Display: The megohmmeter Insulation Tester is provided with a LCD display for clear reading. 1.5V (AA) *6 battery with 2.0 inches of the big LCD screen with the backlight function, keep you easily to get the value readings even in the dim environment.
• Multifunction and Widely Applications:It has automatic gear, data holding, low battery indicator, backlight, high voltage red indicator, high voltage and short circuit input alarm,powerful anti-magnetic and anti-interference functions.Apply for all kinds or electric equipment and insulation materials such as transformer, electromotor, cable, switch, appliance, etc.It can be used to measure DC/AC voltage/current, resistance, capacitance, frequency.
• Safe and Reliable Design: GR-6688B insulation resistance tester is equipped with yellow insulation, anti-skid and fall protection sleeves,easy to carry and operate, which is suitable for outdoor working environment. The product design complies with IEC-1010 double insulation, environmental pollution class II and over-voltage class II safety standards issued by IEC. Safe configuration and improved circuit.
• List and Service:You will get digital insulation tester, test leads, screwdriver, user manual, etc.

Description： GR-6688B digital insulation resistance tester is suitable for measuring the insulation resistance of transformers, motors, cables, switches, electrical appliances and other electrical equipment and insulating materials, and for maintenance, testing and verification of various electrical equipment. It is your ideal electrician test instrument. Detail Specifications: Testing Voltage:500v/1000v/2500v/5000v Insulation Resistance:1MΩ-200GΩ Accurancy: 1MΩ -200MΩ :±(3.0% of rd digits); 200MΩ-10GΩ :±(5.0% of rdg + 5 digits); 10MΩ -200GΩ:±(10.0% of rdg + 5 digits); AC Voltage:750V Accurancy:±(2.0% of rdg + 5 digits); Function： Display:1999 (3,1/2) Range Select:AUTO ✅ Data Hold ✅ Low battery indication ✅ Backlight ✅ HV red indication lamp light Packing Include 1 x Digital Insulation Tester GR-6688B 2 x Test lead 6 x 1.5V batteries 1 x User Manual 1 x Screwdriver Note: When the measured resistance is less than 5MΩ under any rated test voltage, the measurement time shall not exceed 10 seconds. Sometimes we put the batteries in the battery compartment directly, please reposition the batteries correctly before you use.