Megohmmeter With PI DAR DD Test

This High Voltage Digital Insulation Resistance Tester supports 50V-15kV multi-range output, performs full-parameter insulation tests (IR/PI/DAR/DD, etc.), features strong anti-interference, automatic discharge and IP65 protection, ideal for insulation testing and maintenance of power & industrial electrical equipment.

1 TΩ(Tera ohm)=1000GΩ= Ω
1 GΩ(Giga ohm)=1000MΩ= Ω
1 MΩ(Mega ohm)=1000KΩ= Ω

1. A 5-inch touchscreen color display shows test data simultaneously. Test operations and historical record queries are very convenient.
2. Insulation resistance range : 0.005MΩ～ 30TΩ.
3. The rated output voltage can reach up to 8 levels ( 50V, 250V, 500V, 1kV, 2.5kV, 5kV, 10kV, 15kV).
4. Maximum short-circuit current : 7mA.
5. It has high output power and strong anti-interference ability , and has stable testing capabilities in scenarios with large distributed capacitance ( such as long cables ) and in environments with strong electromagnetic interference (such as substations).
6. Comprehensive measurement parameters: insulation resistance (IR), polarization index (PI), absorption ratio (DAR), step (STEP), ramp (RAMP) , dielectric discharge index (DD), distributed capacitance (CAP) , and AC/DC voltage (V) .
7. Customizable measurement modes allow users to select PI, DAR, and DD calculation formulas, providing a variety of options.
8. Custom voltage mode: The test voltage and test duration can be freely set to meet the needs of special scenarios.
9. Voltage Monitor : Automatically monitors the voltage of the object under test. Testing is automatically disabled if the voltage exceeds 36V, effectively protecting the instrument and operators.
10. Current Monitor: Automatically displays the current in the test circuit.
11. Temperature monitor: Automatically displays the temperature and humidity inside the instrument box.
12. Automatic discharge function: After testing , the charged charge of the tested object is automatically and quickly released without the need for an external discharge circuit.
13. High-capacity rechargeable lithium battery pack 14.8V 6400 mAh. To ensure long-term testing operations.
14. Large-capacity test record storage; test records can be directly viewed and analyzed on this instrument. It can automatically store 1000 sets of real-time test data with test date and time.
15. USB communication upload function: recorded data can be uploaded to a computer for storage , data statistics and analysis.
16. Bluetooth communication function, which can upload test results to mobile phone.
17. Double-layer shell structure, sturdy and durable, IP65 protection rating ( when the cover is closed ) .

Insulation testing of power equipment
Insulation testing of transformers, switchgear, instrument transformers, and insulators
Insulation performance testing of high-voltage cables, busbars, and overhead lines
 

Industrial electrical equipment maintenance
Insulation testing of motors, generators, frequency converters, and control cabinets
Routine inspection of power supply systems and distribution equipment in industrial and mining enterprises
 

Strong interference/high capacity scenarios
High-inductive environments such as substations and power plants
Testing of long-distance cables and high-capacity capacitive equipment
 

General Electric Installation Acceptance
Building electromechanical systems, computer room power supply, and insulation testing of telecommunications equipment
Oilfield, meteorological, and electromechanical installation site acceptance testing