Product name: Insulation resistance tester
Product specifications: XSN-3121
Product introduction: XSN-3121 insulation resistance tester can be widely used in equipment maintenance of substations and power plants. It can measure insulation resistance, absorption ratio and polarization index of high-voltage electrical equipment such as transformers, reactors, capacitors, circuit breakers, etc. .
Features:
1. Output voltage level: 250V, 500V, 1000V
2. With automatic discharge function: when testing the insulation resistance of a capacitive load, the charge will be automatically released after the measurement. The discharge status can be confirmed in the voltage mode, and the backlight function is convenient for working in dark light or at night.
3. The bar graph displays the measurement results, warning signs for live lines and buzzer warnings.
4. Automatic shutdown function: In order to avoid battery waste caused by forgetting to shut down, the instrument will automatically shut down when there is no operation for 10 minutes after measurement.
5. Optional No. 2 dry battery or large capacity lithium battery.
6. Automatic measurement and PI measurement (polarization index measurement), DAR measurement (dielectric absorption ratio measurement).
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Test object:
It is mainly used to check the insulation resistance performance of electrical equipment or electrical circuits to ground and phases to ensure that these equipment work normally.
technical parameter:
1. Rated voltage: 250V, 500V, 1000V
2. Measuring range: 0.1～99.9MΩ, 80～999MΩ, 0.80～2.00GΩ
3. Display range: 0.1M~2.00 GΩ
4. Display range: DC 1000V+20%, -0%
5. Freeze measuring current: 1mA~1.2mA at 1MΩ load
6. Short circuit current: 5mA±0.5mA
7. Accuracy: ±5%±3dgt
