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The insulation resistance tester uses a high-voltage inverter circuit to invert the DC power supply into rated high-voltage output 1000V, 2500V, 5000V, and 10000V is applied to both ends of the tested product. An advanced voltage and current sampling circuit is used to sample the two ends of the tested product. The voltage and the current flowing through the body of the tested product are divided by the operation, and the digital result is output to the high-accuracy A/D device. The digital display insulation resistance tester pays attention to outputting the A/D conversion result to the MCU circuit. The resistance value is directly read by the LCD number display. The A/D converter automatically performs conversion at the 15s, 1min, and 10min after starting the high voltage test, and stores the data in the data memory. The data in the memory can be multiple. Test voltage: 1000V, 2500V, 5000V, 10000V.
2. Measure insulation resistance as high as 2TΩ.
3, insulation resistance value using 31/2LCD digital display.
4, insulation resistance measurement automatically converts the range, easy reading.
5. Measure the current ambient temperature.
6. Automatic timing function, the instrument buzzer sounds once every 15 seconds.
7. Automatically calculate and store R15S, R60S, R600S, absorption ratio, and polarization index values.
8, the output short-circuit current greater than 3mA, to meet the requirements of fast charging capacitive load.
9, strong anti-interference ability, stable and reliable readings.
10, a complete protection function to ensure safe operation.
11, rechargeable lithium battery power, when the battery power automatically shut down. Digital Insulation Resistance Tester Note Read or read manually or manually, and R1min/R15s and R10min/R1min operations can also be performed and values ​​can be read out.
Digital Insulation Resistance Tester Notes
Insulation resistance tester is based on the basic requirements of insulation resistance measurement, using the latest electronic circuit design, the basic principle is to use voltage and current method to measure the resistance of the measured object: R = V / I. Memory, Digital Insulation Resistance Tester Considerations The operation circuit enables the unit to automatically measure the absorption ratio (R1min/R15s) and the polarization index (R10min/R1min).