Transformer Insulation Resistance Tester is a portable tester that can apply voltage at 500V, 1.000V, 2.500V, 5.000V, 10.000V, 15.000V and 20.000V and can be used to measure insulation resistance up to 20 Tera Ohm.
Features:
- It can work independently from the mains with the internal lithium battery.
- It can measure insulation resistance up to 20 Ti at 20 kV.
- Short circuit current can be adjusted. Maximum 5mA.
- PI, DAR, leakage current and capacity measurement.
- Noise canceling feature.
- With the use of a lithium-ion battery, the battery life can be up to 4 hours.
- Illustration of insulation resistance bar screen.
- Digital filtering functions.
- Protection from network influences with internal fuse.
Transformer Insulation Resistance Tester Technical Parameters:
- Safety Standards:
IEC 61010-1 CAT.IV 600V
IEC 61326 EMC spec.
IEC60529 IP64
- AC Power supply and power: 220V ±% 10, 50/60 Hz; 20 VA
- Battery: 16.8V Lithium ion rechargeable battery
- Battery Life: 4 hours for 100MΩ at 10,000V.
- Dimensions: ( L x W x H) 37cm x 27cm x 17cm
- Weight: 3.6 kg
- Voltage measurement accuracy: 5% + 3V;
- Test current range: 10mA
- Leakage current measurement accuracy: 5% + 0.2nA
- Short circuit current: 5mA
- Capacity test range: 20uF
- Capacity test accuracy: % 15 + 0,03uF
- Operating environment:
Temperature: 23 ± 5ºC,
Humidity: 45 – 75% RH
Insulation resistance voltage range and accuracy
| Accu racy / Volt age | 5 00 V | 1.0 00 V | 2.5 00 V | 5.0 00 V | 10. 0 00 V | 15. 0 00 V | 20. 0 00 V |
| % 5 | <100 k | < 100 k | < 100 k | <100 k | < 100 k | <1 M | <1 M |
| 100 k -10 G | 100 k – 20 G | 100 k – 100 G | 100 k – 100 G | 100 k- 200 G | 100 k- 200 G | 100 k – 200 G | |
| % 20 | 10G – 100 G | 20 G – 200 G | 100 G – 1T | 100 G – 1T | 200 – 2T | 200 G – 2T | 200 G – 2T |
| > 100 G | > 200 G | > 1T | > 1T | > 2T | > 2T | > 2T |
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