Description
Overview
GAOTek circuit current adjustable parameter tester is used for testing the electrical insulation resistance characteristics of large high-voltage transformer, motor appliances, remote power cables or buried cables under the strong interference site such as high-voltage substation and power plant.
Features
- With strong anti-electric field interference ability up to 2 mA (50 Hz)
- It is suitable for 500kV substation without dismantling wire
- It is used to test insulation resistance of 500 kV large-scale transformer
- Short-circuit current is 10 mA
- Suitable for testing high capacity and inductance
- Wide resistance range 0.01 MΩ to 1999 GΩ
- With high-resolution, having accurate readings
- Can smoothly adjust voltage from 0 V to the desired value
- With timing function, remind users to record
- Analyse absorptance and polarization index of measured target
- The key parts are all imported components
- Ensure accuracy and accurate
- One-piece chassis, small size, light weight, easy to carry
- Rugged and strong grinding material, overall texture and longer
Technical Specifications
| Measurement voltage range | 0.25 kV, 0.5 kV, 1 kV, 2.5 kV, 5 kV, 10 kV |
| Measurement voltage accuracy | ± (5% +10 V) |
| Short circuit current | 10 mA |
| Measurement range | 20 MΩ to 2000 GΩ |
| Anti-electric field interference ability | 2 mA (50 Hz or 60 Hz) |
| Time and alarm functions | Maximum value of stopwatch is 19 minutes and 59 seconds. 20 minutes for a cycle. The stopwatch will tell the time at these time points 15 seconds, 60 seconds and every 60 seconds. When telling time, resistance readings hold for 3 seconds. If the measured resistance is below the lower limit of range, the reading is invalid, and the instrument will continuously sound to give an alarm. |
| Display | Three and a half bits LCD digital meter (three), respectively show test voltage, test resistance, test time. |
| Power supply | DC rechargeable lithium battery, DC 15 V power supply. With AC (50 Hz or 60 Hz) special adapter access port to charge the battery. |
| Temperature | -4 °F to 104 °F (-20 ℃ to 40 ℃) |
| Relative humidity | 20% RH to 90% RH |
| Dimensions | 12.4 in x 9.4 in x 7.0 in (315 mm × 240 mm × 180 mm) |
| Weight | 12.1 lb (5.5 kg) life |