- Controlled by a 32-bit microcontroller, with a full Chinese operation interface, easy to operate.
- Automatically calculates absorption ratio and polarization index, and automatically stores data every minute for 15 seconds, 1 minute, and 10 minutes for analysis.
- High output current, short-circuit current greater than 5mA.
- Strong anti-interference capability, suitable for on-site operation in ultra-high voltage substations.
- Automatically discharges after test completion, with real-time monitoring of the discharge process.
- Built-in rechargeable battery and charger; when the backlight is not used, a full charge can last for 6 to 12 hours of continuous use.
II. Main Technical Performance
Accuracy: ±(10%+5 digits)
Measurement Range: 0.1MΩ to 1000GΩ
Test Voltage: Setting Range: 0.5kV to 10kV (500V, 1000V, 2500V, 5000V, 10000V, five levels) Accuracy: 5%±10V
Short-Circuit Current: >5mA
Measurement Time: 1 minute to 10 minutes (depending on measurement mode)
Charging Power Supply: 180 to 270VAC ,50Hz/60Hz±1% (mains or generator supply)
Operating Environment: Temperature -10 to 40°C, relative humidity 20 to 80%.
III. Operating Components and Functions
1. L terminal
“L” is the high-voltage output terminal, called the line terminal, connected via high-voltage cable to the tested line end, e.g., to motor windings or cable cores.
2. G terminal
“G” is called the guard terminal, used for measuring the volume resistance of insulating materials or cables using the three-electrode method; it connects to the guard ring of the three-electrode system.
3. E terminal
“E” is called the earth terminal, connected to the ground or neutral of the tested object, e.g., motor housing metal, transformer core, cable shield.
IV. Precautions and Others
Please note safety: L is the high-voltage terminal! E is the earth terminal, must be connected to earth! 1T=1000G, 1G=1000M
