2. High-precision sampling and processing circuits, combined with advanced Fourier harmonic analysis technology, ensure more reliable data.
3. The instrument uses a unique high-speed magnetic isolation digital sensor to directly collect input voltage and current signals, ensuring data reliability and safety.
4. This instrument can use the electric field induction method instead of PT secondary wiring.
5. In no-voltage mode, there is no need to take PT secondary voltage signals; the software calculation method is used to find the voltage reference.
6. This instrument can measure three phases simultaneously with automatic compensation, making it especially convenient to use.
7. It has functions such as resistive current fundamental wave peak output and side-phase correction.
8. The instrument is equipped with a rechargeable battery, calendar clock, and micro printer, and can store 120 sets of measurement data.
Product Parameters
1. Total current measurement range: 0—10mA RMS, 50Hz/60Hz Accuracy: ±(reading×5%+5µA)
2. Resistive current fundamental wave measurement accuracy (secondary method without interphase interference): ±(reading×5%+5µA)
3. Current harmonic accuracy: ±(reading×10%+10µA)
4. Reference voltage input range: 25V—250V RMS, total harmonic content <30% 50Hz/60Hz
5. Reference voltage measurement accuracy: ±(reading×5%+0.5V)
6. Voltage harmonic measurement accuracy: ±(reading×10%)
7. Fundamental current-voltage angle Φ: 0 o -360o
8. Electric field strength input range: 30KV/m—300KV/m, total harmonic content <30%
9. Electric field strength measurement accuracy: ±(reading×10%)
10. Electric field harmonic measurement accuracy: ±(reading×10%)
11. Battery working time: 6 hours for the main unit
12. Charging power supply: 220V±10% 50Hz/60Hz
Charging time: >5 hours
13. Working environment: Temperature: -10—50℃ Humidity: <90%
