2. High-precision sampling and processing circuits, 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. No voltage mode: no need to obtain PT secondary voltage signal, uses software calculation 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 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 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: main unit 6 hours
12. Charging power: 220V±10% 50Hz/60Hz
Charging time: >5 hours
13. Working environment: temperature: -10—50℃ humidity: <90%
