测量精度 |
条件 | 电压(V)/(A) | 有功功率(W) |
Humidity:30~75%RH Temperature:23±5℃ Source:220V±5% Input waveform: sine waveform Input:10~range Common mode:0V PF:COSФ=1 Low-pass linear filter With cut-off Frequency:500Hz CF=3 | DC: | DC: |
±(0.04%reading+0.08%range+1digit) | ±(0.08%reading+0.16%range+1digit) |
10Hz~45Hz | 10Hz~45Hz |
±(0.03%reading+0.05%range+1digit) | ±(0.05%reading+0.05%range+1digit) |
45Hz~65Hz | 45Hz~65Hz |
±(0.03%reading+0.03%range+1digit) | ±(0.04%reading+0.04%range+1digit) |
65Hz~250Hz | 65Hz~250Hz |
±(0.05%reading+0.1%range+1digit) | ±(0.05%reading+0.1%range+1digit) |
250Hz~1kHz | 250Hz~1kHz |
±(0.05%reading+0.5%range+1digit) | ±(0.05%reading+0.5%range+1digit) |
1kHz~10 kHz | 1kHz~10 kHz |
±(0.05%reading+1%range+1digit) | ±(0.05%reading+2%range+1digit) |
10kHz~100kHz | 10kHz~100kHz |
±(0.01*(f-10)%reading+1.5%range+1digit) | ±(0.02 *(f-10)%reading+2.5%range+1digit) |
100kHz~500kHz | 100kHz~500kHz |
±(0.03*(f-100)%reading+3%range+1digit) | ±(0.15*(f-100)%reading+5%range+1digit) |