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 Filter OFF CF=3 | DC: | DC: |
±(0.1%reading+0.1%range+1digit) | ±(0.1%reading+0.2%range+1digit) |
0.5Hz~45Hz | 0.5Hz~45Hz |
±(0.1%reading+0.2%range+1digit) | ±(0.3%reading+0.2%range+1digit) |
45Hz~65Hz | 45Hz~65Hz |
±(0.05%reading+0.1%range+1digit) | ±(0.05%reading+0.1%range+1digit) |
65Hz~1kHz | 65Hz~1kHz |
±(0.1%reading+0.2%range+1digit) | ±(0.2%reading+0.2%range+1digit) |
1kHz~10 kHz | 1kHz~10 kHz |
±(0.07×f%reading+0.3%range+1digit) | ±{(0.1 %reading+0.3%range)±(0.067×(f-1)%reading)+1digit} |
10kHz~100kHz | 10kHz~100kHz |
±{(0.5 %reading+0.5%range)±(0.04×(f-10)%reading)+1digit} | ±{(0.5 %reading+0.5%range)±(0.04×(f-10)%reading)+1digit} |