數(shù)字功率表PF2010技術(shù)參數(shù):
測量量程 |
||
項目 |
電壓 |
電流 |
輸入回路類型 |
電阻分壓 |
純組取樣 |
測量范圍 |
0.1V~600V |
2.5mA~20A(直接輸入) |
輸入量程 |
30/60/100/200/400/600V |
直接輸入:0.5/1/2/5/10/20A |
外部輸入:50/100/200mA |
||
量程切換 |
自動/手動均可 |
|
測量模式 |
RMS/MEAN/DC |
|
頻率范圍 |
DC、AC:10Hz~500kHz |
|
*大允許輸入(峰值1秒) |
1000V或量程的3倍,二者中取較小的值 |
直接輸入:50A或量程的3倍,二者中取較小值 |
*大允許連續(xù)輸入(RMS) |
700V或量程的2倍,二者中取較小值 |
直接輸入:25A或量程的2倍,二者中取較小值 |
A/D轉(zhuǎn)換器 |
分辨率:16bits *大轉(zhuǎn)換速率:200kHz |
測量精度 |
||
條件 |
電壓(V)/(A) |
有功功率(W) |
Humidity:30~75%RH Temperature:23±5℃ Source:220V±5% Input waveform: sine waveform Input:10~100%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) |