數(shù)字功率表PF2010技術(shù)參數(shù):
測(cè)量量程 | ||
項(xiàng)目 | 電壓 | 電流 |
輸入回路類型 | 電阻分壓 | 純組取樣 |
測(cè)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(dòng)/手動(dòng)均可 | |
測(cè)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(cè)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~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) |