8720 高精度功率計產(chǎn)品概述:
高精度功率計
測量精度指標(DC 0.5~2KHz)
參數(shù) | 測量范圍 | 誤 差 | 備注 |
電壓 | 波峰系數(shù)CF=3:40/600 波峰系數(shù)CF=6:20/300 | DC | ±(讀數(shù)的0.1% +量程的0.2% ) | 0.5 Hz ≤ f< 45 Hz | ±(讀數(shù)的0.1% +量程的0.2% ) | 45 Hz ≤ f ≤ 66 Hz | ±(讀數(shù)的0.1% +量程的0.1 % ) | 66 Hz < f ≤ 1 kHz | ±(讀數(shù)的0.1% +量程的0.2 % ) | 1 k Hz < f ≤ 2 kHz | ±(讀數(shù)的0.15% +量程的0.3% ) |
| 過載: 1.1倍 |
電流 | 波峰系數(shù)CF=3:0.1/20(40僅限CF=1.5) 波峰系數(shù)CF=6:0.05/10(40僅限CF=1.5) |
有功 功率 | U*I | DC | ±(讀數(shù)的0.1% +量程的0.2% ) | 0.5 Hz ≤ f< 45 Hz | ±(讀數(shù)的0.3% +量程的0.2% ) | 45 Hz ≤ f ≤ 66 Hz | ±(讀數(shù)的0.1% +量程的0.1 % ) | 66 Hz < f ≤ 1 kHz | ±(讀數(shù)的0.2% +量程的0.2 % ) | 1 k Hz < f ≤ 2 kHz | ±(讀數(shù)的0.2% +量程的0.3 % ) |
| PF=1.0 |
功率 因數(shù) | 0.1 ~ 1 | 0.5 Hz ≤ f< 45 Hz | ±0.01 | 45 Hz ≤ f ≤ 66 Hz | ±0.01 | 66 Hz < f ≤ 1 kHz | ±0.02 | 1 k Hz < f ≤ 2 kHz | ±0.05 |
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頻率 | 0.5 ~ 2kHz | 計數(shù)方式,0.1%*讀數(shù),當信號值大于0.1*當前量程 |
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電能 累計 | 0~999999 MWh /0~-99999 MWh | DC | ±(讀數(shù)的0.1% +量程的0.2% ) | 0.5 Hz ≤ f< 45 Hz | ±(讀數(shù)的0.3% +量程的0.2% ) | 45 Hz ≤ f ≤ 66 Hz | ±(讀數(shù)的0.1% +量程的0.1% ) | 66 Hz < f ≤ 1 kHz | ±(讀數(shù)的0.2% +量程的0.2% ) | 1 k Hz < f ≤ 2 kHz | ±(讀數(shù)的0.2% +量程的0.3% ) |
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安時 累計 | 0~999999 MAh /0~-99999 MAh | DC | ±(讀數(shù)的0.1% +量程的0.2% ) | 0.5 Hz ≤ f< 45 Hz | ±(讀數(shù)的0.1% +量程的0.2% ) | 45 Hz ≤ f ≤ 66 Hz | ±(讀數(shù)的0.1% +量程的0.1% ) | 66 Hz < f ≤ 1 kHz | ±(讀數(shù)的0.1% +量程的0.2% ) | 1 k Hz < f ≤ 2 kHz | ±(讀數(shù)的0.15%+量程的0.3% ) |
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電能計時 | 99999h | ± 2秒/小時 |
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諧波 | 1~50次 | 基波頻率 | zui高分析次數(shù) | 10Hz~65Hz | 50 | 65Hz~100Hz | 32 | 100Hz~200Hz | 16 | 200Hz~400Hz | 8 |
| 精度等級:B級 |
二 其它技術指標
顯示更新:顯示刷新周期0.1秒~5秒可設。
整機功耗:< 10VA;
儀表重量:約 2.8kg;
儀表外形zui大尺寸:寬×高×深 (223.5×107.5×380);
儀表開孔尺寸:寬×高(209×84)。
三 工作環(huán)境
大氣壓力:(86~106)kPa ;
溫度:(0~40)℃ ;
相對濕度:≤85%RH
儀表工作電源:AC (100~265)V 50/60Hz
四 安全要求
絕緣電阻:下列端子間絕緣電阻不低于2MΩ;
耐 電 壓:下列端子之間能承受2000V 50Hz正弦波電壓:
測量端子與機殼之間;電源線與機殼之間;測量端子與電源線之間。