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聯(lián)系人：吳經(jīng)理
1. 工作原理簡(jiǎn)述
交流電壓、交流電流經(jīng)高速高精度ADC轉(zhuǎn)換成數(shù)字信號(hào)，并對(duì)其進(jìn)行數(shù)字 運(yùn)算和誤差補(bǔ)償，從而精確地獲得有功電量和無功電量。同時(shí)存儲(chǔ)和顯示測(cè)量結(jié)果。
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2. 主要技術(shù)參數(shù) |
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功耗 |
電壓線路 |
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＜2W/10VA(外電源 0.5VA) |
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電流線路 |
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＜4VA |
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頻率范圍 |
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50Hz 或 60Hz |
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啟動(dòng)電流 |
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直接接通 0.004Ib |
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經(jīng)互感器 0.002In |
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潛動(dòng) |
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無 |
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正常工作電壓 |
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0.9 Un ～1.1Un |
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極限工作電壓 |
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0.7Un～1.3 Un |
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正常工作溫度 |
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-25～55℃ |
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