ma meter 中文意思是什麼
ma meter
解釋
毫安表-
Calibration will be made by applying appropriate sinusoidal voltage and current signals with known phase relationship to the meter under test. the ranges of test voltages and currents are 25 v to 250 v and 50 ma to 100 a respectively
按已知的相位關系,將適當的正弦電壓及電流訊號加於接受測試的功率因數表,以進行校正。測試電壓及電流量程分別為25v至250v及50ma至100a 。 -
Detecting meter with microprocessor 4 20 ma current input
電流輸入的帶微處理機檢測儀表 -
Single phase ac active reactive power meter double screen digital display outline dimension 80160 mm rs - 485 standard serial communication ma transmission output switch power supply input voltage 0220 v, input current 05 a active power display 1100 w, reactive power display 1100 var
單相交流有功無功功率表雙屏數字顯示外形尺寸80160 rs - 485標準串列通訊4 20 ma變送輸出開關電源供電電壓輸入0 220v ;輸入電流0 5a ;有功顯示1100w ,無功顯示1100var 。 -
Single phase ac reactive power meter : light column display single screen digital display, outline dimension 80160 mm, rs - 485 standard serial communication ; transmission output ma ; high low limit alarm function switch power supply input voltage 380 v input current 05 a display range 01900 var
單相交流無功功率表光柱顯示單屏數字顯示外形尺寸80160 rs - 485標準串列通訊變送輸出4 20 ma ,上下限報警功能開關電源供電;輸入電壓380v ;輸入電流05a ;顯示量程0 1900var 。 -
2. wp - le3pq - t2824nt 220v 220v, 5a 5a tri - phase ac active, reactive power meter ; double screen digital display ; outline dimension 80160mm ; rs - 485 standard serial communication ; ma transmission output ; tri - phase four - wire system ; switch power supply ; input voltage 0220v ; input current 05a ; active display 3300w, reactive display 3300var
三相交流有功無功功率表雙屏數字顯示外形尺寸80160 rs - 485標準串列通訊4 20 ma變送輸出三相四線制;開關電源供電電壓輸入0 220v輸入電流0 5a ;有功顯示3300w ,無功顯示3300var ,
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