工作原理: 溫度(du)變(bian)(bian)送器模塊采用(yong)進口集成電(dian)路,將熱電(dian)阻(zu)或(huo)(huo)熱電(dian)偶的信號放(fang)大(da),并轉換成4-20mA或(huo)(huo)0-10mA的輸出電(dian)流,或(huo)(huo)0~5V的輸出電(dian)壓。其中鎧(kai)裝變(bian)(bian)送器可以直接測量(liang)氣(qi)體或(huo)(huo)液體的溫度(du)特別適(shi)用(yong)于低溫范圍測量(liang),克服了冷凝水對測溫所帶來(lai)的影(ying)響.
SBW系列熱(re)電(dian)(dian)偶(ou)、熱(re)電(dian)(dian)阻溫度變(bian)送(song)器是DDZ系列儀表(biao)中的現(xian)場安裝式溫度變(bian)送(song)器單元,與工(gong)業熱(re)電(dian)(dian)偶(ou)、熱(re)電(dian)(dian)阻配套使用,它(ta)采用二線(xian)(xian)制傳輸方式(兩(liang)根(gen)導線(xian)(xian)作為電(dian)(dian)源輸入(ru)和信號輸出的公(gong)用傳輸線(xian)(xian))。