軸承熱電(dian)偶(ou),WRET-31屬于(yu)接觸式溫(wen)(wen)(wen)度(du)測量(liang)儀表(biao),同(tong)溫(wen)(wen)(wen)控(kong)儀表(biao)一樣是(shi)工業生產(chan)中zui常(chang)用的(de)溫(wen)(wen)(wen)度(du)測溫(wen)(wen)(wen)元件。其材(cai)料一般比較貴(gui)重,通(tong)(tong)常(chang)由兩(liang)種不同(tong)的(de)金屬絲組(zu)成(cheng)(cheng),它通(tong)(tong)過(guo)將(jiang)溫(wen)(wen)(wen)度(du)信號轉換成(cheng)(cheng)熱電(dian)動(dong)勢(shi)信號,把電(dian)氣儀表(biao)轉換成(cheng)(cheng)被測介(jie)質(zhi)的(de)溫(wen)(wen)(wen)度(du)。其測溫(wen)(wen)(wen)原(yuan)理是(shi)把兩(liang)種不同(tong)成(cheng)(cheng)分的(de)均質(zhi)導體組(zu)成(cheng)(cheng)閉合回路,當(dang)兩(liang)端(duan)存在溫(wen)(wen)(wen)度(du)剃度(du)是(shi),回路中就有電(dian)流(liu)通(tong)(tong)過(guo),兩(liang)端(duan)之間此時就有熱電(dian)動(dong)勢(shi)。
WRNT2-31單(dan)支軸(zhou)承熱電(dian)(dian)偶上(shang)海自動(dong)化儀表三廠本廠先后引進(jin)(jin)了(le)專業制造技術和(he)設(she)備,并在(zai)原有產品(pin)基礎上(shang),參考美國(guo)的EBASCO規格(ge)(ge),對(dui)產品(pin)進(jin)(jin)行重新設(she)計,增(zeng)加了(le)新的品(pin)種,使整個(ge)配套(tao)(tao)系(xi)列的品(pin)種、規格(ge)(ge)*符(fu)合(he)國(guo)產或引進(jin)(jin)的30萬、60萬千瓦(wa)發電(dian)(dian)機組以及國(guo)內其(qi)它機組配套(tao)(tao)需要
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