輸出信號: 4-20 mA ,負載(zai)電(dian)阻250,傳(chuan)輸導線電(dian)阻 100 |
輸出方法: 二線制 |
精度等級: 溫度變送器精度等級:0.1 0.2 0.5 顯(xian)示器精(jing)度等級:模擬指示式2.5級;數字顯(xian)示式0.5級. |
供電電源:24V.DC±10℅ |
防護等級:IP65 |
防爆等級: 隔爆型:dⅡBT4 dⅡCT5 dⅡCT6 本質安全型(xing):iaⅡCT6 |
絕緣電阻:儀表輸出接線端子與外殼之間的絕緣電阻應不小于50. |
熱響應時間: 當(dang)帶溫(wen)(wen)度變(bian)送(song)器(隔(ge)爆)熱(re)電(dian)(dian)(dian)(dian)偶(ou)/阻(zu)溫(wen)(wen)度出現階(jie)躍(yue)(yue)變(bian)化時(shi)(shi),儀(yi)(yi)表的(de)(de)電(dian)(dian)(dian)(dian)流(liu)輸出信號變(bian)化至相(xiang)當(dang)于該(gai)階(jie)躍(yue)(yue)變(bian)化的(de)(de)50%所需(xu)的(de)(de)時(shi)(shi)間 ,通常(chang)以t0.5表示當(dang)溫(wen)(wen)度變(bian)送(song)器的(de)(de)階(jie)躍(yue)(yue)響(xiang)(xiang)應(ying)穩(wen)(wen)定(ding)(ding)時(shi)(shi)間不超(chao)過(guo)熱(re)電(dian)(dian)(dian)(dian)偶(ou)(阻(zu))熱(re)響(xiang)(xiang)應(ying)穩(wen)(wen)定(ding)(ding)時(shi)(shi)間t0.5的(de)(de)五分(fen)之一時(shi)(shi),則(ze)用(yong)熱(re)電(dian)(dian)(dian)(dian)偶(ou)(阻(zu))熱(re)響(xiang)(xiang)應(ying)時(shi)(shi)間作(zuo)為(wei)儀(yi)(yi)表的(de)(de)熱(re)響(xiang)(xiang)應(ying)時(shi)(shi)間; 當(dang)溫(wen)(wen)度變(bian)送(song)器的(de)(de)階(jie)躍(yue)(yue)熱(re)響(xiang)(xiang)應(ying)穩(wen)(wen)定(ding)(ding)時(shi)(shi)間不超(chao)過(guo)熱(re)電(dian)(dian)(dian)(dian)偶(ou)(阻(zu))熱(re)響(xiang)(xiang)應(ying)穩(wen)(wen)定(ding)(ding)時(shi)(shi)間t0.5的(de)(de)二分(fen)之一時(shi)(shi),則(ze)用(yong)溫(wen)(wen)度變(bian)送(song)器熱(re)響(xiang)(xiang)應(ying)時(shi)(shi)間作(zuo)為(wei)儀(yi)(yi)表的(de)(de)熱(re)響(xiang)(xiang)應(ying)時(shi)(shi)間; |
基本誤差: 儀(yi)表(biao)的基本(ben)誤(wu)差應不超過(guo)熱電偶(ou)(阻)和(he)溫度變送器(qi)基本(ben)誤(wu)差的合成誤(wu)差。 |