【接觸(chu)式測溫儀(yi)表】接觸(chu)式測溫儀(yi)表有哪些 接觸(chu)式測溫儀(yi)優點(dian)與使用范圍
溫度測量儀是測溫儀器類型的(de)其(qi)中之(zhi)一。根(gen)據所用測(ce)溫(wen)(wen)(wen)物質(zhi)的(de)不(bu)同和測(ce)溫(wen)(wen)(wen)范圍的(de)不(bu)同,有煤油溫(wen)(wen)(wen)度(du)計(ji)(ji)、酒精(jing)溫(wen)(wen)(wen)度(du)計(ji)(ji)、水(shui)銀溫(wen)(wen)(wen)度(du)計(ji)(ji)、氣體溫(wen)(wen)(wen)度(du)計(ji)(ji)、電(dian)(dian)阻溫(wen)(wen)(wen)度(du)計(ji)(ji)、溫(wen)(wen)(wen)差電(dian)(dian)偶溫(wen)(wen)(wen)度(du)計(ji)(ji)、輻射溫(wen)(wen)(wen)度(du)計(ji)(ji)和光測(ce)溫(wen)(wen)(wen)度(du)計(ji)(ji)、雙金屬溫(wen)(wen)(wen)度(du)計(ji)(ji)等。
接觸式測溫儀表有哪些
溫度測量儀(yi)表按測溫方式(shi)可分為接觸式(shi)和非接觸式(shi)兩(liang)大類(lei)。
通(tong)常來說接觸式測(ce)(ce)溫(wen)(wen)儀表比較簡單(dan)、可靠,測(ce)(ce)量精度(du)較高(gao);但因測(ce)(ce)溫(wen)(wen)元件與被測(ce)(ce)介質需(xu)要進行充分的熱交換,幫需(xu)要一定的時(shi)間才能(neng)達到熱平衡,所以存在測(ce)(ce)溫(wen)(wen)的延遲現象,同時(shi)受(shou)耐高(gao)溫(wen)(wen)材料(liao)的限(xian)制,不(bu)能(neng)應用(yong)于很高(gao)的溫(wen)(wen)度(du)測(ce)(ce)量。
一般有膨(peng)脹(zhang)式溫(wen)(wen)度(du)計、壓力表式溫(wen)(wen)度(du)計、電阻(zu)式溫(wen)(wen)度(du)計、熱電偶溫(wen)(wen)度(du)計。
非接(jie)觸式儀表測(ce)(ce)(ce)溫是(shi)通(tong)過熱輻射(she)原理來測(ce)(ce)(ce)量(liang)溫度的(de),測(ce)(ce)(ce)溫元件不(bu)(bu)需(xu)與被測(ce)(ce)(ce)介(jie)質接(jie)觸,測(ce)(ce)(ce)溫范圍廣,不(bu)(bu)受測(ce)(ce)(ce)溫上限(xian)的(de)限(xian)制,也(ye)不(bu)(bu)會破(po)壞(huai)被測(ce)(ce)(ce)物(wu)體的(de)溫度場(chang),反應(ying)速度一般(ban)也(ye)比較快;但受到物(wu)體的(de)發(fa)射(she)率、測(ce)(ce)(ce)量(liang)距離、煙塵和水氣(qi)等外界因素的(de)影響,其測(ce)(ce)(ce)量(liang)誤差較大。
接觸式測溫儀優點與使用范圍
接觸式測溫儀精度高,響應時間(jian)迅速,可以(yi)勝任靜(jing)態動態固體(ti)表(biao)面溫(wen)(wen)度,液體(ti)、氣體(ti)及狹縫(feng)處溫(wen)(wen)度測量(liang)。廣泛應用于醫療,環境,食品,工業(ye)等各(ge)領域(yu)。數(shu)字液晶顯示,接(jie)觸式(shi)測溫(wen)(wen)儀(yi)外形小巧、探(tan)頭插座與溫(wen)(wen)度顯示儀(yi)相(xiang)連,打開電(dian)源開關,握(wo)住探(tan)頭手(shou)柄、接(jie)觸被測物體(ti)、待表(biao)中讀數(shu)穩定(ding)后,即可得到被測物的(de)溫(wen)(wen)度值。溫(wen)(wen)度范圍(wei)0-100℃,-50-100℃、-50-300℃、0-300℃,0-500℃,0-800℃,0-1000℃,0-1300℃,分(fen)辨力0.1℃,自帶半導(dao)體(ti)溫(wen)(wen)度傳感器(qi) ,測量(liang)數(shu)據保(bao)持,2節7號電(dian)池供電(dian),使用長久(jiu) ,自動關機,節省電(dian)池。
橡(xiang)膠行業(ye):可測量煉膠機(ji)滾筒表面(mian)溫度(du),壓延機(ji)輥筒表面(mian)溫度(du)及移(yi)動,轉動時的物體表面(mian)溫度(du)測量、平板硫化(hua)機(ji)表面(mian)溫
度、平(ping)板(ban)加熱器表(biao)面(mian)溫(wen)(wen)(wen)(wen)度、熱壓(ya)機平(ping)板(ban)表(biao)面(mian)溫(wen)(wen)(wen)(wen)度、烘箱(xiang)表(biao)面(mian)溫(wen)(wen)(wen)(wen)度、軋輥(gun)表(biao)面(mian)溫(wen)(wen)(wen)(wen)度、齒(chi)輪箱(xiang)表(biao)面(mian)溫(wen)(wen)(wen)(wen)度,膠料內部溫(wen)(wen)(wen)(wen)度,火(huo)焰溫(wen)(wen)(wen)(wen)度、玻璃液溫(wen)(wen)(wen)(wen)度、淬火(huo)液溫(wen)(wen)(wen)(wen)度、模(mo)具(ju)的表(biao)面(mian)溫(wen)(wen)(wen)(wen)度、測(ce)量膠帶(dai)溫(wen)(wen)(wen)(wen)度,膠板(ban)溫(wen)(wen)(wen)(wen)度,橡膠溫(wen)(wen)(wen)(wen)度、輪胎溫(wen)(wen)(wen)(wen)度及(ji)可插入內部物體的溫(wen)(wen)(wen)(wen)度測(ce)量。
鋁(lv)加工(gong)、銅(tong)(tong)加工(gong)行業:可(ke)測量(liang)鋁(lv)水(shui)(shui),鋁(lv)液,鋁(lv)帶(dai),鋁(lv)箔(bo),鋁(lv)棒,鋁(lv)板溫(wen)度,鋁(lv)錠表面(mian)溫(wen)度,模具表面(mian)溫(wen)度,銅(tong)(tong)水(shui)(shui)、銅(tong)(tong)液、銅(tong)(tong)帶(dai)、銅(tong)(tong)箔(bo)、銅(tong)(tong)棒、銅(tong)(tong)板、銅(tong)(tong)材表面(mian)溫(wen)度、銅(tong)(tong)錠表面(mian)溫(wen)度、軋鋼(gang)表面(mian)溫(wen)度。鋅(xin)水(shui)(shui)、鋅(xin)液、鋅(xin)帶(dai)、鋅(xin)箔(bo)、鋅(xin)錠、鋅(xin)棒、鋅(xin)板、鋅(xin)材、鎂(mei)(mei)水(shui)(shui)、鎂(mei)(mei)液、鎂(mei)(mei)帶(dai)、鎂(mei)(mei)箔(bo)、鎂(mei)(mei)錠、鎂(mei)(mei)棒、鎂(mei)(mei)板、鎂(mei)(mei)材、熔煉測溫(wen)。儀器采用(yong)了較好的抗干擾措(cuo)施,可(ke)在電(dian)爐通電(dian)熔煉時直接在爐內測溫(wen)。
造紙行(xing)業:可(ke)以測量造紙機滾(gun)筒表面(mian)溫(wen)度(du)、瓦(wa)楞紙機滾(gun)筒表面(mian)溫(wen)度(du)。如烘缸滾(gun)動表面(mian)溫(wen)度(du)。
空調,暖通行業:可以測量暖氣,空調出風口的(de)溫(wen)度(du)(du)(du)(du),還可以測量暖氣片表(biao)面(mian)(mian)溫(wen)度(du)(du)(du)(du)表(biao)面(mian)(mian)溫(wen)度(du)(du)(du)(du)、散熱片的(de)表(biao)面(mian)(mian)溫(wen)度(du)(du)(du)(du)、鑄模(mo)表(biao)面(mian)(mian)溫(wen)度(du)(du)(du)(du),玻璃器(qi)具表(biao)面(mian)(mian)溫(wen)度(du)(du)(du)(du),模(mo)具表(biao)面(mian)(mian)溫(wen)度(du)(du)(du)(du);軸(zhou)承表(biao)面(mian)(mian)溫(wen)度(du)(du)(du)(du),電機表(biao)面(mian)(mian)溫(wen)度(du)(du)(du)(du),管道外壁(bi)表(biao)面(mian)(mian)溫(wen)度(du)(du)(du)(du),鍋爐(lu)外壁(bi)表(biao)面(mian)(mian)溫(wen)度(du)(du)(du)(du),機床等各種熱體表(biao)面(mian)(mian)溫(wen)度(du)(du)(du)(du)、小孔溫(wen)度(du)(du)(du)(du)、狹縫(feng)處縫(feng)隙溫(wen)度(du)(du)(du)(du).
焊接行(xing)業(ye):可以(yi)測(ce)量(liang)工(gong)件(jian)預熱表面溫(wen)度。
模溫計(ji):可以測量模具預熱表面溫度(du)(du),金屬(shu)表面溫度(du)(du)。
化纖工業:可以測量(liang)熱板的(de)表(biao)(biao)面(mian)(mian)溫(wen)度,牽伸(shen)機表(biao)(biao)面(mian)(mian)溫(wen)度,絲糟表(biao)(biao)面(mian)(mian)溫(wen)度,滾動體(ti)或移動體(ti)的(de)表(biao)(biao)面(mian)(mian)溫(wen)度.