【接觸式(shi)測溫(wen)儀(yi)表】接觸式(shi)測溫(wen)儀(yi)表有哪(na)些(xie) 接觸式(shi)測溫(wen)儀(yi)優點與使用范圍(wei)
溫度測量儀是測溫儀器類型的其中之一(yi)。根據所(suo)用測(ce)溫(wen)物(wu)質的不同和(he)測(ce)溫(wen)范圍的不同,有煤油溫(wen)度(du)(du)(du)計(ji)(ji)、酒精溫(wen)度(du)(du)(du)計(ji)(ji)、水銀溫(wen)度(du)(du)(du)計(ji)(ji)、氣體溫(wen)度(du)(du)(du)計(ji)(ji)、電阻(zu)溫(wen)度(du)(du)(du)計(ji)(ji)、溫(wen)差電偶溫(wen)度(du)(du)(du)計(ji)(ji)、輻射溫(wen)度(du)(du)(du)計(ji)(ji)和(he)光測(ce)溫(wen)度(du)(du)(du)計(ji)(ji)、雙金屬溫(wen)度(du)(du)(du)計(ji)(ji)等。
接觸式測溫儀表有哪些
溫(wen)度測量儀(yi)表按測溫(wen)方(fang)式可(ke)分為接(jie)觸式和非接(jie)觸式兩大類(lei)。
通(tong)常來說接觸式(shi)測溫(wen)(wen)儀表比較簡單(dan)、可(ke)靠,測量精度較高(gao);但因測溫(wen)(wen)元(yuan)件與被測介質需要(yao)進行充分的熱交換(huan),幫需要(yao)一定的時間才能達到熱平衡,所以存在測溫(wen)(wen)的延遲現象,同時受耐(nai)高(gao)溫(wen)(wen)材料的限制,不能應用于很高(gao)的溫(wen)(wen)度測量。
一般有(you)膨脹式溫度(du)計(ji)(ji)、壓(ya)力(li)表式溫度(du)計(ji)(ji)、電(dian)阻式溫度(du)計(ji)(ji)、熱電(dian)偶溫度(du)計(ji)(ji)。
非接(jie)觸式儀表測溫(wen)是通(tong)過熱輻(fu)射(she)(she)原理(li)來測量(liang)溫(wen)度(du)的(de),測溫(wen)元件不需(xu)與被測介質接(jie)觸,測溫(wen)范(fan)圍廣,不受測溫(wen)上限(xian)的(de)限(xian)制(zhi),也(ye)不會破壞被測物體(ti)的(de)溫(wen)度(du)場,反(fan)應(ying)速度(du)一般(ban)也(ye)比較快;但受到物體(ti)的(de)發射(she)(she)率(lv)、測量(liang)距(ju)離(li)、煙塵(chen)和水氣(qi)等外界因(yin)素的(de)影(ying)響(xiang),其測量(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(du)高,響應(ying)時間迅速,可(ke)(ke)以(yi)勝任靜態動(dong)態固體表面溫(wen)度(du),液(ye)(ye)體、氣體及(ji)狹縫處溫(wen)度(du)測量。廣泛應(ying)用于醫(yi)療,環境(jing),食品,工(gong)業(ye)等各領域。數(shu)字(zi)液(ye)(ye)晶顯示(shi),接觸式測溫(wen)儀外形小(xiao)巧、探頭插座與溫(wen)度(du)顯示(shi)儀相連,打開電源開關,握(wo)住探頭手柄(bing)、接觸被測物(wu)(wu)體、待表中讀數(shu)穩定后(hou),即可(ke)(ke)得到被測物(wu)(wu)的溫(wen)度(du)值(zhi)。溫(wen)度(du)范圍0-100℃,-50-100℃、-50-300℃、0-300℃,0-500℃,0-800℃,0-1000℃,0-1300℃,分辨(bian)力0.1℃,自(zi)帶(dai)半導體溫(wen)度(du)傳感器 ,測量數(shu)據保(bao)持,2節(jie)7號電池(chi)(chi)供電,使(shi)用長(chang)久 ,自(zi)動(dong)關機,節(jie)省電池(chi)(chi)。
橡膠(jiao)行業:可測量煉膠(jiao)機滾筒表(biao)(biao)面(mian)溫(wen)度,壓延機輥(gun)筒表(biao)(biao)面(mian)溫(wen)度及移動,轉動時(shi)的(de)物(wu)體(ti)表(biao)(biao)面(mian)溫(wen)度測量、平板硫化機表(biao)(biao)面(mian)溫(wen)
度(du)(du)、平(ping)板加熱器表面溫(wen)(wen)(wen)(wen)度(du)(du)、熱壓機平(ping)板表面溫(wen)(wen)(wen)(wen)度(du)(du)、烘箱(xiang)表面溫(wen)(wen)(wen)(wen)度(du)(du)、軋輥表面溫(wen)(wen)(wen)(wen)度(du)(du)、齒輪箱(xiang)表面溫(wen)(wen)(wen)(wen)度(du)(du),膠(jiao)(jiao)料內部(bu)溫(wen)(wen)(wen)(wen)度(du)(du),火焰溫(wen)(wen)(wen)(wen)度(du)(du)、玻璃液(ye)溫(wen)(wen)(wen)(wen)度(du)(du)、淬火液(ye)溫(wen)(wen)(wen)(wen)度(du)(du)、模具的表面溫(wen)(wen)(wen)(wen)度(du)(du)、測(ce)量膠(jiao)(jiao)帶溫(wen)(wen)(wen)(wen)度(du)(du),膠(jiao)(jiao)板溫(wen)(wen)(wen)(wen)度(du)(du),橡膠(jiao)(jiao)溫(wen)(wen)(wen)(wen)度(du)(du)、輪胎溫(wen)(wen)(wen)(wen)度(du)(du)及可插入(ru)內部(bu)物體的溫(wen)(wen)(wen)(wen)度(du)(du)測(ce)量。
鋁(lv)加工(gong)、銅(tong)加工(gong)行(xing)業(ye):可(ke)測(ce)量鋁(lv)水(shui),鋁(lv)液(ye),鋁(lv)帶,鋁(lv)箔(bo),鋁(lv)棒,鋁(lv)板(ban)(ban)溫度(du),鋁(lv)錠(ding)表面(mian)(mian)溫度(du),模(mo)具表面(mian)(mian)溫度(du),銅(tong)水(shui)、銅(tong)液(ye)、銅(tong)帶、銅(tong)箔(bo)、銅(tong)棒、銅(tong)板(ban)(ban)、銅(tong)材(cai)表面(mian)(mian)溫度(du)、銅(tong)錠(ding)表面(mian)(mian)溫度(du)、軋鋼表面(mian)(mian)溫度(du)。鋅(xin)水(shui)、鋅(xin)液(ye)、鋅(xin)帶、鋅(xin)箔(bo)、鋅(xin)錠(ding)、鋅(xin)棒、鋅(xin)板(ban)(ban)、鋅(xin)材(cai)、鎂(mei)(mei)水(shui)、鎂(mei)(mei)液(ye)、鎂(mei)(mei)帶、鎂(mei)(mei)箔(bo)、鎂(mei)(mei)錠(ding)、鎂(mei)(mei)棒、鎂(mei)(mei)板(ban)(ban)、鎂(mei)(mei)材(cai)、熔(rong)煉測(ce)溫。儀(yi)器采用了(le)較好的(de)抗干擾措施,可(ke)在電爐(lu)(lu)通電熔(rong)煉時直接在爐(lu)(lu)內測(ce)溫。
造(zao)(zao)紙行業:可以測量造(zao)(zao)紙機滾筒表(biao)面(mian)溫度(du)、瓦楞紙機滾筒表(biao)面(mian)溫度(du)。如烘缸滾動表(biao)面(mian)溫度(du)。
空(kong)調,暖(nuan)通行(xing)業(ye):可以測量(liang)暖(nuan)氣,空(kong)調出風口(kou)的溫(wen)(wen)(wen)度(du)(du),還可以測量(liang)暖(nuan)氣片表面(mian)(mian)(mian)(mian)溫(wen)(wen)(wen)度(du)(du)表面(mian)(mian)(mian)(mian)溫(wen)(wen)(wen)度(du)(du)、散熱片的表面(mian)(mian)(mian)(mian)溫(wen)(wen)(wen)度(du)(du)、鑄模(mo)表面(mian)(mian)(mian)(mian)溫(wen)(wen)(wen)度(du)(du),玻璃(li)器具表面(mian)(mian)(mian)(mian)溫(wen)(wen)(wen)度(du)(du),模(mo)具表面(mian)(mian)(mian)(mian)溫(wen)(wen)(wen)度(du)(du);軸承表面(mian)(mian)(mian)(mian)溫(wen)(wen)(wen)度(du)(du),電機(ji)表面(mian)(mian)(mian)(mian)溫(wen)(wen)(wen)度(du)(du),管道外壁表面(mian)(mian)(mian)(mian)溫(wen)(wen)(wen)度(du)(du),鍋爐外壁表面(mian)(mian)(mian)(mian)溫(wen)(wen)(wen)度(du)(du),機(ji)床等各種熱體表面(mian)(mian)(mian)(mian)溫(wen)(wen)(wen)度(du)(du)、小孔(kong)溫(wen)(wen)(wen)度(du)(du)、狹縫處(chu)縫隙溫(wen)(wen)(wen)度(du)(du).
焊(han)接行業:可以測量工(gong)件預熱表面溫(wen)度。
模溫(wen)計(ji):可(ke)以測(ce)量(liang)模具預熱表面溫(wen)度,金屬表面溫(wen)度。
化纖工業:可以測量熱板的表(biao)面溫(wen)度(du),牽伸機表(biao)面溫(wen)度(du),絲(si)糟表(biao)面溫(wen)度(du),滾(gun)動體(ti)或移(yi)動體(ti)的表(biao)面溫(wen)度(du).