特點(diǎn)

·熱響應(yīng)時(shí)間少，減小動(dòng)態(tài)誤差； ·直徑小，長度不受限制； ·測量精度高； ·進(jìn)口薄膜電阻元件，性能可靠穩(wěn)定；

工作原理

鎧裝熱電阻是利用物質(zhì)在溫度變化時(shí)，其電阻也隨著發(fā)生變化的特征來測量溫度的。當(dāng)阻值變化時(shí)，工作儀表便顯示出阻值所對應(yīng)的溫度值。

主要技術(shù)參數(shù)

產(chǎn)品執(zhí)行標(biāo)準(zhǔn) IEC751 JB/T8623-1997 JB/T8622-1997

常溫絕緣電阻

熱電阻在環(huán)境溫度為15—35°C，相對濕度不大于80%，試驗(yàn)電壓為10—100V（直流）電極與外套管之間的絕緣電阻>100MΩ。

偶絲直徑材料

引線形式	套管外徑φ	套管材質(zhì)
單支式	φ2	1Cr18Ni9Ti
	φ3
	φ4
	φ5
	φ6
	φ8
雙支式	φ3
	φ4
	φ5
	φ6
	φ8

測量范圍及允差

型  號(hào)	分 度 號(hào)	測溫范圍°C	精度等級(jí)	允  差
WZPK	Pt100	-200­­-+500	A級(jí)	±（0.15+0.002 ltl）
WZPK	Pt100	-200­­-+500	B級(jí)	±（0.30+0.005ltl）

熱響應(yīng)時(shí)間

套管直徑	熱響應(yīng)時(shí)間
Ф3	≤3
Ф4	≤5
Ф5	≤8
Ф6	≤12
Ф8	≤15

測量端結(jié)構(gòu)形式

 

 

型號(hào)命名方式

 套管式熱電偶WRNK-841n﹡D, WRNK-842n﹡D, WREK-841n﹡D. WREK-842n﹡D, WRNK-841n﹡I, WRNK-842n﹡I, WREK-841n﹡I. WREK-842n﹡I, WREK-842n﹡I, WRN-240A, WRN₂-240A, WRE-240A, WRE₂-240A, WRN-640A,WRN₂-640A,WRE-640A,WRE₂-640A, WRN-440A,WRN₂-440A, WRE-440A,WRE₂-440A, WRNK-240, WRNK₂-240, WREK-240, WREK₂-240, WRNK-440, WRNK₂-440, WREK-440, WREK₂-440, WRN-74O,WRN2-74O, WRN-74O, WRN2-74O, WRNR-15, WRNR₂-15, WRNR-15A, WRNR₂-15A, WRER-15, WRER₂-15, WRER-15A, WRER₂15A, WRN-624, WRN-625, WRE-624, WRE-625, WRNR-12, WRER-12, WRNR₂-12, WRER₂-12, WRNR-13, WRNR₂-13, WRER-13, WRER₂-13,WRNR-14, WRNR_2-14, WRER14, WRER_2-14, WRN-631, WRN₂-631, WRNR-01, WRER-01, WRNR₂-01, WRER₂-01, WRN-130, WRN2-130, WRN-230, WRN2-230, WRN-330, WRN2-330, WRN2-430, WRN-430, WRE-130, WRE2-130,熱電偶 WRE-230, WRE2-230, WRE-330, WRE2-330, WRE-430, WRE2-430, WREK-1313, WREK-1314, WREK-1315, WREK-1316, WREK-1323, WREK-1324, WREK-1325, WREK-1326, WRNK-1313, WRNK-1314, WRNK-1315, WRNK-1316, WRNK-1323, WRNK-1324, WRNK-1325, WRNK-1326, WRN-001, WRE-001. WRN-002, WRE-002, WRN-235T, WRN₂-235T, WRE-235T, WRE₂-235T, WRN-130-F, WRN-230-F, WRN-330-F, WRN-430-F, WRN₂-130-F, WRN₂-330-F, WRN₂-430-F, WRE-130-F, WRE-230-F, WRE-330-F, WRE-430-F,WRE₂-130-F,WRE₂-230-F,WRE₂-330-F.WRE₂-430-F.WRN-130（*）,WRN-230（*）,WN-330（*）,WN-430（*）.,WRNN₂-130（*）,WNN₂-230（*）,WRNN₂-330（*）,WNN₂-430（*）,WREN-130, WREN-230, WREN-330, WREN-430, WREN₂-130, WREN₂-230, WREN₂-330, WREN₂-430, WRNN-530（*）,WRNN₂-530（*）,WREN-530,WREN₂-530,WRNN-631（*）,WRNN₂-631（*）,WREN-631, WREN₂-631, WRN-12B, WRE-12B, WRN₂-12B, 裝配式熱電偶WRE₂-12B, WRN-13B, WRE-13B, WRN₂-13B, WRE₂-13B, WRN-14B, WRE-14B, WRN₂-14B, WRE₂-14B, WRN-15B, WRE-15B, WRN₂-15B, WRE₂-15B, WRN-15AB, WRE-15AB, WRN₂-15AB, WRE₂-15AB, WRN-4318, WRE-4318,,WN₂-4318, WRE₂-4318, WRN-43C, WRE-43C, WRN₂-43C, WRE₂-43C, WRR-120, WRR-121, WRR₂-120, WRR₂-121, WRP-120, WRP-121, WRP₂-120,,