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(cè)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(cè)量溫度的。當(dāng)阻值變化時(shí)，工作儀表便顯示出阻值所對(duì)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(duì)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(cè)量范圍及允差

型  號(hào)	分 度 號(hào)	測(cè)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(cè)量端結(jié)構(gòu)形式

 

 

型號(hào)命名方式

化工熱電偶WREM-102A, WRNM-201A, WRNM-203A WRNN-436, WRNN₂-436, WRN-420B, WRN-430B, WRN₂-420B, WRN₂-430B, WRE-420B, WRE-430B, WRE₂-420B, WRE₂-430B, WRN-420C, WRN-430C, WRN₂-420C, WRN₂-430C, WRE-420C, WRE-430C, WRE₂-420C,. WRE₂-430C, WRN-420D, WRN-430D, WRN₂-420D, WRN₂-430D, WRE-420D, WRE-430D, WRE₂-420D, 可動(dòng)式熱電偶WRE₂-430D, WZP-420B, WZP-421B, WZP-430B, WZP-431B, WZP₂-420B, WZP₂-421B, WZP₂-430B, WZP₂-431B, WZC-420B, WZC-430B, WZP-420C, WZP-421C, WZP-430C, WZP-431C, WZP₂-420C, WZP₂-421C, WZP₂-430C, WZP₂-431C, WZC-420C, WZC-430C, WZP-420D, WZP-421D, WZP-430D, WZP-431D, WZP₂-420D, .WZP₂-421D, WZP₂-430D, WZP₂-431D, WZC-420D, WZC-430D.WRR-433Q, WRNR-93UC, WRER-93UC, WRNR2-93UC, WRER2-93UC, WRNT-001, WRNT₂-001, 耐腐、耐磨熱電偶WRET-001, WRET2-001, WRNR-01, WRER-01, WRNR₂-01, WRER₂-01, WRNR-12, WRER-12, WRNR₂-12, WRER₂-12, WRNR-13, WRER-13, WRNR₂-13. WRER₂-13. WRNR-14, WRER-14, WRNR₂-14, WRER₂-14, WRNR-15, WRER-15, WRNR2-15, WRER2-15, WRN-15A,. WRER-15A, WRNR₂-15A, WRER₂-15A, WRNT-31, WRET-31, WRNT₂-31, WRET₂-31, 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,RN₂-640A,WRE-640A,WRE₂-640A, .WRN-440A,RN₂-440A, WRE-440A,RE₂-440A, 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