一、應(yīng)用
通常和顯示儀表、記錄儀表、電子計(jì)算機(jī)等配套使用。直接測(cè)量各種生產(chǎn)過(guò)程中0~1300℃范圍內(nèi)的液體、蒸汽和氣體介質(zhì)以及固體表面溫度。
二、特點(diǎn)
1、裝配簡(jiǎn)單,更換方便;
 2、壓簧式感溫元件,抗振性能好;
 3、測(cè)量范圍大;
 4、機(jī)械強(qiáng)度高,耐壓性能好;
三、工作原理
熱電偶的電極由兩根不同導(dǎo)體材質(zhì)組成。當(dāng)測(cè)量端與參比端存在溫差時(shí),就會(huì)產(chǎn)生熱電勢(shì),工作儀表便顯示出熱電勢(shì)所對(duì)應(yīng)的溫度值?!?/p>
四、主要技術(shù)參數(shù)
1、產(chǎn)品執(zhí)行標(biāo)準(zhǔn)
 IEC584
 IEC1515
 GB/T16839-1997
 JB/T5582-91
2、常溫絕緣電阻
熱電偶在環(huán)境溫度為20±15℃,相對(duì)濕度不大于80%,試驗(yàn)電壓為500±50V(直流)電極與外套管之間的絕緣電阻≥100MΩ.m。
3、測(cè)量范圍及允差
型號(hào)  | 分度號(hào)  | 允許誤差與偶材等級(jí)  | |||
I級(jí)  | II級(jí)  | ||||
允差值  | 測(cè)溫范圍℃  | 允差值  | 測(cè)溫范圍℃  | ||
WRN  | K  | ±1.5℃  | -40~+375  | ±2.5℃  | -40~+333  | 
±0.004│t│  | 375~1000  | ±0.0075│t│  | 333~1200  | ||
WRM  | N  | ±1.5℃  | -40~+375  | ±2.5℃  | -40~+333  | 
±0.004│t│  | 375~1000  | ±0.0075│t│  | 333~1200  | ||
WRE  | E  | ±1.5℃  | -40~+375  | ±1.5℃  | -40~+333  | 
±0.004│t│  | 375~800  | ±0.004│t│  | 333~900  | ||
WRF  | J  | ±1.5℃  | -40~+375  | ±1.5℃  | -40~+333  | 
±0.004│t│  | 375~750  | ±0.004│t│  | 333~750  | ||
WRC  | T  | ±1.5℃  | -40-~+125  | ±1℃  | -40~+333  | 
±0.004│t│  | 125~350  | ±0.0075│t│  | 133~350  | ||
WRP  | S  | ±1℃  | 0~+1100  | ±2.5℃  | 0~600  | 
±[1+0.003(t-1100)]  | 1100~1600  | ±0.0025│t│  | 600~1600  | ||
五、型號(hào)命名方法
W 溫度儀表  | |||||||
R 熱電偶 Z 熱電阻  | |||||||
感溫元件材料 分度號(hào) M鎳鉻硅-鎳硅 N N鎳鉻-鎳硅 K E鎳鉻-銅鎳 E F鐵-銅鎳 J C銅-銅鎳 T P鉑熱電阻 pt100 C銅熱電阻 Cu  | |||||||
安裝固定形式 1 無(wú)固定裝置 2 固定螺紋 3 活動(dòng)法蘭 4 固定法蘭 5 活絡(luò)管接頭式 6 固定螺紋錐形保護(hù)管式 7 直行管接頭式 8 固定螺紋管接頭式 9 活動(dòng)螺紋管接頭式  | |||||||
接線盒形式 2 防噴式 3 防水式  | |||||||
保護(hù)管直徑 0 Φ16(其他規(guī)格直徑需備注) 1 Φ20(Φ12) 2 Φ20高鋁質(zhì)管 3 Φ25高鋁質(zhì)管  | |||||||
工作端形式 G 變截面  | |||||||
W  | R  | N  | 2  | 3  | 0  | G  | 典型型號(hào)示例  | 
六、型號(hào)規(guī)格
1、無(wú)固定裝置熱電偶
型號(hào)  | 分度號(hào)  | 測(cè)溫范圍℃  | 熱響應(yīng)時(shí)間  | 保護(hù)管材質(zhì)  | 規(guī)格  | |
D  | L*l  | |||||
WRM-120 WRM-130  | N  | 0-800  | <60s  | 1Cr18Ni9Ti  | Φ16  | 300*150 350*200 400*250 450*300 500*350 650*500 1150*1000 1650*1500 2150*2000  | 
WRM2-120 WRM2-130  | 0-1000  | 0Cr25Ni20  | ||||
WRM-120G WRM-130G  | 0-800  | <24s  | 1Cr18Ni9Ti  | |||
WRM2-120G WRM2-130G  | 0-1000  | 0Cr25Ni20  | ||||
WRN-120 WRN-130  | K  | 0-800  | <60s  | 1Cr18Ni9Ti  | ||
WRN2-120 WRN2-130  | 0-1000  | 0Cr25Ni20  | ||||
WRN-120G WRN-130G  | 0-800  | <24s  | 1Cr18Ni9Ti  | |||
WRN2-120G WRN2-130G  | 0-1000  | 0Cr25Ni20  | ||||
WRE-120 WRE-130  | E  | 0-700  | <60s  | 1Cr18Ni9Ti  | ||
WRE2-120 WRE2-130  | ||||||
WRE-120G WRE-130G  | <24s  | |||||
WRE2-120G WRE2-130G  | ||||||
WRC-120 WRC-130  | T  | 0-350  | <60s  | 1Cr18Ni9Ti  | ||
WRC2-120 WRC2-130  | ||||||
WRC-120G WRC-130G  | <24s  | |||||
WRC2-120G WRC2-130G  | ||||||
WRF-120 WRF-130  | J  | 0-600  | <60s  | 1Cr18Ni9Ti  | ||
WRF2-120 WRF2-130  | ||||||
WRF-120G WRF-130G  | <24s  | |||||
WRF2-120G WRF2-130G  | ||||||
WRM-121 WRM-131  | N  | 0-800  | <90s  | 1Cr18Ni9Ti  | Φ20  | |
WRM2-121 WRM2-131  | 0-1000  | 0Cr25Ni20  | ||||
WRM-121G WRM-131G  | 0-800  | <24s  | 1Cr18Ni9Ti  | |||
WRM2-121G WRM2-131G  | 0-1000  | 0Cr25Ni20  | ||||
WRN-121 WRN-131  | K  | 0-800  | <90s  | 1Cr18Ni9Ti  | ||
WRN2-121 WRN2-131  | 0-1000  | 0Cr25Ni20  | ||||
WRN-121G WRN-131G  | 0-800  | <24s  | 1Cr18Ni9Ti  | |||
WRN2-121G WRN2-131G  | 0-1000  | 0Cr25Ni20  | ||||
WRE-121 WRE-131  | E  | 0-700  | <90s  | 1Cr18Ni9Ti  | ||
WRE2-121 WRE2-131  | ||||||
WRE-121G WRE-131G  | <24s  | |||||
WRE2-121G WRE2-131G  | ||||||
WRC-121 WRC-131  | T  | 0-350  | <90s  | 1Cr18Ni9Ti  | ||
WRC2-121 WRC2-131  | ||||||
WRC-121G WRC-131G  | <24s  | |||||
WRC2-121G WRC2-131G  | ||||||
WRF-121 WRF-131  | J  | 0-600  | <90s  | 1Cr18Ni9Ti  | ||
WRF2-121 WRF2-131  | ||||||
WRF-121G WRF-131G  | <24s  | |||||
WRF2-121G WRF2-131G  | ||||||
注:1)、如需其余材質(zhì)的保護(hù)管可以協(xié)議訂貨。
2)、變截面型式的熱電偶內(nèi)配鎧裝元件。
2、固定螺紋熱電偶
型號(hào)  | 分度號(hào)  | 測(cè)溫范圍℃  | 熱響應(yīng)時(shí)間  | 保護(hù)管材質(zhì)  | 規(guī)格  | |
D  | L*l  | |||||
WRM-220 WRM-230  | N  | 0-800  | <60s  | 1Cr18Ni9Ti  | Φ16  | 300*150 350*200 400*250 450*300 500*350 650*500 1150*1000 1650*1500 2150*2000  | 
WRM2-220 WRM2-230  | 0-1000  | 0Cr25Ni20  | ||||
WRM-220G WRM-230G  | 0-800  | <24s  | 1Cr18Ni9Ti  | |||
WRM2-220G WRM2-230G  | 0-1000  | 0Cr25Ni20  | ||||
WRN-220 WRN-230  | K  | 0-800  | <60s  | 1Cr18Ni9Ti  | ||
WRN2-220 WRN2-230  | 0-1000  | 0Cr25Ni20  | ||||
WRN-220G WRN-230G  | 0-800  | <24s  | 1Cr18Ni9Ti  | |||
WRN2-220G WRN2-230G  | 0-1000  | 0Cr25Ni20  | ||||
WRE-220 WRE-230  | E  | 0-700  | <60s  | 1Cr18Ni9Ti  | ||
WRE2-220 WRE2-230  | ||||||
WRE-220G WRE-230G  | <24s  | |||||
WRE2-220G WRE2-230G  | ||||||
WRC-220 WRC-230  | T  | 0-350  | <60s  | 1Cr18Ni9Ti  | ||
WRC2-220 WRC2-230  | ||||||
WRC-220G WRC-230G  | <24s  | |||||
WRC2-220G WRC2-230G  | ||||||
WRF-220 WRF-230  | J  | 0-600  | <60s  | 1Cr18Ni9Ti  | ||
WRF2-220 WRF2-230  | ||||||
WRF-220G WRF-230G  | <24s  | |||||
WRF2-220G WRF2-230G  | ||||||
WRM-221 WRM-231  | N  | 0-800  | <90s  | 1Cr18Ni9Ti  | Φ20  | |
WRM2-221 WRM2-231  | 0-1000  | 0Cr25Ni20  | ||||
WRM-221G WRM-231G  | 0-800  | <24s  | 1Cr18Ni9Ti  | |||
WRM2-221G WRM2-231G  | 0-1000  | 0Cr25Ni20  | ||||
WRN-221 WRN-231  | K  | 0-800  | <90s  | 1Cr18Ni9Ti  | ||
WRN2-221 WRN2-231  | 0-1000  | 0Cr25Ni20  | ||||
WRN-221G WRN-231G  | 0-800  | <24s  | 1Cr18Ni9Ti  | |||
WRN2-221G WRN2-231G  | 0-1000  | 0Cr25Ni20  | ||||
WRE-221 WRE-231  | E  | 0-700  | <90s  | 1Cr18Ni9Ti  | ||
WRE2-221 WRE2-231  | ||||||
WRE-221G WRE-231G  | <24s  | |||||
WRE2-221G WRE2-231G  | ||||||
WRC-221 WRC-231  | T  | 0-350  | <90s  | 1Cr18Ni9Ti  | ||
WRC2-221 WRC2-231  | ||||||
WRC-221G WRC-231G  | <24s  | |||||
WRC2-221G WRC2-231G  | ||||||
WRF-221 WRF-231  | J  | 0-600  | <90s  | 1Cr18Ni9Ti  | ||
WRF2-221 WRF2-231  | ||||||
WRF-221G WRF-231G  | <24s  | |||||
WRF2-221G WRF2-231G  | ||||||
注:1)、如需其余材質(zhì)的保護(hù)管可以協(xié)議訂貨。
2)、變截面型式的熱電偶內(nèi)配鎧裝元件。
3)、保護(hù)管直徑及長(zhǎng)度可根據(jù)客戶要求定制。
3、活動(dòng)法蘭熱電偶
型號(hào)  | 分度號(hào)  | 測(cè)溫范圍℃  | 熱響應(yīng)時(shí)間  | 保護(hù)管材質(zhì)  | 規(guī)格  | |
D  | L*l  | |||||
WRM-320 WRM-330  | N  | 0-800  | <60s  | 1Cr18Ni9Ti  | Φ16  | 300 350 400 450 500 650 1150 1650 2150  | 
WRM2-320 WRM2-330  | 0-1000  | 0Cr25Ni20  | ||||
WRM-320G WRM-330G  | 0-800  | <24s  | 1Cr18Ni9Ti  | |||
WRM2-320G WRM2-330G  | 0-1000  | 0Cr25Ni20  | ||||
WRN-320 WRN-330  | K  | 0-800  | <60s  | 1Cr18Ni9Ti  | ||
WRN2-320 WRN2-330  | 0-1000  | 0Cr25Ni20  | ||||
WRN-320G WRN-330G  | 0-800  | <24s  | 1Cr18Ni9Ti  | |||
WRN2-320G WRN2-330G  | 0-1000  | 0Cr25Ni20  | ||||
WRE-320 WRE-330  | E  | 0-700  | <60s  | 1Cr18Ni9Ti  | ||
WRE2-320 WRE2-330  | ||||||
WRE-320G WRE-330G  | <24s  | |||||
WRE2-320G WRE2-330G  | ||||||
WRC-320 WRC-330  | T  | 0-350  | <60s  | 1Cr18Ni9Ti  | ||
WRC2-320 WRC2-330  | ||||||
WRC-320G WRC-330G  | <24s  | |||||
WRC2-320G WRC2-330G  | ||||||
WRF-320 WRF-330  | J  | 0-600  | <60s  | 1Cr18Ni9Ti  | ||
WRF2-320 WRF2-330  | ||||||
WRF-320G WRF-330G  | <24s  | |||||
WRF2-320G WRF2-330G  | ||||||
WRM-321 WRM-331  | N  | 0-800  | <90s  | 1Cr18Ni9Ti  | Φ20  | |
WRM2-321 WRM2-331  | 0-1000  | 0Cr25Ni20  | ||||
WRM-321G WRM-331G  | 0-800  | <24s  | 1Cr18Ni9Ti  | |||
WRM2-321G WRM2-331G  | 0-1000  | 0Cr25Ni20  | ||||
WRN-321 WRN-331  | K  | 0-800  | <90s  | 1Cr18Ni9Ti  | ||
WRN2-321 WRN2-331  | 0-1000  | 0Cr25Ni20  | ||||
WRN-321G WRN-331G  | 0-800  | <24s  | 1Cr18Ni9Ti  | |||
WRN2-321G WRN2-331G  | 0-1000  | 0Cr25Ni20  | ||||
WRE-321 WRE-331  | E  | 0-700  | <90s  | 1Cr18Ni9Ti  | ||
WRE2-321 WRE2-331  | ||||||
WRE-321G WRE-331G  | <24s  | |||||
WRE2-321G WRE2-331G  | ||||||
WRC-321 WRC-331  | T  | 0-350  | <90s  | 1Cr18Ni9Ti  | ||
WRC2-321 WRC2-331  | ||||||
WRC-321G WRC-331G  | <24s  | |||||
WRC2-321G WRC2-331G  | ||||||
WRF-321 WRF-331  | J  | 0-600  | <90s  | 1Cr18Ni9Ti  | ||
WRF2-321 WRF2-331  | ||||||
WRF-321G WRF-331G  | <24s  | |||||
WRF2-321G WRF2-331G  | ||||||
注:1)、如需其余材質(zhì)的保護(hù)管可以協(xié)議訂貨。
2)、變截面型式的熱電偶內(nèi)配鎧裝元件。
3)、保護(hù)管直徑及長(zhǎng)度可根據(jù)客戶要求定制。
4、固定法蘭熱電偶
型號(hào)  | 分度號(hào)  | 測(cè)溫范圍℃  | 熱響應(yīng)時(shí)間  | 保護(hù)管材質(zhì)  | 規(guī)格  | |
D  | L*l  | |||||
WRM-420 WRM-430  | N  | 0-800  | <60s  | 1Cr18Ni9Ti  | Φ16  | 300*150 350*200 400*250 450*300 500*350 650*500 1150*1000 1650*1500 2150*2000  | 
WRM2-420 WRM2-430  | 0-1000  | 0Cr25Ni20  | ||||
WRM-420G WRM-430G  | 0-800  | <24s  | 1Cr18Ni9Ti  | |||
WRM2-420G WRM2-430G  | 0-1000  | 0Cr25Ni20  | ||||
WRN-420 WRN-430  | K  | 0-800  | <60s  | 1Cr18Ni9Ti  | ||
WRN2-420 WRN2-430  | 0-1000  | 0Cr25Ni20  | ||||
WRN-420G WRN-430G  | 0-800  | <24s  | 1Cr18Ni9Ti  | |||
WRN2-420G WRN2-430G  | 0-1000  | 0Cr25Ni20  | ||||
WRE-420 WRE-430  | E  | 0-700  | <60s  | 1Cr18Ni9Ti  | ||
WRE2-420 WRE2-430  | ||||||
WRE-420G WRE-430G  | <24s  | |||||
WRE2-420G WRE2-430G  | ||||||
WRC-420 WRC-430  | T  | 0-350  | <60s  | 1Cr18Ni9Ti  | ||
WRC2-420 WRC2-430  | ||||||
WRC-420G WRC-430G  | <24s  | |||||
WRC2-420G WRC2-430G  | ||||||
WRF-420 WRF-430  | J  | 0-600  | <60s  | 1Cr18Ni9Ti  | ||
WRF2-420 WRF2-430  | ||||||
WRF-420G WRF-430G  | <24s  | |||||
WRF2-420G WRF2-430G  | ||||||
WRM-421 WRM-431  | N  | 0-800  | <90s  | 1Cr18Ni9Ti  | Φ20  | |
WRM2-421 WRM2-431  | 0-1000  | 0Cr25Ni20  | ||||
WRM-421G WRM-431G  | 0-800  | <24s  | 1Cr18Ni9Ti  | |||
WRM2-421G WRM2-431G  | 0-1000  | 0Cr25Ni20  | ||||
WRN-421 WRN-431  | K  | 0-800  | <90s  | 1Cr18Ni9Ti  | ||
WRN2-421 WRN2-431  | 0-1000  | 0Cr25Ni20  | ||||
WRN-421G WRN-431G  | 0-800  | <24s  | 1Cr18Ni9Ti  | |||
WRN2-421G WRN2-431G  | 0-1000  | 0Cr25Ni20  | ||||
WRE-421 WRE-431  | E  | 0-700  | <90s  | 1Cr18Ni9Ti  | ||
WRE2-421 WRE2-431  | ||||||
WRE-421G WRE-431G  | <24s  | |||||
WRE2-421G WRE2-431G  | ||||||
WRC-421 WRC-431  | T  | 0-350  | <90s  | 1Cr18Ni9Ti  | ||
WRC2-421 WRC2-431  | ||||||
WRC-421G WRC-431G  | <24s  | |||||
WRC2-421G WRC2-431G  | ||||||
WRF-421 WRF-431  | J  | 0-600  | <90s  | 1Cr18Ni9Ti  | ||
WRF2-421 WRF2-431  | ||||||
WRF-421G WRF-431G  | <24s  | |||||
WRF2-421G WRF2-431G  | ||||||
注:1、如需其余材質(zhì)的保護(hù)管可以協(xié)議訂貨。
2、變截面型式的熱電偶內(nèi)配鎧裝元件。
3、保護(hù)管直徑及長(zhǎng)度可根據(jù)客戶要求定制。
5、固定螺紋錐形保護(hù)管熱電偶
型號(hào)  | 分度號(hào)  | 測(cè)溫范圍℃  | 熱響應(yīng)時(shí)間  | 保護(hù)管材質(zhì)  | 規(guī)格  | |
d  | l  | |||||
WRM-630  | N  | 0-1000  | <90s  | 1Cr18Ni9Ti  | Φ16  | 200 400 500 750 1000  | 
WRN-630  | K  | <90s  | ||||
WRE-630  | E  | 0-700  | <90s  | |||
WRC-630  | T  | 0-350  | <90s  | |||
WRF-630  | J  | 0-600  | <90s  | |||
6、活絡(luò)管接頭式熱電偶
型號(hào)  | 分度號(hào)  | 測(cè)溫范圍℃  | 螺紋規(guī)格  | 保護(hù)管材質(zhì)  | 規(guī)格  | |
d  | l  | |||||
WRM-53  | N  | 0-1000  | M20*1.5  | 1Cr18Ni9Ti  | Φ16  | 150 200 250 300 350 400 450 500 750 1000  | 
WRM-53A  | NPT1/2  | |||||
WRN-53  | K  | M20*1.5  | ||||
WRN-53A  | NPT1/2  | |||||
WRE-53  | E  | 0-700  | M20*1.5  | |||
WRE-53A  | NPT1/2  | |||||
WRC-53  | T  | 0-350  | M20*1.5  | |||
WRC-53A  | NPT1/2  | |||||
WRF-53  | J  | 0-600  | M20*1.5  | |||
WRF-53A  | NPT1/2  | |||||
7、直形管接頭式熱電偶
型號(hào)  | 分度號(hào)  | 測(cè)溫范圍℃  | 螺紋規(guī)格  | 保護(hù)管材質(zhì)  | 規(guī)格  | |
d  | l  | |||||
WRM-73  | N  | 0-1000  | M20*1.5  | 1Cr18Ni9Ti  | Φ16  | 150 200 250 300 350 400 450 500 750 1000  | 
WRM-73A  | NPT1/2  | |||||
WRN-73  | K  | M20*1.5  | ||||
WRN-73A  | NPT1/2  | |||||
WRE-73  | E  | 0-700  | M20*1.5  | |||
WRE-73A  | NPT1/2  | |||||
WRC-73  | T  | 0-350  | M20*1.5  | |||
WRC-73A  | NPT1/2  | |||||
WRF-73  | J  | 0-600  | M20*1.5  | |||
WRF-73A  | NPT1/2  | |||||
8、固定螺紋管接頭式熱電偶
型號(hào)  | 分度號(hào)  | 測(cè)溫范圍℃  | 螺紋規(guī)格  | 保護(hù)管材質(zhì)  | 規(guī)格  | |
d  | l  | |||||
WRM-83  | N  | 0-1000  | M20*1.5  | 1Cr18Ni9Ti  | Φ16  | 150 200 250 300 350 400 450 500 750 1000  | 
WRM-83A  | NPT1/2  | |||||
WRN-83  | K  | M20*1.5  | ||||
WRN-83A  | NPT1/2  | |||||
WRE-83  | E  | 0-700  | M20*1.5  | 1Cr18Ni9Ti  | ||
WRE-83A  | NPT1/2  | |||||
WRC-83  | T  | 0-350  | M20*1.5  | 1Cr18Ni9Ti  | ||
WRC-83A  | NPT1/2  | |||||
WRF-83  | J  | 0-600  | M20*1.5  | 1Cr18Ni9Ti  | ||
WRF-83A  | NPT1/2  | |||||
9、活動(dòng)螺紋管接頭式熱電偶/阻
型號(hào)  | 分度號(hào)  | 測(cè)溫范圍℃  | 螺紋規(guī)格  | 保護(hù)管材質(zhì)  | 規(guī)格  | |
d  | l  | |||||
WRM-93  | N  | 0-1000  | M20*1.5  | 1Cr18Ni9Ti  | Φ16  | 150 200 250 300 350 400 450 500 750 1000  | 
WRM-93A  | NPT1/2  | |||||
WRN-93  | K  | M20*1.5  | ||||
WRN-93A  | NPT1/2  | |||||
WRE-93  | E  | 0-700  | M20*1.5  | 1Cr18Ni9Ti  | ||
WRE-93A  | NPT1/2  | |||||
WRC-93  | T  | 0-350  | M20*1.5  | 1Cr18Ni9Ti  | ||
WRC-93A  | NPT1/2  | |||||
WRF-93  | J  | 0-600  | M20*1.5  | 1Cr18Ni9Ti  | ||
WRF-93A  | NPT1/2  | |||||
注:1、如無(wú)特殊約定,L僅為參考尺寸,熱電偶/熱電阻的插深應(yīng)按照熱安裝套管U尺寸計(jì)算;
2、元件為彈性鎧裝式元件,對(duì)于熱電阻元件Φ3只適用于單支元件。

