1、天康手持式熱電偶特點(diǎn)
熱響應(yīng)時(shí)間少,減小動(dòng)態(tài)誤差;
可彎曲安裝使用;
測量范圍大;
機(jī)械強(qiáng)度高,耐壓性能好;
2、天康手持式熱電偶工作原理
鎧裝熱電偶的電極由兩根不同導(dǎo)體材質(zhì)組成。當(dāng)測量端與參比端存在溫差時(shí),就會(huì)產(chǎn)生熱電勢,工作儀表便顯示出熱電勢所對(duì)應(yīng)的溫度值。
3、主要技術(shù)參數(shù)
產(chǎn)品執(zhí)行標(biāo)準(zhǔn)
IEC584
IEC1515
GB/T16839-1997
JB/T5582-91
4、測量范圍及允差
型號(hào) | 分度號(hào) | 允差等級(jí) | |||
I | II | ||||
允差值 | 測溫范圍°C | 允差值 | 測溫范圍°C | ||
WRNK | K | ±1.5°C | -40~+375 | ±2.5°C | -40~+333 |
±0.004ltl | 375~1000 | ±0.0075ltl | 333~1200 | ||
WRMK | N | ±1.5°C | -40~+375 | ±2.5°C | -40~+333 |
±0.004ltl | 375~1000 | ±0.0075ltl | 333~1200 | ||
WREK | E | ±1.5°C | -40~+375 | ±1.5°C | -40~+333 |
±0.004ltl | 375~800 | ±0.004ltl | 333~900 | ||
WRFK | J | ±1.5°C | -40~+375 | ±1.5°C | -40~+333 |
±0.004ltl | 375~750 | ±0.004ltl | 333~750 | ||
WRCK | T | ±1.5°C | -40~+125 | ±1°C | -40~+133 |
±0.004ltl | 125~350 | ±0.0075ltl | 133~1000 | ||
WRPK | S | ±1°C | 0~+1100 | ±2.5°C | 0~600 |
±[0.003(t-1100)] | 1100~1600 | ±0.0025ltl |
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