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常用热电偶测温范围及允差 |
热偶类型 |
分度号 |
I级 |
II级 |
测温范围 |
允差℃ |
测温范围 |
允差℃ |
镍铬-镍硅 |
K |
-40~375℃ |
±1.5℃ |
-40~333℃ |
±2.5℃ |
375~1000℃ |
±0.4%t |
333~1200℃ |
±0.75%t |
镍铬-康铜 |
E |
-40~375℃ |
±1.5℃ |
-40~333℃ |
±2.5℃ |
375~800℃ |
±0.4%t |
333~900℃ |
±0.75%t |
镍铬硅-镍硅镁 |
N |
-40~375℃ |
±1.5℃ |
-40~333℃ |
±2.5℃ |
375~1000℃ |
±0.4%t |
333~1200℃ |
±0.75%t |
铜-康铜 |
T |
-40~125℃ |
±0.5℃ |
-40~133℃ |
±1℃ |
125~250℃ |
±0.4%t |
133~350℃ |
±0.75%t |
铁-康铜 |
J |
-40~375℃ |
±1.5℃ |
-40~333℃ |
±2.5℃ |
375~750℃ |
±0.4%t |
333~750℃ |
±0.75%t |
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