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所有分类－工业类传感器－铠装热电偶－允差和应用标准对照表
热电偶允差与应用标准对照表
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JIS C1605
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IEC 584-2
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ASTM E230
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测温范围
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等级
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允差
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测温范围
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等级
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允差
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测温范围
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等级
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允差
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SN SK
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-40℃~+375℃
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1
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±1.5
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N K
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-40℃~+375℃
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1
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±1.5
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+0℃~+1260℃
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普通级
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±2.2℃~
±0.75%
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+375℃~+1000℃
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±0.004 |t|
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+375℃~+1000℃
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±0.004 |t|
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-40℃~+333℃
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2
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±0.0075 |t|
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-40℃~+333℃
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2
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±0.0075 |t|
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精密级
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±1.1℃~
±0.4%
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+333℃~+1200℃
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±2.5
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+333℃~+1200℃
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±2.5
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-167℃~+40℃
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3
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±0.015 |t|
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-167℃~+40℃
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3
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±0.015 |t|
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-200℃~0℃
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普通级
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±2.2℃~
±2%
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-200℃~-167℃
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±2.5
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-200℃~-167℃
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±2.5
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SE
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-40℃~
+375℃
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1
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±1.5
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E
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-40℃~+375℃
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1
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±1.5
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+0℃~+870℃
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普通级
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±1.7℃~
±0.5%
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+375℃~+800℃
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±0.004 |t|
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+375℃~+800℃
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±0.004 |t|
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-40℃~+333℃
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2
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±0.0075 |t|
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-40℃~+333℃
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2
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±0.0075 |t|
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精密级
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±1℃~
±0.4%
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+333℃~+900℃
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±2.5
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+333℃~+900℃
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±2.5
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-167℃~+40℃
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3
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±0.015 |t|
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-167℃~+40℃
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3
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±0.015 |t|
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-200℃~0℃
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普通级
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±1.7℃~
±1%
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-200℃~-167℃
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±2.5
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-200℃~-167℃
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±2.5
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SJ
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-40℃~+375℃
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1
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±1.5
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J
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-40℃~+375℃
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1
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±1.5
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+0℃~+760℃
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普通级
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±2.2℃~
±0.75%
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+375℃~+750℃
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±0.004 |t|
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+375℃~+750℃
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±0.004 |t|
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-40℃~+333℃
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2
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±0.0075 |t|
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-40℃~+333℃
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2
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±0.0075 |t|
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精密级
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±1.1℃~
±0.4%
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+333℃~+750℃
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±2.5
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+333℃~+750℃
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±2.5
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ST
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-40℃~+125℃
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1
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±0.5
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T
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-40℃~+125℃
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1
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±0.5
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+0℃~+370℃
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普通级
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±1℃~
±0.75%
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+125℃~+350℃
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±0.004 |t|
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+125℃~+350℃
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±0.004 |t|
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-40℃~+133℃
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2
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±0.0075 |t|
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-40℃~+133℃
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2
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±0.0075 |t|
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精密级
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±0.5℃~
±0.4%
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+133℃~+350℃
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±1.0
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+133℃~+350℃
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±1.0
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-67℃~+40℃
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3
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±0.015 |t|
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67℃~+40℃
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3
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±0.015 |t|
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-200℃~
0℃
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普通级
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±1℃~
±1.5%
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-200℃~-67℃
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±1.0
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-200℃~-67℃
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±1.0
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(1) 允差是指测量端温度与从电动势表查得温度之间的最大允许偏差。
(2) ASTM允差用测得温度的℃或%数值表示，取较大值。
(3) I t I表示测得温度的绝对值,无正负号,单位为℃。
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