|
類别
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代号
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分度(dù)号
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套管外徑mm
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常用(yong)溫度℃
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最高使用溫(wēn)度℃
|
允許偏差
|
|
測量(liang)範圍℃
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允差值
|
|
鉑铑(lǎo)10-鉑
|
WRPK
|
S
|
≥Φ3
|
1100
|
1200
|
0-1200
|
±1.5℃或±1.5%t
|
|
鎳鉻-銅鎳
|
WREK
|
E
|
≥Φ3
|
600
|
700
|
0-700
|
±2.5℃或(huo)±0.75%t
|
|
鎳鉻-鎳矽
|
WRNK
|
K
|
≥Φ3
|
800
|
950
|
0-900
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±2.5℃或±0.75%t
|
|
銅-銅(tong)鎳
|
WRCK
|
T
|
≥Φ3
|
350
|
400
|
小于-200
|
未作規定(ding)
|
|
-40-350
|
±0.75%t
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|
鐵-銅鎳
|
WRFK
|
J
|
≥Φ3
|
500
|
600
|
0-600
|
±2.5℃或±0.75%t
|
|