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产品型号: WRER2-15
所属分类:装配式热电偶
产品时间:2024-07-16
简要描述:WRER2-15|低温低压热电偶常温绝缘电阻的试验电压为直流500V。测量常温绝缘电阻的大气条件为:温度15~35℃,相对湿度45%,大气压力86~106Kpa。对于长度超过1米的热电偶,它的常温绝缘电阻值与其长度的乘积不小于100兆欧·米
类别
|
代号
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分度号
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测温范围℃
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精度等级
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允许偏差△t
|
镍铬-镍硅
|
WRNT
|
K
|
0-800
|
I
|
±1.5℃或±0.004∣t∣
|
II
|
±2.5℃或±0.0075∣t∣
|
||||
镍铬-铜镍
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WRET
|
E
|
0-600
|
I
|
±1.5℃或±0.004∣t∣
|
II
|
±2.5℃或±0.0075∣t∣
|
||||
铜-铜镍
|
WRCT
|
T
|
-40-350
|
I
|
±0.5℃或±0.004∣t∣
|
II
|
±1℃或±0.75%t
|
||||
铂电阻
|
WZPT
|
Pt100
|
-200-500
|
*
|
±(0.15+0.002∣t∣)
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B级
|
±(0.30+0.005∣t∣)
|
||||
铜电阻
|
WZCT
|
Cu50
|
-50-100
|
II
|
±(0.30+6.0X10
-3t)
|