类别 |
代号 |
分度号 |
测温范围℃ |
精度等级 |
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 |
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 |
A级 |
±(0.15 0.002∣t∣) |
B级 |
±(0.30 0.005∣t∣) |
||||
铜电阻 |
WZCT |
Cu50 |
-50-100 |
II |
±(0.30 6.0X10-3t) |
注:“t”为感温元件实测温度,对于铂电阻和铜电阻则为感温元件实测温度的绝对值。