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type |
model |
Indexing No. |
Range(℃) |
Accuracy grade |
Allowable error △t |
Ni-Cr-Nickel Silicon |
WRNT |
K |
0-800 |
I |
±1.5℃ or ±0.004∣t∣ |
II |
±2.5℃ or ±0.0075∣t∣ | ||||
Ni-Cr-Copper-nickel |
WRET |
E |
0-600 |
I |
±1.5℃or ±0.004∣t∣ |
II |
±2.5℃or ±0.0075∣t∣ | ||||
copper-Copper-nickel |
WRCT |
T |
-40-350 |
I |
±0.5℃or ±0.004∣t∣ |
II |
±1℃or ±0.75%t | ||||
Platinum resistance |
WZPT |
Pt100 |
-200-500 |
A grade |
±(0.15+0.002∣t∣) |
B grade |
±(0.30+0.005∣t∣) | ||||
Copper resistance |
WZCT |
Cu50 |
-50-100 |
II |
±(0.30+6.0X10-3t) |