| Product name: | WRK系列铠装热电偶 | ||||||
| specification: | ![]() |
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| Category: | instrumentation and meters -- 热电偶 | ||||||
| Price: | factory price | ||||||
| Brand: | Shanghai | ||||||
| Place of Origin: | China | ||||||
| Available Quantity: | batch | ||||||
| delivery cycle: | Spot goods (or inquire by telephone) | ||||||
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类别 |
代号 |
分度号 |
套管外径 mm |
常用温度 ℃ |
最高使用温度 ℃ |
允许偏差△t | |
|
测温范围℃ |
允差值 | ||||||
|
镍铬-铜镍 |
WREK |
E |
≥ø3 |
600 |
700 |
0~700 |
±2.5℃或±0.75%t |
|
镍铬-镍硅 |
WRNK |
K |
≥ø3 |
800 |
950 |
0~900 |
±2.5℃或±0.75%t |
|
铜-铜镍 |
WRCK |
I |
≥ø3 |
350 |
400 |
<-200 |
示作规定 |
|
-40—350 |
±1℃或±0.75%t | ||||||
|
热响应时间T0.5s |
接壳式 |
绝缘式 |
|
套管直径(min) | ||
|
2.0 |
0.4 |
0.5 |
|
3.0 |
0.6 |
1.2 |
|
4.0 |
0.8 |
2.5 |
|
5.0 |
1.2 |
4.0 |
|
6.0 |
2.0 |
6.0 |
|
8.0 |
4.0 |
8.0 |
绝缘电阻
当周围空气温度为20±15℃,相对湿度不大于80%时,绝缘型铠装
电偶的偶丝与外套管之间的绝缘电阻值应符合下表的规定。