Type E Thermocouple Bare alloy Wire
NiCr- CuNi thermocouple (type E) is also named NiCr-Constantan thermocouple.. It has a stronger signal & higher accuracy than the Type K or Type J at moderate temperature ranges of 1,000F and lower. The type E is also more stable than the type K, which adds to its accuracy.
Type E thermocouple has the largest EMF output and highest sensitivity, so it is ideal for measuring small temperature change. It also has good stability in the low temperature range up to 300℃, and good property of anti-corrosion in humidity atmosphere. It is recommended for oxidizing or inert atmospheres, but cannot be used directly in reducing atmosphere and atmosphere with sulphur gases
Type E chemical composition:
Positive leg NiCr (EP) is Ni: Cr≈90:10; negative leg Constantan (EN) isCu: Ni≈ 55%: 45%
Type E Temperature Range:
(1)Thermocouple grade wire, -200~900 ℃(for short term) and 0~750℃( for long term)
(2)Extension wire, 32 to 392F (0 to 200C)
Type E Tolerance :
Standard: ±1.5℃/±0.4%t
Working temperature:
| Diameter/mm | Long time temperature ℃ | Short period temperature ℃ |
| 0.3,0.5 | 350 | 450 |
| 0.8,1.0,1.2 | 450 | 550 |
| 1.6,2.0 | 550 | 650 |
| 2.5 | 650 | 750 |
| 3.2 | 750 | 900 |
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