E-type thermocouple WRE-131 nickel-chromium - constantan thermocouple

Nickel-chromium - copper-nickel thermocouple (E-type thermocouple), also known as nickel-chromium - constantan thermocouple, but also a cheap metal thermocouple, the positive (EP) is: 10 nickel-chromium alloy, chemical composition and KP same negative (EN) for the copper-nickel alloy, nominal chemical composition: 55% copper, 45% nickel and small amounts of manganese, cobalt, iron and other elements. The thermocouple temperature of -200 ~ 900 ℃. Large E-type thermocouple thermal emf, the high sensitivity of the case most of all thermocouples, should be made of thermopile to measure small changes in temperature. For high-humidity atmosphere corrosion less sensitive, it should be used in high humidity environments. E thermocouple also has good stability, oxidation resistance than copper - constantan, iron - constantan thermocouple, cheap, etc., it can be used for oxidizing and inert atmosphere, widespread use for the user. E-type thermocouple can not be used directly in the hot sulfur, reducing atmosphere, thermopower poor uniformity main technical parameters Product performance standards IEC584 GB / T16839-1997 JB / T5582-1991 Ordering: 1. indicate Thermoelectric Even models, indexing number, temperature. 2. The thermocouple protection tube diameter and length. 3. Fasteners, flange means for providing size. Company name; Hayward blue Instrument Co., Ltd. Contact: Zhou Jianhua Tel: 0572-6069899 Mobile: 13867297390 Fax: 0572-6600672 Company Website: WWW.shwol .com E-mail: shwol1@126.com