Application
The assembly series normally cooperates with display instrument,recording instrument and computer,etc. to directly measure temperature of liquid,gas,steam and solid which contains explosives like hydrocarbon among 0℃~1300℃ during production process.
Features
1. Various explosion-proof type,reliable explosion-proof performance.
2. Wide measuring range.
3. High mechanical strength and pressure-resistance ability.
Operation Theory
Explosion-proof thermocouple is designed based on gap explosion-proof principle. It has components such as junction box with enough strength to seal all parts which might cause spark, electric arc and dangerous temperature inside. When inside explosion occurs, extinct and cool by junction clearance to avoid releasing of flame and high temperature to realize explosion suppression.
Insulation Resistance at Normal Temperature
Insulation resistance between electrode and protection tube is no less than 500MΩ.m when environment temperature is 20±15℃,relative humidity is 8no more than 80% and testing voltage is 500±50V.
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