Specially produces industrial thermocouple, thermo resistance series, and double metal thermometer series
Tel:+86-577-62316858
Fax:+86-577-62325879
 
Specially produces industrial thermocouple, thermo resistance series, and double metal thermometer series
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 Location: Home >> Product>>Standard Fittings for Thermocouple and Thermal Resistance

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General knowledge of explosion-proof

 
1.Group of explosion-proof
  Explosion-proof codes: Intrinsic safety(Ex ia.ib)
No sparking(Ex n)
Increased Safety (Ex e)
   

2.Classification of electric equipment
—The electric equipments used in coal mine
— The electric equipments used in factory
3.Temperature Class
Temperature of explosion-proof thermocouple and thermal resistance can be categorized into 6 classes T1~T6 according to the highest surface temp of exposed parts.

 

 

4.(IP) Ingress Protection Rating
 

First Numeral
Protection against ingress of solid foreign bodies

Second Numeral
Protection of the equipment inside the enclosure
against harmful ingress of water
Example: IP65= Dust tight and protected against water jets
  Nore:
 1 Thermocouple Series
 2 Thermal Resistance Series
 3 Standard Fittings for Thermocouple and Thermal Resistance
 4 Special Type
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Tel:+86-577-62316858 Fax:+86-577-62325879 Add: No. E-1 West Industrial Zone, Hongqiao Town, Yueqing City, Zhejiang Province, China
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