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September  20 , 2021  Monday
Home> temperature meter >> thermocouple >> WRN-740Chemical Special Explosion-proof Thermocouple
  • Product number:MC-000013002948
  • Product name:Chemical Special Explosion-proof Thermocouple
  • Product Type:WRN-740
  • Product nameplate:SAIC
  • Project Category:temperature meter >> thermocouple >>
  • Manufacturer:Shanghai Automation Instrumentation Co., Ltd.
  • Sales unit: Shanghai Automation Instrumentation Marketing Center
  • Information download:Click to enter the download page  
  • Introduction
  • Specifications
As the temperature measure and control sensor, chemical special explosion-proof thermocouple is completed with display instrument to measure and control the gas, liquid and vapor temperature in production.
Our products are manufactured and designed according to "explosive environment, explosion-proof electrical equipment (GB3836) standard. Thermoelectric performance is line with international IEC standard and tested by the National Safety Supervision Station. The qualified NO. is GYB97172、GYB97173. It is the ideal temperature sensor in explosive environment.
for the fertilizer industry, its explosive level is not higher than the Ⅱ B-class, self-ignition temperature is not less than T4 (135 ℃).
type
Indexing No.
Range(℃)
Nominal pressure(Mpa)
Accuracy grade
Ni-Cr - Ni-Si
K
0~500
32
II
Nickel-chromium - copper-nickel
E
Explosion-proof mark
d
II
B
T4
explosion-proof type
For factory
Explosion-proof grade
Temperature group
Explosion-proof mark:dIIBT4
Enclosure protection class:IP54
model
WR□-□□□
W
Temperature Instrumentation
R
thermocouple
materials of Temperature components
installation
Junction Box Type
Design No.
 
 
E  Nickel-chromium - copper-nickel
N.Ni-Cr - Ni-Si
7  Connection Type
4  Explosion-proof type
O
Specification
item
model
Indexing
No.
Range℃
structure
Tube
material
specification
Nominal pressure Mpa
Explosion-proof grade
Length.L(mm)
Insert depthl(mm)
 
WRN-740
WRN2
K
0~500
Welding
20 No. steel
 
260
275
290
310
330
100
115
130
150
170
32
dIIBT4
WRE-740
WRE2
E