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Home> temperature meter >> thermocouple >> WRR-121B assembly-type stainless steel junction box thermocouple
  • Product number:MC-000013006761
  • Product name:assembly-type stainless steel junction box thermocouple
  • Product Type:WRR-121B
  • 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 sensor of the temperature measurement, assembly-type stainless steel junction box thermocouple is used with displays, recorders and electrical adjuster completely. It can measure the temperature of liquid, vapor, gas and the surface of solid from 0℃ to 1800℃ directly. According to national regulation, we have manufactured copper- copper nickel, iron-copper nickel etc. type of thermocouple since 1987. They are all not only in line of IEC international standard graduation but also JB/T9238-1999 standard.
Thermocouple without fixed device (Ceram protective pipe)   

Thermocouple category
Model
Graduation
Temperature measuring range℃
Specification
Thermal response time τ0.5s
Diameter
mm
Protection tube material
Single platinum rhodium30-platinum rhodium 6
WRR-120B
 
 
 
B
 
 
 
0-1600
Φ16
Corundum
＜150
WRR-121B
Φ25
＜360
Double platinum rhodium30-platinum rhodium6    
WRR2-120B
Φ16
＜150
WRR2-121B
Φ25
＜360
Single platinum rhodium10-platinum
WRP-120B
 
S
 
0-1300
Φ16
High Aluminum
＜150
WRP-121B
Φ25
＜360
Double platinum rhodium10-platinum
WRP2-120B
Φ16
＜150
WRP2-121B
Φ25
＜360
Single nickel chrome-nickel silicon
WRN-122B
 
 
K
0-1100
Φ16
High Aluminum
 
 
＜240
WRN-123B
0-1200
Φ20
Double nickel chrome-nickel silicon
WRN2-123B
0-1100
Single platinum rhodium30-platinum rhodium6
WRR-130B
 
 
B
 
 
0-1600
Φ16
Corundum
＜150
＜360
＜150
＜360
WRR-131B
Φ25
Double platinum rhodium30-platinum rhodium6
WRR2-130B
Φ16
WRR2-131B
Φ25
Single platinum rhodium10-platinum
WRP-130B
 
S
 
0-1300
Φ16
High Aluminum
＜150
＜360
＜150
＜360
WRP-131B
Φ25
Double platinum rhodium 10-platinum
WRP2-130B
Φ16
WRP2-131B
Φ25
Single nickel chrome-nickel silicon
WRN-133B
 
K
0-1200
 
Φ20
High Aluminum
＜240
Double nickel chrome-nickel silicon
WRN2-133B
0-1100

Notes：1) Structure Characteristics：Material of the non-plug part is 1 cr18Ni9Ti
2) Diameter is 25mm and double porcelain casing.
 
 
Protection tube diameter and length specification table

φ16(SWNT)
φ20
φ25(Double layer tube)
Overall length L
Plug Depth
ι
Overall length
L
Plug Depth
ι
Overall length
Plug Depth
Plug Depth
ι
 
300
150
400
250
550
400
350
200
450
300
650
500
400
250
550
400
900
750
450
300
650
500
1150
1000
550
400
900
750
1650
1500
650
500
1150
1000
2150
2000
900
750
1650
1500
 
 
1150
1000
2150
2000
 
 

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