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Fixed Flange Assembly Thermocouple WRR-420 WRR-421 Brief Description
Fixed Flange Assembly Thermocouple WRR-420 WRR-421 is WRR series assembly-type thermocouple, fixed flange connection,splash proof terminal, temperature range from 0 to 1800℃, Fixed Flange Assembly Thermocouple WRR-420 WRR-421 used as a sensor to measure temperature, usually matched with display instruments, recording meter and electronic computer. Fixed Flange Assembly Thermocouple WRR-420 WRR-421 can directly measure temperature from 0℃ to 1800℃ of liquid, vapor, gas medium and solid surface during various production processes. In addition,Fixed Flange Assembly Thermocouple WRR-420 WRR-421 has the advantages of simple assembly, convenient replacement, pressure spring type temperature sensing element, good anti-vibration, wide measuring range, high mechanical strength, good pressure durability.
Fixed Flange Assembly Thermocouple WRR-420 WRR-421 Main technical parameter
Temperature measurement range and tolerance
Thermocouple type |
Code |
Graduation |
Measurement range℃ |
tolerance△t ℃ |
Pt Rh30- Pt Rh6 |
WRR |
B |
Max Temp:0~1800 |
±1.5℃/±0.25%│t│ |
Note: “t” is absolute value of measured temperature of temperature-sensing element.
Fixed Flange Assembly Thermocouple WRR-420 WRR-421 material and temperature
Conductor Material | Type | Graduation | Spec. of protection tube(mm) | Use temperature °C |
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Total Length | Length in fluid | external diameter of ceramic tube |
Material of protection tube | ||||
PtRh30-Ptrh6 | WRR | B | 300 350 400 450 550 650 900 1150 1250 |
150 200 250 300 400 500 750 1000 1100 |
φ16 φ25 |
Corundum tube | 0-1600 |
PtRh10-Pt | WRP | S | High Al content tube | 0-1300 | |||
PtRh13-pT | WRQ | R | φ16 φ20 |
High Al content tube | 0-1200 | ||
Mini PtRh10-Pt | WRP-100 | S | 252 | 252 | φ7 | High Al content tube | 0-1200 |
Fixed Flange Assembly Thermocouple WRR-420 WRR-421 specification
WRR Series, Assembly type thermocouple Max. Temperature : 0℃~1800℃ (Working temperature 0℃~1600℃) Output signal No.Single |
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Base on Splash proof type (2), Water proof (3),Explosion proof (4) is for option. |
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Without fixed device (1) |
Fixed threaded (2) |
Movable flange (3) |
Fixed flange (4) |
Movable flange square (5) |
Fixed thread conical (6) |
Protection tube diameter 0:Φ16mm 1:Φ25mm 2:Φ16mm 3:Φ25mm |
Protection tube diameter 0:Φ16mm 1:Φ25mm 2:Φ16mm 3:Φ25mm |
Protection tube diameter 0:Φ16mm 1:Φ25mm 2:Φ16mm 3:Φ25mm |
Protection tube diameter 0:Φ16mm 1:Φ25mm 2:Φ16mm 3:Φ25mm |
Protection tube diameter 0:Φ16mm 1:Φ25mm 2:Φ16mm 3:Φ25mm |
Protection tube diameter 0:Φ16mm 1:Φ25mm 2:Φ16mm 3:Φ25mm |
Thermocouple WRR-120 WRR-121 WRR-122 WRR-123 |
Thermocouple WRR-220 WRR-221 WRR-222 WRR-223 |
Thermocouple WRR-320 WRR-321 WRR-322 WRR-323 |
Thermocouple WRR-420 WRR-421 WRR-422 WRR-423 |
Thermocouple WRR-520 WRR-521 WRR-522 WRR-523 |
Thermocouple WRR-620 WRR-621 WRR-622 WRR-623 |
Fixed Flange Assembly Thermocouple WRR-420 WRR-421 Model
WR |
Thermocouple |
Content |
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Code |
Heat probe type |
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R |
Pt-Rh30- Pt-Rh6 |
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P |
Pt-Rh 10-Pt |
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N |
Nickel chromium-nickel silicon |
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M |
Nickel chromium nickel silicon - silicon |
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E |
Nickel chromium - nickel copper |
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C |
Copper - Copper - Nickel |
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F |
Iron copper nickel |
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Code |
Output signal number |
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None |
single |
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Code |
Fixed device form |
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1 |
Without fixed device |
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Code |
Terminal type |
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2 |
Splash proof |
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Code |
Protection tube diameter |
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0 |
Φ16mm |
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1 |
Φ25mm |
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2 |
Φ16mm |
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3 |
Φ20mm |
If Fixed Flange Assembly Thermocouple WRR-420 WRR-421 of WRR series assembly-type thermocouple for sale caters to your requirement, welcome to buy with us. As one of the leading such manufacturers and suppliers in China, we will offer you cheap price and excellent services.