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2020-05-09
Non fixed Thermocouple WRR-120 WRR-130 WRR-140 Introduction
Non fixed Thermocouple WRR-120 WRR-130 WRR-140 is WRR series assembly-type thermocouple,without fixed connection,splash proof terminal, temperature range from 0 to 1800℃, Non fixed Thermocouple WRR-120 WRR-130 WRR-140 used as a sensor to measure temperature, usually matched with display instruments, recording meter and electronic computer. Non fixed Thermocouple WRR-120 WRR-130 WRR-140 can directly measure temperature from 0℃ to 1800℃ of liquid, vapor, gas medium and solid surface during various production processes. In addition,Non fixed Thermocouple WRR-120 WRR-130 WRR-140 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.

Non fixed Thermocouple WRR-120 WRR-130 WRR-140 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.
Non fixed Thermocouple WRR-120 WRR-130 WRR-140 Model description
| 
	 WR  | 
	
	 Thermocouple  | 
	
	 Content  | 
	||||
| 
	 
  | 
	
	 Code  | 
	
	 Heat probe type  | 
	||||
| 
	 R  | 
	
	 Pt-Rh30- Pt-Rh6  | 
	|||||
| 
	 P  | 
	
	 Pt-Rh 10-Pt  | 
	|||||
| 
	 N  | 
	
	 Nickel chromium-nickel silicon  | 
	|||||
| 
	 M  | 
	
	 Nickel chromium nickel silicon - silicon  | 
	|||||
| 
	 E  | 
	
	 Nickel chromium - nickel copper  | 
	|||||
| 
	 C  | 
	
	 Copper - Copper - Nickel  | 
	|||||
| 
	 F  | 
	
	 Iron copper nickel  | 
	|||||
| 
	 
  | 
	
	 Code  | 
	
	 Output signal number  | 
	||||
| 
	 None  | 
	
	 single  | 
	|||||
| 
	 Code  | 
	
	 Fixed device form  | 
	|||||
| 
	 
  | 
	
	 1  | 
	
	 Non-fixed device  | 
	||||
| 
	 Code  | 
	
	 Terminal type  | 
	|||||
| 
	 2  | 
	
	 Splash proof  | 
	|||||
| 
	 
  | 
	
	 Code  | 
	
	 Protection tube diameter  | 
	||||
| 
	 0  | 
	
	 Φ16mm  | 
	|||||
| 
	 1  | 
	
	 Φ25mm  | 
	|||||
| 
	 2  | 
	
	 Φ16mm  | 
	|||||
| 
	 3  | 
	
	 Φ20mm  | 
	|||||
