Platinum Rhodium Thermocouple

  • Temperature sensor S B R type Platinum rhodium thermocouple
  • Temperature sensor S B R type Platinum rhodium thermocouple
  • Temperature sensor S B R type Platinum rhodium thermocouple
Temperature sensor S B R type Platinum rhodium thermocoupleTemperature sensor S B R type Platinum rhodium thermocoupleTemperature sensor S B R type Platinum rhodium thermocouple

Temperature sensor S B R type Platinum rhodium thermocouple

  • Temperature sensor S B R type Platinum rhodium thermocouple
  • Product description: Platinum-rhodium is a traditional temperature measuring element with stable thermoelectric performance and strong oxidation resistance.Temperature sensor S B R type Platinum rhodium thermocouple long-
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Platinum-rhodium is a traditional temperature measuring element with stable thermoelectric performance and strong oxidation resistance.Temperature sensor S B R type Platinum rhodium thermocouple long-term use temperature is 1600℃ and the short-term use temperature is 1800℃. The outer cover is made of 99 corundum, and the inner cover is made of high-purity platinum and rhodium alloy wire. As temperature measurement sensors, they are usually used together with temperature transmitters, regulators and display instruments to form a process control system for direct measurement or control of various production processes in the 0-1700℃ range of fluid, steam and gas medium and solid surface temperature.
Temperature sensor S B R type Platinum rhodium thermocouple Technical parameters
Electrical outlet: m20x1.5, npt1/2
Accuracy level: I, II
Protection grade: IP65
Accidentally: wire diameter Φ0.5 mm 

Nominal pressure: normal pressure

Type and Specification of pt-rh thermocouple

Conductor

material
Wire

Calibration
Accuracy
Class
Class
Accuracy
Temperature range(℃)
Accuracy
Temperature range(℃)
Ni Cr-Ni Si
K
1.5
or
0.4%t
-40-1000
2.5

or

0.75%t
-40-1000
Ni Cr Si-Ni Si
E
-40-1100
-40-1200
NiCr-Konstantan
N
-40-800
-40-800
Fe-Konstantan
J
-40-750
-40-750
Cu-Konstantan
T
1 or
0.4%t
-40-350
1.5 or
0.75%t
-40-350
Pt Rh 10-Pt
S
1or
1+t-1100× 0.003
0-1600
1.5
or
0.25%t
0-1600
PtRh 13-Pt
R
0-1600
Pt Rh30-PtRh 6
B
600-1700

Platinum rhodium thermocouple is precious metal thermocouple. The diameter of even wire is 0.5mm, the allowable deviation is -0.015mm, the nominal chemical composition of its positive pole is platinum rhodium alloy, which contains 30% rhodium, 70% platinum, negative pole platinum rhodium alloy, contains 6% rhodium, so Temperature sensor S B R type Platinum rhodium thermocouple is commonly known as double platinum rhodium thermocouple. The maximum long-term use temperature of the thermocouple is 1600℃ and the maximum short-term use temperature is 1800℃.
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