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PTFE 0.5mm Platinum Type R Thermocouple Extension Wire

Categories Thermocouple Extension Wire
Brand Name: DLX
Model Number: Type R Thermocouple extension wire
Place of Origin: China
MOQ: 1
Payment Terms: L/C, T/T, Western Union, MoneyGram
Supply Ability: 300 tons per month
Delivery Time: 5-21 days
Packaging Details: Spool package with Carton box, Coil package with polybag
Product name: Thermocouple extension wire
Color: bright
Certificate: ISO9001
Temperature range: -58 to 2700F (-50 to 1480C)
EMF tolerance: +/- 1.5C or +/- .25%
Grade: IEC854-1/3
Positive: platinum Rhodium
Negative: platinum
Special Limits of Error: +/- 0.6C or 0.1%
Type: RNX, RPX
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PTFE 0.5mm Platinum Type R Thermocouple Extension Wire



  • Thermocouple extension wire

Type R Thermocouple extension wire (Platinum Rhodium -13% / Platinum):


The Type R thermocouple extension wire is used in very high temperature applications. It has a higher percentage of Rhodium than the Type S, which makes it more expensive. The Type R is very similar to the Type S in terms of performance. It is sometimes used in lower temperature applications because of its high accuracy and stability. Type R has a slightly higher output and improved stability over the type S.


Type R, S, and B thermocouples are "Noble Metal" thermocouples, which are used in high temperature applications.

Type S thermocouples are characterized by a high degree of chemical inertness and stability at high temperatures. Often used as a standard for calibration of base metal thermocouples.

Platinum rhodium thermocouple(S/B/R TYPE)

Platinum Rhodium Assembling Type Thermocouple is widely used in production places with high temperature. It is mainly used to measure temperature in glass and ceramic industry and industrial salting.

Insulation material: PVC, PTFE, FB or as per the customer's requirement.


Type R Temperature Range:

  • Thermocouple grade wire, -58 to 2700F (-50 to 1480C)
  • Extension wire, 32 to 392F (0 to 200C)


Accuracy (whichever is greater):

  • Standard: +/- 1.5C or +/- .25%
  • Special Limits of Error: +/- 0.6C or 0.1%


  • Thermocouple Wire
CodeWires component of the thermocouple
+Positive leg-Negative leg
NNi-cr-si (NP)Ni-si-magnesium (NN)
KNi-Cr (KP)Ni-Al(Si) (KN)
ENi-Cr (EP)Cu-Ni<constantan> (EN)
JIron (JP)Cu-Ni<constantan> (JN)
TCopper (TP)Cu-Ni<constantan> (TN)
BPlatinum Rhodium-30%Platinum Rhodium-6%
RPlatinum Rhodium-13%Platinum
SPlatinum Rhodium-10%Platinum


  • ​Standards
ASTMANSIIECDINBSNFJISGOST
(American Society for Testing and Materials) E 230(American National Standard Institute) MC 96.1(European Standard by the International Electrotechnical Commission 584)-1/2/3(Deutsche Industrie Normen) EN 60584 -1/2(British Standards) 4937.1041, EN 60584 - 1/2(Norme Française) EN 60584 -1/2 - NFC 42323 - NFC 42324(Japanese Industrial Standards) C 1602 - C 1610(Unification of the Russian Specifications) 3044


  • Size range

Wire: 0.1 to 8.0 mm.


  • Working temperature:

Diameter/mmTypeLong time WorkingShort period Working
temperature/°Ctemperature/°C
0.5S13001600
0.5R13001600
0.5B16001700

  • Chemical Composition
Conductor NamePolarityCodePt%Rh%
Pt90RhPositiveSP9010
PtNegativeSN,RN100--
Pt87RhPositiveRP8713
Pt70RhPositiveBP7030
Pt94RhNegativeBN946

Detailed Parameter of thermocouple extension wire


Thermocouple No. indexingCompensation wire typeUsag ClassificationMeasuring junction temperature / ℃standard EMF value/μVPrecision gradeGeneral grade
Tolerance μVThermal EMF range μVTolerance μVThermal EMF range μV
SorRSC or RCG100646±30616~676±60586~706
H100646--±60586~706
2001 1441--1.381~1 501
KKX,KCAG-25-968±40-924~-1 012±80-880~-1 056
or KCB1004 0964 052~4 1404 008~4 184
H-25-968±40-924~-1 012±88-880~-1 056
1004 0964 052~4 1404 008~4 184
2008 1388 094~8 1828 050~8 226
NNX or NCG-25-646±43-603~-689±86-560~-732
1002 7742 731~2 8172 688~2 860
H-25-646±43-603~-690±86-560~-732
1002 7742 731~2 8172 688~2 860
2005 9135 870~5 9565 827~5 999
EEXG-25-1 432±81-1 351~-1 513±138-1 294~-1 570
1006 3196 238~ 64006 181~6 457
H-25-1 432±81-1 351~- 1513±138-1 294~-1 570
1006 3196 238~6 4006 181~6 457
20013 42113 340~13 50213 283~13 559
JJXG-25-1 239±62-1 177~-1 301±123-1 116~-1 362
1005 2695 207~5 3315 146~5 392
H-25-1 239±62- 177~-1 301±123-1 116~-1 362
1005 2695 207~5 3315 146~5 392
20010 77910 717~10 84110 656~10 902
TTXG-25-940±30-910~-970±60-850~-1 000
1004 2794 249~4 3094 189~4 339
H-25-940±48-892~-988±90-850~-1 030
1004 2794231~4 3274 189~4 369
200

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