ANSI and IEC Color Codes† for Thermocouples, Wire and ...

1 H-1 HNONE ESTABLISHEDNONE ESTABLISHEDNONE ESTABLISHEDNONE ESTABLISHEDNONE ESTABLISHEDNONE ESTABLISHEDNONE ESTABLISHED+ + + + + + + + + + + + + + + + + IRONFe(magnetic)CHROMEGA NICKEL-CHROMIUMNi-CrCOPPERCuCHROMEGA NICKEL-CHROMIUMNi-CrOMEGA-P NICROSILNi-Cr-SiPLATINUM-13% RHODIUMPt-13% RhPLATINUM-10% RHODIUMPt-10% RhCOPPER CuPLATINUM-30% RHODIUMPt-30% RhTUNGSTENWTUNGSTEN-5% RHENIUMW-5% ReTUNGSTEN-3% RHENIUMW-3% ReCONSTANTANCOPPER-NICKELCu-NiALOMEGA NICKEL-ALUMINUMNi-AI(magnetic)CONSTANTAN COPPER-NICKELCu NiCONSTANTANCOPPER-NICKELCu-NiOMEGA-N NISILNi-Si-MgPLATINUMPtPLATINUMPtCOPPER- LOW NICKELCu-NiPLATINUM-6% RHODIUMPt-6% RhTUNGSTEN-26% RHENIUMW-26% ReTUNGSTEN-26% RHENIUMW-26% ReTUNGSTEN-25% RHENIUMW-25% ReANSI MC Color Coding thermocouple Extension Grade GradeIEC 584-3 Color Coding thermocouple Intrinsically Grade SafeAlloy Combination + Lead Lead Maximum EMF (mV) Comments T/C Grade Over Max Environment Temp Temp Bare Wire Range RangeD(W3)C(W5)G(W)BUSRNETKJANSI CodeD(W3)C(W5)G(W)

2 BUSRNETKJIEC Code** Not official symbol or standard designation JIS Color code also available. See page A-9 for , Vacuum,Inert. Limited Use in Oxidizing at High Temperatures. Not Recommended for Low Oxidizing and Inert. Limited Use in Vacuum or Reducing. Wide Temperature Range, Most Popular Calibration Mild Oxidizing, Reducing Vacuum or Inert. Good Where Moisture Is Present. Low Temperature & Cryogenic ApplicationsOxidizing or Inert. Limited Use in Vacuum or Reducing. Highest EMF Change Per DegreeAlternative to Type K. More Stable at High TempsOxidizing or Inert. Do Not Insert in Metal Tubes. Beware of TemperatureOxidizing or Inert.

3 Do Not Insert in Metal Tubes. Beware of TemperatureExtension GradeConnecting Wire for R & S Thermocouples, Also Known as RX & SX Extension or Inert. Do Not Insert in Metal Tubes. Beware of Contamination. High Temp. Common Use in Glass IndustryVacuum, Inert, Hydrogen. Beware of Embrittlement. Not Practical Below 399 C (750 F). Not for Oxidizing AtmosphereVacuum, Inert, Hydrogen. Beware of Embrittlement. Not Practical Below 399 C (750 F) Not for Oxidizing AtmosphereVacuum, Inert, Hydrogen. Beware of Embrittlement. Not Practical Below 399 C (750 F) Not for Oxidizing Atmosphere to to to to to to to to to to 210 to 1200 C 346 to 2193 F 270 to 1372 C 454 to 2501 F 270 to 400 C 454 to 752 F 270 to 1000 C 454 to 1832 F 270 to 1300 C 450 to 2372 F 50 to 1768 C 58 to 3214 F 50 to 1768 C 58 to 3214 F 0 to 1820 C 32 to 3308 F 0 to 2320 C 32 to 4208 F0 to 2320 C 32 to 4208 F0 to 2320 C 32 to 4208 F+ + + + + + + + + + + + + + + + + + NO STANDARD USE ANSI Color CODENO STANDARD USE ANSI Color CODENO STANDARD USE ANSI Color CODEAll OMEGA thermocouple Wire, Probes and Connectors are available with either ANSI or IEC Color Codes.

4 In this Handbook, model numbers in the To Order tables reflect the ANSI Color -Coded Product. Please see the previous pages for instructions on how to order IEC Color -Coded and IEC Color Codes for Thermocouples, Wire and ConnectorsH-2 ANSI Code Standard Limits Special Limits Temp Range >0 to 750 C >32 to 1382 F 0 to 750 C 32 to 1382 F Tolerance Value C or F or C or F or Temp Range >0 to 1250 C >32 to 2282 F 0 to 1250 C 32 to 2282 F Tolerance Value C or F or C or F or Temp. Range* -200 to 0 C -328 to 32 F Tolerance Value C or F or Temp Range >0 to 350 C >32 to 662 F 0 to 350 C 32 to 662 F Tolerance Value C or F or C or 1 F or Temp.

5 Range* -200 to 0 C -328 to 32 F Tolerance Value C or F or Temp Range >0 to 900 C >32 to 1652 0 to 900 C 32 to 1652 F Tolerance Value C or 3 F or C or F or Temp. Range* -200 to 0 C -328 to 32 F Tolerance Value C or 3 F or Temp Range >0 to 1300 C >32 to 2372 F 0 to 1300 C 32 to 2372 F Tolerance Value C or F or C or F or Temp. Range* -270 to 0 C -454 to 32 F Tolerance Value C or F or Temp Range 0 to 1450 C 32 to 2642 F 0 to 1450 C 32 to 2642 F Tolerance Value C or F or C or 1 F or Temp Range 800 to 1700 C 1472 to 3092 F Not Tolerance Value F Established Temp Range 0 to 2320 C 32 to 4208 F Not Tolerance Value C or F EstablishedThermocouple Tolerances(Reference Junction at 0 C)* Not official symbol or standard designation Whichever value is.

6 Material is normally selected to meet tolerances above 0 C. If thermocouples are needed to meet tolerances below 0 C, the purchaser shall state this as selection of material is usually required. IEC Code Class 1 Class 2 Class 3 Temp Range -40 to 375 C -40 to 333 C Tolerance Value C C Not Temp. Range 375 to 750 C 333 to 750 C Established Tolerance Value Reading Reading Temp Range -40 to 375 C -40 to 333 C -167 to 40 C Tolerance Value C C C Temp. Range 375 to 1000 C 333 to 1200 C -200 to -167 C Tolerance Value Reading Reading Temp Range -40 to 125 C -40 to 133 C -67 to 40 C Tolerance Value C 1 C 1 C Temp.

7 Range 125 to 350 C 133 to 350 C -200 to -67 C Tolerance Value Reading Reading Reading Temp Range -40 to 375 C -40 to 333 C -167 to 40 C Tolerance Value C C C Temp. Range 375 to 800 C 333 to 900 C -200 to -167 C Tolerance Value Reading Reading Reading Temp Range 0 to 1100 C 0 to 600 C Tolerance Value 1 C C Not Temp. Range 1100 to 1600 C 600 to 1600 C Established Tolerance Value [1 + x (Rdg-1100)] C Reading Temp Range 600 to 800 C Tolerance Value Not +4 C Temp. Range Established 600 to 1700 C 800 to 1700 C Tolerance Value Reading ReadingEJKNTRS Material is normally selected to meet tolerances above -40 C.

8 If thermocouples are needed to meet limits of Class 3, as well as those of Class 1 or 2, the purchaser shall state this, as selection of material is usually Tolerance Class EN 60584-2; JIS C 1602 American Limits of Error ASTM E230-ANSI MC H-3 HPolyvinyl Polyvinyl -40 to 105 C Good Excellent Good Chloride Chloride -40 to 221 F (PVC) (PVC) FEP FEP -200 to 200 C Excellent Good Excellent or or -338 to 392 F Neoflon Neoflon PFA PFA -267 to 260 C Excellent Good Excellent or or -450 to 500 F Neoflon Neoflon -267 to 316 C Excellent Good Good Kapton Kapton -450 to 600 F Glass PFA -73 to 260 C Good Good Excellent Braid or -100 to 500 F Neoflon Glass Glass -73 to 482 C Poor Good Poor Braid Braid -100 to 900 F High Temp High Temp -73 to 871 C Poor Good Poor Glass Glass -100 to 1300 F Braid

9 Braid Refrasil Refrasil -73 to 871 C Poor Good to Poor to Braid Braid -100 to 1600 F 315 C (600 F) 315 C (600 F) Nextel Nextel -73 to 1204 C Poor Good Poor Braid Braid -100 to 2200 F -73 to 1038 C Poor Good Poor Silica Silica -100 to 1990 F TFE TFE -267 to 260 C Excellent Good Excellent -450 to 500 FPP (Extension Grade- EXPP)FF (Extension Grade- EXFF)TT (Extension Grade- EXTT)KK TG GG (Extension Grade- EXGG)HH XR XC Standard Braid XL-Loose Braid XT-Tight BraidXS TFEI nsulation CodeInsulation Overall ConductorsAppearance of thermocouple Grade WireTemperature Range.

10 Insulation Abrasion ResistanceFlexibilityWater SubmersionWire Insulation IdentificationANSI Color code shown To orderIEC colorcode visitus onlineH-4 Fair Good Good Good Good Excellent Excellent Excellent Excellent Excellent Excellent Excellent Excellent Excellent Excellent Good Good Good Good Excellent Excellent Excellent Excellent Excellent Excellent Excellent Excellent Excellent Excellent Fair Excellent Excellent Excellent Excellent Fair Excellent Good to Good to Excellent Poor 315 C (600 F) 315 C (600 F)Excellent Good Good Excellent Fair Excellent Good Poor Excellent Fair Excellent Excellent Excellent Excellent Excellentand Application Guide Color Coded PVC Extruded Over Each Bare Wire.