Thermocouple Extension Cable

THERMOCOUPLE EXTENSION WIRE

Thermo Couple Cable

A broad range of J, K, T, E & N Type thermocouple extension wire & cable are designed for accurate measurement and control of temperature in a variety of applications, particularly suitable for hazardous environment.

Key Characteristics
Typical Application
Products Data

A range of different thermocouple types to said different application are designed and manufacture to meet the requirement of

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Conductor Solid or Stranded conductor as per ASTM-E-230.
Chromel : Chromium – Nickel alloy as + ve leg. (non-magnetic)
Alumel : Aluminum – Nickel alloy as - ve leg. (magnetic)
Colour code As per ANSI MC96.1, ASTM-E-258 (Other colours available)
Construction Twisted pair / Flat laid
Insulation As per the End Use or Customer need.
Range of wire Full range or as per customer need
Cable shield NPC wire / Stainless steel wire / Aluminum tape
Outer jacket As per End Use (Polyimide, PTFE etc)
Measurement Tolerance Standard Grade : ± 2.2 oC (± 4 oF) for 0 to 285 oC range and ± 0.75% for 285 oC to 1250 oC
Special Grade : ± 1.1 oC (± 2 oF) for 0 to 285 oC and ± 0.40% for 285 oC to 1250 oC
Applicable Spec MIL-DTL-5846, BS-G-215, BS-4937, PAN 75-6420 YR, M.O.S. (AIR) E.L. 1632 & EL 2013 ef glass)

Thermocouple Extension Cable Guideline

Type Code Positive Leg Negative Leg Recommended Temp. Range Colour Code (ANSI MC96.1) APPLICATION INFORMATION
J Iron
ThermoKanthal JP*
Constantan
Cupron
Advance*
ThermoKanthal JN*
0 to 760 oC
(32 to 1400 F)
Jacket: Black
+ White
-Red
  • Suitable for Vacuum, reducing/ inert atmospheres.
  • Life reduced in oxidizing atmosphere.
  • Do not expose bare conductor to Sulphurous atmosphere.
  • Only heavy gauge wire for higher temperature
K Chromel*
Tophel*
T1*
ThermoKanthal KP*
Isotherm Plus*
Alumel*
Nial*
T2*
ThermoKanthal KN*
Isotherm Minus*
0 to 1200 oC
(32 to 2300 F)
Jacket: Yellow
+ Yellow
-Red
  • Suitable for continuous oxidizing and inert atmosphere.
  • Good above 1000 F. Subject to Failure if exposed to Sulphur.
  • Proper ventilation or sealing is preferred.
T Copper Constantan
Cupron
Advance*
-184 to 371 oC
(-300 to 7000 F)
Jacket: Blue
+ Blue
-Red
  • Recommended for all type of atmospheres i.e. oxidizing, reducing & inert and in vacuum. Limits of error to be borne in mind.
E Chromel*
Tophel*
T1*
ThermoKanthal KP*
Constantan
Cupron
Advance*
ThermoKanthal JN*
0 to 871 oC
(32 to 1600 F)
Jacket: Purple
+ Purple
-Red
  • Suitable for continuous oxidizing and inert atmosphere.
  • Highest thermoelectric output of common calibration.
N -Nicrosil*
-14.5% Chromium
+1.4% Silicon
+0.1% Magnesium
+ Balance Nickel
-Nisil*
-4.2% Silicon
+0.1% Magnesium
+ Balance Nickel
0 to 1260 oC
(32 to 2300 F)
Jacket: Orange
+ Orange
-Red
  • Can be used in applications where Type K elements have shorter life.