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XL Sheath Mineral Insulated Thermocouple Wire

High Temperature, Low Drift, Mineral Insulated Thermocouple Cable


Item# XL-K-032-EM

Volume discounts available
Volume Discount Schedule
Quantity Price each
1-99 $1.77
100-249 $1.68
250-499 $1.59
500-999 $1.50
1000-4999 $1.42
5000+ $1.24

In stock

Lead Time (If not in stock): 3 weeks
High Temperature, Low Drift, Mineral Insulated Thermocouple Cable XL-K-032-EM XL-K-032-EM
  • Excellent Long Term Stability at High Temperatures
  • Continuous use up to 1150°C
  • Excellent Oxidation, Carburization and Chlorination Resistance
  • High Purity MgO (HP) Available

XL-K-032-EM Model Options

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Thermocouple Type
Process Temperature Range
Conductor Insulation
Conductor Material
Dual Changed From
Diagonal/Parallel Construction
Cable Diameter
Number of Conductors
Special Limit of error
Additional Feature
Sheath Material

Super OMEGACLAD™ XL sheathed mineral-insulated thermocouple wire can be used at high temperatures for prolonged periods with very little drift of the base metal thermocouple. The sheath material uses Nickel-Chrome based Super OMEGACLAD™ XL sheathing, which provides excellent oxidation resistance. The sheath can withstand long-term exposure to combustion gases or air at temperatures up to1150°C. Short-term exposures to higher temperatures are also possible. Superior resistance to oxidation attack results from a tenacious and protective high temperature film that does not affect the stability of the thermocouple alloys. This film permits the sensor to be used at high temperatures for prolonged periods with improved accuracy over other available sheath materials. Super OMEGACLAD™ sheathing also provides excellent resistance to corrosion in high temperature chlorine-contaminated oxidizing environments and ammonia/nitride-rich environments at temperatures above 980°C, the temperature at which the protective film forms.

Model No.
[*] Insert Wire
Resistance at
15.5°C Ohms/Dbl. foot
XL-[*]-MO-010 Type K or
Type N
Omegaclad XL 0.010 0.0015 72 0.002
XL-[*]-MO-020 0.0200.003380.004
XL-[*]-MO-040 0.0400.007150.006
XL-[*]-MO-0620.062 0.01060.01
XL-[*]-MO-250 0.2500.0360.370.04
XL-[*]-MO-3130.313 0.0400.350.05
Model No.
[*] Insert Wire
Resistance at
15.5°COhms/Dbl. meter
XL-[*]-MO-0.25MM Type K or
Type N
Omegaclad XL 0.25 0.038 236 0.045
XL-[*]-MO-0.5MM0.50.076 1250.089
XL-[*]-MO-.75MM0.750.113 790.134
XL-[*]-MO-1.0MM10.152 490.178
XL-[*]-MO-1.5MM1.50.254 200.254
XL-[*]-MO-2.0MM20.305 120.356
XL-[*]-MO-3.0MM30.457 4.90.559
XL-[*]-MO-4.5MM4.50.66 1.90.787
XL-[*]-MO-6.0MM60.94 1.21.016
XL-[*]-MO-8.0MM81.016 1.11.27
Super OmegaClad XL Thermal Drift
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Rated 4 out of 5 by from lack of information you need to introduce relevant accessories along with this wire.
Date published: 2022-03-05
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loading all QA

How long are these TCs? Is this per foot, per inch...? Is it just wire? Is one end welded at a TC? What are you selling/what am I buying?

Asked by: DanAZ
This item is thermocouple wire in a metal sheath that is sold by the foot. I does not come with a welded end.
Answered by: RD Engineer
Date published: 2020-04-02

What is the thermal conducivity of the MgO powder used for insulation ?

Asked by: Bast04
Hi Bast04, Thank you for the inquiry. Thermal conductivity ranges from 30 W /m x K Best regards, OMEGA
Answered by: NorwalkAE_RS
Date published: 2022-01-20

Can I get this MI cable with a calibration certificate? If so, what is the added cost for this certificate and how do I place my order to request this certificate?

Asked by: judib63
Thank you for your inquiry. Please email your request to
Answered by: Application Engineer JB
Date published: 2023-12-05

What is the total length? How long is it??? (XL Sheath Mineral Insulated Thermocouple Wire, K type, Dia: 1mm, Chromel-Alumel)

Asked by: CAhn
Thank you for your inquiry CAhn. There is no pre determined length of this wire since it is sold by foot/meter depending on the units. For example, qty of 1 = 1 foot/meter of the wire.
Answered by: Application Engineer SP
Date published: 2022-03-23

What is the breakdown voltage of the mineral sheathing near room temperature? Can the nichrome shell be at several hundred volts with respect to the thermocouple wires?

Asked by: DanAZ
Insulation Resistance is 1000 M ohm @ 500 volt dc for sheath diameters larger than 1.5 mm 500 M ohm @ 50 volt dc for sheath diameters between 1.5 and 0.8 mm 100 M ohm @ 50 volt dc for sheath diameters smaller than 0.8 mm
Answered by: RD Engineer
Date published: 2020-02-12
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