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  5. See K Type Thermocouple Duplex Wire
  6. HH-KI-24-SLE-15M
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K Type Thermocouple Duplex Wire

PFA Insulated Thermocouple Wire
4.7
(40)
PFA Insulated Thermocouple Wire
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Data Sheet (PDF)

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$85.17

Item# HH-KI-24-SLE-15M

Volume discounts available
Volume Discount Schedule
Quantity Price each
1-4 $85.17
5-9 $80.91
10-24 $76.65
25-49 $72.39
50-99 $68.14
100+ $63.88

In stock

Lead Time (If not in stock): 7 weeks
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PFA Insulated Thermocouple Wire HH-KI-24-SLE-15M HH-KI-24-SLE-15M
  • High Quality Type "K" Thermocouple Grade Wire
  • In Stock - Available for Immediate Shipment
  • Choice of Insulation, Wire Gage, & Length

HH-KI-24-SLE-15M Model Options

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Edit these specs to order a different model. Not all combinations are valid. Options compatible with previous selections will be in bold.

*Highlighted options are not compatible. Please select a different combination.

Temperature Min
Temperature Max
Temperature Range
Thermocouple Calibration Type
Wire Gauge
Conductor Insulation
Conductor type
Cable Length
Additional Feature
Cable Type
Overall Insulation
Number of Pairs
Overbraiding Type
Special Limit of error
Color Code Standard
Category
Temperature Unit


  • Color Code Standard Positive Wire: Yellow
  • Use With Sensor Type Thermocouple
ANSI Color Code K Type thermocouple wire: Positive Wire, Yellow ; Negative Wire, Red; Overall, Brown

Use the table below as a guide for types available. The "To Order" box contains some examples of popular models. Use the "Part Number Builder" (Below Table) to get pricing for all available models.
 Insulation AWG
No.		 Model
Number		 Type
Wire		 Insulation
 Max. Temp
 Nominal
Size		 Wt.†
lb/1000'
Conductor Overall °F °C
Ceramic** 14 XC-K-14 Solid Nextel Ceramic Nextel Ceramic 2000 1090 .140 x .200 38
20 XC-K-20 Solid Nextel Ceramic Nextel Ceramic 1800 980 .135 x .190 16
20 XT-K-20 Solid Nextel Ceramic Nextel Ceramic 1800 980 .105 x .155 15
20 XL-K-20 Solid Nextel Ceramic Nextel Ceramic 1800 980 .095 x .135 14
24 XC-K-24 Solid Nextel Ceramic Nextel Ceramic 1600 870 .115 x .175 12
24 XT-K-24 Solid Nextel Ceramic Nextel Ceramic 1600 870 .088 x .132 11
24 XL-K-24 Solid Nextel Ceramic Nextel Ceramic 1600 870 .078 x .116 10
Vitreous Silica* 20 XR-K-20 Solid Refrasil Refrasil 1600 870 .115 x .180 14
Silica* 14 XS-K-14 Solid Silica Silica 2000 1090 .140 x .200 35
20 XS-K-20 Solid Silica Silica 1800 980 .105 x .155 12
24 XS-K-24 Solid Silica Silica 1600 870 .088 x .132 10
High Temp. Glass** 20 HH-K-20 Solid High Temp. Glass High Temp. Glass 1300 704 .060 x .105 9
24 HH-K-24 Solid High Temp. Glass High Temp. Glass 1300 704 .055 x .090 5
Glass  20 GG-K-20 Solid Glass Braid Glass Braid 900 482 .060 x .095 9
20 GG-K-20S 7 x 28 Glass Braid Glass Braid 900 482 .060 x .100 9
24 GG-K-24 Solid Glass Braid Glass Braid 900 482 .050 x .080 5
24 GG-K-24S 7 x 32 Glass Braid Glass Braid 900 482 .050 x .085 5
26 GG-K-26 Solid Glass Wrap Glass Braid 900 482 .045 x .075 4
28 GG-K-28 Solid Glass Wrap Glass Braid 900 482 .040 x .055 3
30 GG-K-30 Solid Glass Wrap Glass Braid 900 482 .037 x .050 3
36 GG-K-36 Solid Glass Wrap Glass Braid 900 482 .033 x .045 2
Glass with
Stainless Steel Overbraid		 20 GG-K-20-SB Solid Glass Stainless Steel Braid over Glass 900 482 .090 x .120 14
20S GG-K-20S-SB 7 x 28 Glass Stainless Steel Braid over Glass 900 482 .090 x .127 15
24 GG-K-24-SB Solid Glass Stainless Steel Braid over Glass 900 482 .085 x .117 11
24S GG-K-24S-SB 7 x 32 Glass Stainless Steel Braid over Glass 900 482 .080 x .110 11
Kapton Fused
Polymide Tape		 20 KK-K-20 Solid Fused Polymide Tape Fused Polymide Tape 500 260 .060 x .100 11
20S KK-K-20S 7 x 28 Fused Polymide Tape Fused Polymide Tape 500 260 .060 x .105 11
24 KK-K-24 Solid Fused Polymide Tape Fused Polymide Tape 500 260 .050 x .075 6
24S KK-K-24S 7 x 32 Fused Polymide Tape Fused Polymide Tape 500 260 .050 x .085 6
30 KK-K-30 Solid Fused Polymide Tape Fused Polymide Tape 500 260 .040 x .055 5
PFA Glass  30 TG-K-30 Solid PFA Glass Braid 500 260 .034 x .047 2
36 TG-K-36 Solid PFA Glass Braid 500 260 .028 x .038 2
40 TG-K-40 Solid PFA Glass Braid 500 260 .026 x .035 2
Neoflon
PFA
(HighPerformance) 		 20 TT-K-20 Solid PFA PFA 500 260 .068 x .116 11
20 TT-K-20S 7 x 28 PFA PFA 500 260 .073 x .126 11
22 TT-K-22S 7 x 30 PFA PFA 500 260 .065 x .133 9
24 TT-K-24 Solid PFA PFA 500 260 .056 x .093 6
24 TT-K-24S 7 x 32 PFA PFA 500 260 .063 x .102 6
30 TT-K-30†† Solid PFA PFA 500 260 .024 x .040 2
36 TT-K-36†† Solid PFA PFA 500 260 .019 x .030 2
40 TT-K-40†† Solid PFA PFA 500 260 .017 x .026 2
PFA Polymer w/Twisted
and Shielded Conductors		 20 TT-K-20-TWSH Solid PFA Polymer PFA Polymer and Shielding 500 260 .15 20
20S TT-K-20S-TWSH 7 x 28 PFA Polymer PFA Polymer and Shielding 500 260 .15 20
24 TT-K-24-TWSH Solid PFA Polymer PFA Polymer and Shielding 500 260 .11 9
24S TT-K-24S-TWSH 7 x 32 PFA Polymer PFA Polymer and Shielding 500 260 .12 9
Neoflon FEP 20 FF-K-20 Solid FEP FEP 392 200 .068 x .116 11
24 FF-K-24 Solid FEP FEP 392 200 .056 x .092 6
FEP Polymer w/Twisted
and Shielded Conductors		 20 FF-K-20-TWSH Solid FEP Polymer FEP Polymer and Shielding 392 200 .15 20
20S FF-K-20S-TWSH 7 x 28 FEP Polymer FEP Polymer and Shielding 392 200 .15 20
24 FF-K-24-TWSH Solid FEP Polymer FEP Polymer and Shielding 392 200 .11 9
24S FF-K-24S-TWSH 7 x 32 FEP Polymer FEP Polymer and Shielding 392 200 .12 9
TFE Tape Polymer 20 TFE-K-20 Solid TFE Tape Polymer Fused TFE Tape and Polymer 500 260 .060 x .100 11
20S TFE-K-20S 7 x 28 TFE Tape Polymer Fused TFE Tape and Polymer 500 260 .060 x .105 11
24 TFE-K-24 Solid TFE Tape Polymer Fused TFE Tape and Polymer 500 260 .050 x .075 6
24S TFE-K-24S 7 x 32 TFE Tape Polymer Fused TFE Tape and Polymer 500 260 .050 x .085 6
Polyvinyl 24 PR-K-24 Solid Polyvinyl (Rip Cord) 221 105 .050 x .086 5
24 PP-K-24S 7 x 32 Polyvinyl (Polyvinyl) 221 105 .082 x .134 5

†Weight of spool and wire rounded up to the next highest lb. (does not include packing material).
††Overall color clear
*Has color tracers on jacket and conductors
**Has color tracers on jacket and positive leg only
Some wires available with Special Limits of Error; consult Sales for pricing and availability.
Rated 5 out of 5 by from Holds up to elevated temperatures Purchased this wire about three weeks ago for an upcoming U.L. test. Insulation held up very well to temperatures of 600 to 800°F. I thought the test conditions, heat/grease/mechanical abuse, would destroy the thermocouples and that they would need to be replaced for each test run. I was wrong. They survived several test runs and are still usable.
Date published: 2017-08-04
Rated 5 out of 5 by from Easy & effiecient! I buy a superior quality wire from OMEGA and I am impressed with the ease of ordering.
Date published: 2016-03-01
Rated 3 out of 5 by from Sturdy Extension Wire The wire was very solid which worked well for durability purposes. This feature made it difficult to properly connect the wire to miniature k-type connectors.
Date published: 2016-10-17
Rated 3 out of 5 by from A bit overpriced.... A bit overpriced for the quality of the wire. It was not an easy product to work with.
Date published: 2017-06-06
Rated 5 out of 5 by from Excellent product Buy this from Omega all the time, never a problem.
Date published: 2018-01-02
Rated 5 out of 5 by from Cable for thermocouple This cable is very good for extensions or thermocouple construction.
Date published: 2024-08-19
Rated 5 out of 5 by from My Go To Source In stock and fast shipping of hard to find specialty items
Date published: 2024-06-03
Rated 2 out of 5 by from Wire The wire is fine, however the outer sheathing isn't brown, it's green. I was assured that this would come in Green and White for the chromel/alumel and the sheathing would be brown.
Date published: 2024-05-29
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Hi, what would be the most sutable type of thermocouple wire to be used for measuring a temperature around -5c to +5c ? I was planning to use the HH-25U or HH12C readout. Is Type T is more accurate than K or J for example?.

Asked by: Paul B
Thank you for your inquiry. At low temperatures, Type T is the most accurate of all thermocouple types.
Answered by: Engineer CB
Date published: 2020-05-10

Hi I am looking at purchasing a spool of TT-K-24-500 and I need it calibrated How do I go about doing this?

Asked by: Anonymous
Hello, If you need the wire with a calibration certificate you can order as part number TT-K-24-500-CAL-3.
Answered by: Engineer9
Date published: 2024-10-24

Hi, Is the wire compatible with organic/week acidic solution of chemical reaction to measure the temperature of the solution?

Asked by: Pawan
Hi Pawan, The thermocouple alloys may contaminate your process. For this I would recommend HSTC series; hermetically sealed in PFA thermocouples. https://www.omega.com/en-us/temperature-measurement/temperature-wire-sensors/hstc/p/HSTC-TT-20S-65 Best regards, OMEGA
Answered by: NorwalkAE_RS
Date published: 2021-06-01

Nominal size is given as 0.050*0.086 in. What is it mean? how to read this ? I am looking for individual wire OD and overall cable for PR-K-24 part no.

Asked by: Abhishek
Thank you for your inquiry. The nominal size is the size of the oval shaped cross section of the wire with the overall insulation. We do not provide the individual wire OD.
Answered by: NorwalkAE_SP
Date published: 2024-03-20

What's the minimum bend radius?

Asked by: EL00254
Thank you for the inquiry. Please allow for 5 to 7 diameters of the wire (narrow side dimension). Best regards OMEGA
Answered by: NorwalkAE_RS
Date published: 2020-08-12

Hi, Is compatible with OM-CP-OCTTEMP-A? Regards

Asked by: Shiro_7789
Hi, thank you for your question. OM-CP-OCTTEMP-A if definitely compatible with type K thermocouples. If you are making your own thermocouples with this wire, please remember to use miniature connectors (like SMPW-K-M) to plug directly into your logger.
Answered by: DA Engineer
Date published: 2020-06-17

Can thermocouple wiring be cut to length?

Asked by: Zuuk
Thank you for your inquiry. Yes it can be cut to length.
Answered by: Application Engineer MC
Date published: 2024-10-05

How many times it can be used at average temp around 750 °C with insulation of nextel cermaic ? Is it (nextel cermaic) flexible enough to bend & what are effects of high temp around 1000 °C on it?

Asked by: Anonymous1
Thank you for the inquiry. This product has Nextel ceramic fiber which is not suitable for bending applications. The ceramic fibers used in the material become brittle after exposure to high temps. If you must use this material for bending app please consider the following with Inconel overbraid which keeps the fibers in place. https://www.omega.com/en-us/temperature-measurement/temperature-wire-and-cable/thermocouple-wires/p/XC-XS-XT-XL-WIRE Best regards OMEGA
Answered by: NorwalkAE_RS
Date published: 2021-04-30
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