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  5. K Type Thermocouple Duplex Wire

K Type Thermocouple Duplex Wire

PFA Insulated Thermocouple Wire
4.6
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PFA Insulated Thermocouple Wire
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Data Sheet (PDF)

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$908.37

Item# GG-K-20-300M

Volume discounts available
Volume Discount Schedule
Quantity Price each
1-4 $908.37
5-9 $862.95
10-24 $817.53
25-49 $772.11
50-99 $726.70
100+ $681.28

In stock

Lead Time (If not in stock): 2 weeks
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PFA Insulated Thermocouple Wire GG-K-20-300M GG-K-20-300M
  • High Quality Type "K" Thermocouple Grade Wire
  • In Stock - Available for Immediate Shipment
  • Choice of Insulation, Wire Gage, & Length

GG-K-20-300M Model Options

View all models

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 Review - Thermocouple Quick to ship and priced competitively. Customer service was helpful
Date published: 2023-03-13
Rated 3 out of 5 by from Overpriced In my opinion this product is overpriced for what it is.
Date published: 2023-02-15
Rated 4 out of 5 by from Textron Av Very slow receipt time. Took 6 months to receive item.
Date published: 2023-01-03
Rated 5 out of 5 by from Senior Buyer We received a good service and price also good QC and Lt are shorter them usually
Date published: 2022-12-27
Rated 5 out of 5 by from Thermocouple Wiree Excellent product for electric equipment production
Date published: 2022-11-14
Rated 5 out of 5 by from Excellent product Exactly as described, excellent documentation, shipping was super fast.
Date published: 2022-11-04
Rated 5 out of 5 by from Good Stuff / Reasonable price This wire has stood up to some harsh environments and lasted, fully intend to purchase again for our next development dyno .
Date published: 2022-10-14
Rated 5 out of 5 by from Good tc wire These K thermocouples are different than pictured. They are a parallel rip design (no external jacket). The insulation is yellow and one side has a red stripe. They strip easily. If you are pulling wire through conduit get a jacketed design but if you meter is nearby the UUT then I recommend these. They are very easy to work with. I've also bought these in T thermocouples in the past. They are the same except the insulation is blue.
Date published: 2022-10-03
Rated 5 out of 5 by from Best quality out there Product arrived exactly as described and excellent quality!
Date published: 2022-03-11
Rated 5 out of 5 by from Omega thermocouple wire Omega thermocouple wire is our go to wire for all our temperature measurement needs.
Date published: 2022-03-08
Rated 5 out of 5 by from Great service / Great Product Shipped quickly and correctly, arrived in perfect condition. This product holds up great in our dyno applications .
Date published: 2022-02-10
Rated 3 out of 5 by from Great customer service Great customer service from Omega. The insulation is not particularly abrasion resistant and hard to get a clean cut when stripping the wire ends. That said, this is the wire I required for my installation.
Date published: 2021-07-26
Rated 5 out of 5 by from Thermocouple Wire This wire was exactly as advertised. The wire is very stiff, but is to be expected. Had a little difficulty stripping the wire.
Date published: 2021-01-04
Rated 5 out of 5 by from Will purchase again This product came quickly and was exactly as expected! Great quality wire that works as described, and the spool it comes in makes storage really easy and compact. This stuff is also seemingly indestructible which I love!
Date published: 2020-07-08
Rated 5 out of 5 by from Exactly as advertised. Exactly as advertised. The insulation is a little tricky to strip, but that is expected with the high temperature rating. The wire is very stiff as well, which makes it a little more difficult to work with when routing wiring.
Date published: 2020-05-07
Rated 5 out of 5 by from Superior Tolerance and Corrosion Resistance I have been using this K-Type thermocouple wire in my R&D Engineering Lab for over 6 years. I am slowly replacing old J-Type wire with this K-Type wire as the J-Type is showing corrosion in areas where moisture is more prevalent. Since we build humidifiers in the lab, resistance to corrosion is key. And, this K-Type wire has shown zero signs of corrosion because of the bi-metals used. It is very easy to order online with Omega and their e-commerce interface is easy to use and simple to compare specs with other available products. They're telephone customer service is superior as well. I have always got the technical support I need, and quickly.
Date published: 2019-03-11
Rated 5 out of 5 by from Great cable I think that there are just a couple of companies that make good thermocouple wire and Omega is one of, if not, the best of the market.
Date published: 2019-01-03
Rated 4 out of 5 by from wire works in application needed I use this in data acquisition tests. Thermal couples usually last a month or so.
Date published: 2018-10-03
Rated 5 out of 5 by from Omega TC systems I have used Omega products since starting at Sandia Labs in 1976. Now that I am retired, I still look only at Omega for thermocouple and related products.
Date published: 2018-08-11
Rated 5 out of 5 by from Good Quality My customer is very pleased with the results using this product
Date published: 2018-07-02
Rated 5 out of 5 by from Thermocouple wire I have an Omega CL3512A and I need thermocouple wire to measure temperature from -160 ~ 1200 degree celcius, can you show me which type i need?
Date published: 2018-05-07
Rated 5 out of 5 by from Works Well We use this in our kiln to heat treat lumber for pest control. I bought the solid wire due to its higher temperature rating but I wish I could get it in a stranded.
Date published: 2017-11-28
Rated 4 out of 5 by from Just what I needed. This wire was recommended in the Garmin Installation Manual that I am using to install a G3X Touch EFIS system. Exactly what I needed.
Date published: 2017-11-22
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How much is the response time for this Thermocouple TT-K-24-SLE-1000. We are using this TC for our machine. We'd like to know the response time of Thermocouple TT-K-24-SLE-1000.Thank you so much

Asked by: khanhvu Nikkiso VN
Thank you for your inquiry. Please review the following link for all information in regards to the response time of our thermocouples: https://www.omega.co.uk/temperature/Z/ThermocoupleResponseTime.html
Answered by: Application Engineer MC
Date published: 2023-04-24

Is tt-K-24S approved for use in UL508A enclosed industrial panels

Asked by: MikeN
Hi MikeN Thank you for the inquiry. This part# does not have a UL rating. Please check specific wire requirements and forward to TEMP@OMEGA.COM Best regards OMEGA
Answered by: NorwalkAE_RS
Date published: 2022-12-06

How can we strip the wires of GG-K-24S-1000? Is there any particular tool/stripping procedure available? My customer is using the normal wire stripper and the insulation also come off.

Asked by: RAJ Newark
Thank you for your inquiry. You will need to use a thermal wire stripper to remove insulation properly.
Answered by: Application Engineer CB
Date published: 2023-01-18

Is Omega able to calibrate thermocouples for us prior to shipment?

Asked by: jpvance
Hello and thank you for the asking this question. Yes, OMEGA can calibrate these for our customers prior to shipment. For more information on our calibration services check out this link https://www.omega.com/en-us/calibration-temperature-page
Answered by: ASEMO
Date published: 2022-12-19

What is Country of Origin for this part? TT-K-30-SLE-500 Model

Asked by: cute
TT-K-30-SLE-* has a country of origin of US.
Answered by: Application Engineer RD
Date published: 2022-11-22

Is GG-K-20S-50 RoHS-compliant?

Asked by: Hanistor
Hello, If the wire was ordered as GG-K-20S-50 then it will not be ROHS compliant. If ordered as GG-K-20S-50-ROHS then it would be made ROHS compliant.
Answered by: Engineer9
Date published: 2019-11-14

On the table inside the specs of this thermocouple, there's a column "Nominal Size". What are the units of that column? millimeters? inches?

Asked by: fzigunov
Thank you for your inquiry fzigunov. The unit of the Nominal Size column is inches.
Answered by: Application Engineer SP
Date published: 2021-06-10
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