Skip to main content Skip to navigation

Call us at 1-888-826-6342.

Fine Wire and Thermocouple Welder with Included Accessories

Thermocouple and Fine Wire Welder



Volume discounts available
Volume Discount Schedule
Quantity Price each
1-9 C$3,260.71
10-24 C$3,097.67
25-49 C$3,032.46
50-99 C$2,902.03
100-199 C$2,836.82
200+ C$2,771.60

In stock

Lead Time (If not in stock): 12 weeks
Thermocouple and Fine Wire Welder TL-WELD TL-WELD
  • Designed for Production of Commercial Grade Thermocouple Junctions
  • No Special Skills Needed to Operate
  • 120/220 Vac Selectable
  • Weld Wires up to 1.1mm(0.043in.) Diameter

TL-WELD 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.

Ratchet Action
Tool Type
Use With
Use with Wire AWG

The Thermocouple welder TL-WELD is designed for sensor manufacturers for the production of commercial grade thermocouple junctions, and for users of large numbers of exposed junction thermocouples such as test and development laboratories where multipoint temperature sensing of test pieces is required. No special skills are needed and most people will be capable of producing quality work with minimal practice.

The instrument can be operated via the front panel or by using the foot-switch provided. In addition to thermocouple work, the TL-WELD welder is used in many other applications involving the joining of wires to each other and to metal surfaces. This model is suitable for welding wires up to 1.1 mm diameter and has an argon gas shield facility. A satisfactory thermocouple junction is produced without using argon, but where argon is available a momentary purge is automatically triggered immediately prior to the weld to give optimum weld integrity.
loading all models
loading all reviews
Rated 4 out of 5 by from Simple, and does the job well We use this often, but not with the argon stream connected. Instead, a second person streams argon at the connector while the first makes the connection. Simpler and it works well.
Date published: 2019-07-25
Rated 5 out of 5 by from Solid fine wire welder! Works great! Just what we needed for building thermocouples
Date published: 2023-02-24
  • y_2023, m_9, d_28, h_3
  • bvseo_bulk, prod_bvrr, vn_bulk_3.0.35
  • cp_1, bvpage1
  • co_hasreviews, tv_0, tr_2
  • loc_en_CA, sid_TL-WELD, prod, sort_[SortEntry(order=HELPFULNESS, direction=DESCENDING), SortEntry(order=POSITIVE_FEEDBACK, direction=DESCENDING), SortEntry(order=SUBMISSION_TIME, direction=DESCENDING)]
  • clientName_omega
  • bvseo_sdk, java_sdk, bvseo-4.0.0
  • CLOUD, getReviews, 7ms
loading all QA

Is the TL-WELD suitable for use on J Type thermocouples?

Asked by: Robert CBI
Yes, it will weld J or K type thermocouples.
Answered by: Anonymous
Date published: 2022-03-09

Please explain the difference between the TC and TL-Weld thermocouple junction it just accessories?

Asked by: Simba
The TL-WELD has been offered by Omega for many years and the TC-WELD has been added recently. The specifications and functionality are very similar as well as the accessories. The TC-WELD is able to be offered at a more economical price through components used and manufacturing efficiency improvements.
Answered by: ApplicationsEngineerANB
Date published: 2022-03-09

Do you have any that are UL compliant?

Asked by: Cryoguy
Thank you for the inquiry. Unfortunately we do not offer UL rated welder at this time. Best regards OMEGA
Answered by: NorwalkAE_RS
Date published: 2022-03-28

Will it weld type C .020" wire?

Asked by: Blkscooby
Thank you for the inquiry. We do not have test data on tungsten wire above 0.003 inch which has been welded successfully. Please contact Omega Engineering Temperature Group for further information on tungsten wire welding. Best regards OMEGA
Answered by: NorwalkAE_RS
Date published: 2020-10-04

Will this welder work for Gauges smaller that 40 AWG. I have a 50 AWG platinum wires I need to weld, will it be able to do that ?

Asked by: Majid
Hi Majid, Thank you for the inquiry. In theory it is possible. But wires 36 awg and thinner are very difficult to take a successful weld. Normally a microscope is used to make these welds. Only a few skilled welders are able to make these welds with good success. Best regards, OMEGA
Answered by: NorwalkAE_RS
Date published: 2021-05-20

What fitting size is the Argon connector?

Asked by: IEV Mike
Thank you for the inquiry. The thread size of the connection fitted to the argon hose is Brass ¼” BSPT Female Thread. Best regards OMEGA
Answered by: NorwalkAE_RS
Date published: 2023-06-19

Hello how are you? I wanted to ask you if you can solder a PT100 RTD to cables such as the EXTT-3CU-26S. Thanks greetings!

Asked by: Hernan
There are no recommendations for Soldering with the TL-WELD as it is used to bond through welding the 2 dissimilar metals of a Thermocouple with no added materials.
Answered by: ApplicationsEngineerANB
Date published: 2021-05-11

Can I order just the argon hose if mine is damaged?

Asked by: Jcup
Please send a request to noted spare parts and the Argon hose for the TL-WELD.
Answered by: ApplicationsEngineerANB
Date published: 2023-07-20
  • y_2023, m_9, d_29, h_4CST
  • bvseo_bulk, prod_bvqa, vn_bulk_3.0.35
  • cp_1, bvpage1
  • co_hasquestionsanswers, tq_9
  • loc_en_CA, sid_TL-WELD, prod, sort_[SortEntry(order=NUM_ANSWERS, direction=DESCENDING)]
  • clientName_omega
  • bvseo_sdk, java_sdk, bvseo-4.0.0
  • CLOUD, getContent, 35ms
Save Configuration