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<== Date ==> <== Thread ==>

Subject: What hardware are you using for TC measurements?
From: "Evans, Richard K. \(GRC-H000\) via Tech-talk" <tech-talk at aps.anl.gov>
To: "tech-talk at aps.anl.gov" <tech-talk at aps.anl.gov>
Date: Wed, 22 Jul 2026 13:29:26 +0000
Hello, 

If you are making TC/thermocouple measurements in EPICS, please take a moment and let me know:
- What hardware you are using? 
- What device support module you are using?
- Would you use it again on a new system?

We are looking for hardware options for thermocouple measurement devices that already have full EPICS device support and would be easy to use in a new system. Our goal is to select a device that ensures that we don't have to do any device support software development for it.   I am currently considering Digilent TC devices as supported by the EPICS measComp module (github.com/epics-modules/measComp), but I would like to see what else is out there. 

For the purpose of this inquiry, the key requirements for the TC devices we need are:
* Software configurable for all TC types
* Reference junction temperature compensated
* Able to run continuously for > 90 days without requiring any recalibrations or disruptive services of corrections
* Able to be synchronized with other devices clocking at the same rate (say 0.1 Hz to 10 Hz)

Eager to hear about what everyone is using and what people recommend.

Thanks!
/Rich

Richard Evans, Information Systems 
NASA's Neil A. Armstrong Test Facility
6100 Columbus Ave., Sandusky, Ohio 44870
mailto: richard.k.evans at nasa.gov

Replies:
Re: What hardware are you using for TC measurements? Mark Rivers via Tech-talk
Re: What hardware are you using for TC measurements? Johnson, Andrew N. via Tech-talk

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