Thermocouple Measuring Busbar Temperature
Thermocouple Measuring Busbar Temperature
(OP)
Apologies as this may be a stupid question :
I want to use a thermocouple to measure the temperature of a piece of busbar. My concern is the busbar will be charged with 120 V. Attaching a K type thermocouple directly to the busbar would cause problems for the temperature reading, no?
Thank you for your time.
I want to use a thermocouple to measure the temperature of a piece of busbar. My concern is the busbar will be charged with 120 V. Attaching a K type thermocouple directly to the busbar would cause problems for the temperature reading, no?
Thank you for your time.





RE: Thermocouple Measuring Busbar Temperature
Take a look st this thread. There are some similar issues.
http://www.eng-tips.com/viewthread.cfm?qid=419502
Pay particular attention to this advice from Skogsgurra in regards to bare TCs:
DO NOT BOND TCs TO ANYTHING THAT CARRIES CURRENT
Bill
--------------------
"Why not the best?"
Jimmy Carter
RE: Thermocouple Measuring Busbar Temperature
Can you use a non-contact laser thermometer instead?
RE: Thermocouple Measuring Busbar Temperature
Oh and Scotty, didn't he say "120V"?
Keith Cress
kcress - http://www.flaminsystems.com
RE: Thermocouple Measuring Busbar Temperature
I can honestly say that the week I spent at the IPH test facility in Berlin was an eye-opener about arc flash. I'm not sure that an arc is sustainable with 120V at typical busbar separation distances but why take the chance if the risk is avoidable through choosing a better measurement technique?
RE: Thermocouple Measuring Busbar Temperature
[img http://w3.siemens.com/mcms/sensor-systems/en/proce...]
It appears that the probe end that connects to the electronic box has a SS transition and some sort of electrical connector, but the probe looks like fiber optic glass.
1Hz update rates.
And you'd have to deal with Profibus DP.
No clue what the pricing is.
RE: Thermocouple Measuring Busbar Temperature
Dan - Owner
http://www.Hi-TecDesigns.com
RE: Thermocouple Measuring Busbar Temperature
Keith Cress
kcress - http://www.flaminsystems.com