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Topic Title: Indumission Thermarestor
Topic Summary: Automatic Detection of Resistance Heating
Created On: 29 November 2013 09:34 AM
Status: Post and Reply
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 29 November 2013 09:34 AM
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TeesdaleSpark

Posts: 662
Joined: 12 November 2004

Has anyone any experience or opinions on the Indumission Thermarestor?

This is a device for detecting resistance heating in electrical equipment. I have not association with the company.


http://www.indumission.co.uk/
 29 November 2013 10:14 AM
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weirdbeard

Posts: 1655
Joined: 26 September 2011

Some opinions here, formerly known as pecaters.


http://www.theiet.org/forums/f...tid=205&threadid=48162
 02 December 2013 09:57 AM
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TeesdaleSpark

Posts: 662
Joined: 12 November 2004

Thanks for the link weirdbeard.

I've looked at these and they appear to work by inducing a fault to earth on hight temperature and relying on the RCD to trip the circuit. I don't particularly think that this is a good idea.
 07 December 2013 01:26 PM
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weirdbeard

Posts: 1655
Joined: 26 September 2011

No problem, can't say I like the look of them - other than proprietary testing causing an RCD to operate to obtain readings I would have thought that using a third party device to intentionally operate the RCD, particularly as an overheat safety cut out would be outside the parameters of the manufacturers intended function.
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