Should voltmeter be warm?

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ard126k
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Should voltmeter be warm?

Post by ard126k » Fri Feb 02, 2018 1:22 pm

I'm not sure why I did, but I put a finger on the voltmeter glass the other day and found it was noticeably warm! Seems to happen after a few minutes running, whether lights are on or not. Other guages are 'room temperature' Should I be worried?

Alex.


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philhoward
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Should voltmeter be warm?

Post by philhoward » Fri Feb 02, 2018 1:32 pm

Not really. The minor gauges work on a bi-metallic heater strip that heats up as part of the gauge operation.

It probably gets warmer as the higher up the gauge it is, the more heat it will generate. Voltmeter usually sits in the top half whereas the temp gauge shouldn't go over halfway and the fuel gauge depends on how flush you're feeling :D

It's not uncommon to see condensation on the inside of the glass as they warm up in this weather,


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ard126k
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Should voltmeter be warm?

Post by ard126k » Fri Feb 02, 2018 1:37 pm

Thanks Phil, panic over! Volts are just the usual 13 and a bit. I stopped worrying about the condensation years ago!


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Should voltmeter be warm?

Post by Terry H » Fri Feb 02, 2018 1:42 pm

It's not uncommon to see condensation on the inside of the glass as they warm up in this weather,
I get condensation in my Temperature Gauge when engine running. Good to know it's not steam escaping from the engine :lol: :lol:
Regards Terry H
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