Calibrating a barometer

Channel Hopper

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I've got this S+B barometer which, whilst functioning, is certainly not correct in its daily readings.

I could blag the neighbours barometer to check the calibration and adjust, but does anyone know of a site that deals with local atmospheric pressure and changes ?
 

Channel Hopper

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Twill do, thanks.

Now to fiddle with the knob....
 

Lazarus

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Channel Hopper said:
Twill do, thanks.

Now to fiddle with the knob....


No pressure, then ......................... :-shifty
 

Channel Hopper

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Tivù said:
No pressure, then ......................... :-shifty
The opposite, it's reading high, so the twiddling will be to gain some relief, fnar fnar
 

Channel Hopper

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The next couple of days will be a good test of the adjustments.
 

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Channel Hopper

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She's still not absolutely accurate, according to the link in post 2.

Though I have found the manual hand for daily checks does brush against the main unit as it sweeps by. I may have to space the glass off a few microns with a small gasket.
 
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