Calibration Frequency Requirements of Liquid in Glass Thermometer

Y

yoosuf

#1
Hi, Covers,

I think that it is sufficient to calibration liquid in glass type thermometer once in its life time.

Your suggestions please.

Thanks

Yoosuf
 
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Marc

Hunkered Down for the Duration with a Mask on...
Staff member
Admin
#2
Are you referring to mercury in glass thermometers? Many companies just throw them away because it's cheaper to buy a new one which comes with a calibration certificate than to pay for calibration. It really depends upon the criticality of the use.

As a starter, here are some existing related discussions: Thermometer Calibration
 

Jerry Eldred

Forum Moderator
Super Moderator
#3
No disagreement about Marc's inputs. If you need to keep them, best practice does dictate re-certification periodically. They can develop very small fractures along the stem, which can change readings at some temperatures along the thermometer's length.
 
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