Mecury-in-Glass Thermometer Calibration Requirements

B

Bunny

#1
Is calibration of a mercury-in-glass thermometer necessary when the thermometer is used to measure the temperature of a standard refrigerator that holds a tube of adhesive?
 
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BradM

Staff member
Admin
#2
It depends on the criticality of the adhesive. If the adhesive would "fail" if the temperature went outside what is specified, then you need to be able to provide assurance that the refrigerator temperature is within specification.
 

somashekar

Staff member
Super Moderator
#3
Is calibration of a mercury-in-glass thermometer necessary when the thermometer is used to measure the temperature of a standard refrigerator that holds a tube of adhesive?
What is the range of storage temperature of that adhesive ?
If it is anything like 0'C to 8'C (cold room) which a standard commercial refrigerator maintains outside freezer box and inside the refrigerator compartment, and if the Hg in glass thermometer has a graduation for say, 0.5'C and can sense from 0'C to 25'C, I would not calibrate it after first time and store the thermometer safely when not in use.
I would be more interested to know if the refrigerator is assured kept powered on and working round the clock 24 x 7.
This measurement using the Hg in glass thermometer only gives temperatures at that measuring instant. A record of this temperature is no guarantee that the tube of adhesive has been stored all along at my measured temperatures.
 
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