Boil tap water and pour into a suitable container such a mug or beaker step 2.
Thermometer calibration procedure australia.
It is best to calibrate your infrared thermometer at more than one temperature at 41 f 5 c and 140 f 60 c for example and the infrared comparator cup makes it easy.
Accountability head quality control procedure.
Probe thermometer calibration should be listed as a regular activity in your food safety plan.
If the temperature is above 32 f 0 c add more crushed ice to the beaker.
If the temperature readings are higher than 1 c or lower than 1 c attach a label to the thermometer showing the date the calibration check was made and the variation from 0 c.
Fill a plastic container with crushed ice.
The reading should be 100 degrees celsius.
If neither an industrial black body or a comparator cup are available however you can do a quick calibration using a properly made ice bath.
There are two methods for thermometer calibration hot calibration and cold calibration.
Operate the refrigerator as per standard procedure.
Alternatively purchase a new thermometer.
For the boiling water method sit your food thermometer in boiling water.
The steps for hot calibration are as follows.
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If the reference thermometer is not equilibrating to 32 f 0 c slush ice bath start over with a clean beaker of crushed ice and distilled water.
Hk calibration technologies pty ltd hkct has the equipment to calibrate thermometers from 85 to 1350 degrees celsius.
Two of the most acceptable methods to check the accuracy of your food thermometers is by boiling water and an ice water slurry.
If consecutive readings are not within 0 5 c replace or service the thermometer.
Temperature is critical to many processes in a variety of situations.
His sop shall be applicable for calibration of refrigerator at pharmaceutical industries.
The nist reference thermometer should read 32 f 0 c when placed in the slush ice bath.
Do not soak the thermometer in water or other liquids.
Objective to describe the calibration procedure for distribution of temperature within the chamber of refrigerator.
For the ice slurry method the reading should be zero degrees celsius.
To calibrate your thermometer using the ice point calibration method follow these steps.
Laboratories clinics and hospital facilities rely on the accuracy of their digital thermometers every day.