Thermometer Calibration Procedure Australia

If consecutive readings are not within 0 5 c replace or service the thermometer.
Thermometer calibration procedure australia. Two of the most acceptable methods to check the accuracy of your food thermometers is by boiling water and an ice water slurry. To calibrate your thermometer using the ice point calibration method follow these steps. Place your thermometer into the container. If the temperature is above 32 f 0 c add more crushed ice to the beaker.
Objective to describe the calibration procedure for distribution of temperature within the chamber of refrigerator. 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. 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. While thermometers are comparatively simple instruments the consequences of a badly calibrated thermometer can result in freezers being too warm or furnaces not being hot enough.
Do not soak the thermometer in water or other liquids. 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. For the ice slurry method the reading should be zero degrees celsius. Probe thermometer calibration should be listed as a regular activity in your food safety plan.
The reading should be 100 degrees celsius. His sop shall be applicable for calibration of refrigerator at pharmaceutical industries. There are two methods for thermometer calibration hot calibration and cold calibration. For the boiling water method sit your food thermometer in boiling water.
Fill a plastic container with crushed ice. Alternatively purchase a new thermometer. Temperature is critical to many processes in a variety of situations. Laboratories clinics and hospital facilities rely on the accuracy of their digital thermometers every day.
The steps for hot calibration are as follows. Hk calibration technologies pty ltd hkct has the equipment to calibrate thermometers from 85 to 1350 degrees celsius. Operate the refrigerator as per standard procedure. 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.
The nist reference thermometer should read 32 f 0 c when placed in the slush ice bath. A digital thermometer calibration procedure.