Thermometer Calibration Procedure

Record the results using actual values on the thermometer calibration log along with the date and initials of the person performing the calibration procedure.

Thermometer calibration procedure.

10 1 annual thermometer calibration reports for nist traceable thermometers sections 7 1 7 2 and 7 3 are stored in the thermometers calibration certificates. Finally thermometers require regular calibration daily or weekly when they are used frequently. Traceable thermometers are certified annually by a contractor outside of the opp microbiology laboratory. Thermometers that cannot be easily calibrated through direct immersion in either.

Digital thermometer calibration procedure. Not applicable 10 0 procedure and analysis. Hb 145 was developed as a source of calibration procedures for weights and measures laboratories and covered mass length and volume calibrations for field. 5 1 3 put the beaker in an oil bath fitted with a stirrer.

9 0 sample handling and storage. Thermometers that have been adjusted for 3 consecutive months will be replaced. Learn how to test a thermometer s accuracy and how to calibrate a thermometer using two methods. The stirrer shall be dipped in the beaker.

A similar calibration procedure can be used for thermometers intended to be used in cold processes and products. Use these two methods to get your thermometer back on the right track. Oppermann is out of print and the majority of content has been updated and published in the publications noted below. Materials necessary to calibrate a thermometer for cold.

First there are those that have a nut or a screw for calibration. This is an especially important consideration when bringing a thermometer in from the outside. Different digital thermometers have different methods for the purpose of calibration. Before the calibration the infrared thermometer should be allowed enough time to reach the temperature of the laboratory typically 15 minutes.

5 1 calibration procedure 5 1 1 the thermometer for calibration shall be mercury in glass type. Nbs handbook 145 1986 handbook for the quality assurance of metrological measurements by john k. The thermometers will vary but the basic concept is the same. Fill a glass with crushed ice.

Add a little clean water until the glass is full and stir. For this particular type you have to. The first is the freezing point method. Step 2 test your thermometer.

5 1 2 take a 1000 ml beaker filled with about 850 ml of silicon oil. Use water for 0 0 c and silicon oil for the temperature above 50 c. Here s a useful video on the calibration process.