Thermometer Calibration Procedure Laboratory

Procedure and analysis 12 1 vendor calibration a.

Thermometer calibration procedure laboratory.

Thermometer calibration for use in cold process and products ice water method an easy way to calibrate your thermometer is to put it in ice water and adjusting it to read. 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 2 9 all thermometers shall be standardized once a year and calibration record maintained annexure ii. Before the calibration the infrared thermometer should be allowed enough time to reach the temperature of the laboratory typically 15 minutes.

A similar calibration procedure can be used for thermometers intended to be used in cold processes and products. Thermometers that have been adjusted for 3 consecutive months will be replaced. Refer to the point check calibration of laboratory thermometers record book to determine which thermometers excluding vendor calibrated equipment in attachment 1 are currently in use in the laboratory. Take readings from calibrated thermometer and thermometer to be calibrated at selected points and compare the readings.

Meeting the criteria in this procedure demonstrates. 14 issue 2 thermometers are one of the most common types of equipment in a laboratory but it is important. Thermometer calibration procedure. Oppermann is out of print and the majority of content has been updated and published in the publications noted below.

Performance calibration and verification of laboratory testing equipment to ensure compliance with iso iec 17025 2017 and aoac requirements. North carolina state laboratory of public health laboratory improvement unit june 2018 vol. Place certified calibrated thermometer and thermometer to be calibrated in a beaker of sand. 10 5 any difference in temperature readings between the nist traceable thermometer and the laboratory thermometer is recorded on the point check calibration of laboratory thermometers record form see 16 0.

5 2 10 standard thermometers shall be sent for re standardization based on the calibration certificate given by the approved laboratory. Nbs handbook 145 1986 handbook for the quality assurance of metrological measurements by john k. Materials necessary to calibrate a thermometer for cold. Record the results using actual values on the thermometer calibration log along with the date and initials of the person performing the calibration procedure.

Taylor and henry v. 5 2 8 the thermometer shall have an identification number and standardization date labeled on it. Nonadjustable thermometers will be removed from use until they have been professionally serviced. This is an especially important consideration when bringing a thermometer in from the outside.