Thermometer Calibration Procedure Laboratory

Thermometers that have been adjusted for 3 consecutive months will be replaced.

Thermometer calibration procedure laboratory.

This is an especially important consideration when bringing a thermometer in from the outside. Nbs handbook 145 1986 handbook for the quality assurance of metrological measurements by john k. 5 2 8 the thermometer shall have an identification number and standardization date labeled on it. Heat the beaker of sand with thermometers in an oven to desired range.

Refer to attachment 1 for inventory of thermometers requiring vendor calibration. Before the calibration the infrared thermometer should be allowed enough time to reach the temperature of the laboratory typically 15 minutes. Meeting the criteria in this procedure demonstrates. 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.

Performance calibration and verification of laboratory testing equipment to ensure compliance with iso iec 17025 2017 and aoac requirements. 5 2 9 all thermometers shall be standardized once a year and calibration record maintained annexure ii. 14 issue 2 thermometers are one of the most common types of equipment in a laboratory but it is important. Take readings from calibrated thermometer and thermometer to be calibrated at selected points and compare the readings.

Place certified calibrated thermometer and thermometer to be calibrated in a beaker of sand. 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. Thermometer calibration procedure. Oppermann is out of print and the majority of content has been updated and published in the publications noted below.

Nonadjustable thermometers will be removed from use until they have been professionally serviced. A similar calibration procedure can be used for thermometers intended to be used in cold processes and products. North carolina state laboratory of public health laboratory improvement unit june 2018 vol. Taylor and henry v.

Record the results using actual values on the thermometer calibration log along with the date and initials of the person performing the calibration procedure. 5 2 10 standard thermometers shall be sent for re standardization based on the calibration certificate given by the approved laboratory. Materials necessary to calibrate a thermometer for cold. Procedure and analysis 12 1 vendor calibration a.