Thermometer Calibration Procedure Laboratory

Take readings from calibrated thermometer and thermometer to be calibrated at selected points and compare the readings.

Thermometer calibration procedure laboratory.

5 2 10 standard thermometers shall be sent for re standardization based on the calibration certificate given by the approved laboratory. Heat the beaker of sand with thermometers in an oven to desired range. Record the results using actual values on the thermometer calibration log along with the date and initials of the person performing the calibration procedure. Meeting the criteria in this procedure demonstrates.

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. 5 2 8 the thermometer shall have an identification number and standardization date labeled on it. Refer to attachment 1 for inventory of thermometers requiring vendor calibration.

Procedure and analysis 12 1 vendor calibration a. Before the calibration the infrared thermometer should be allowed enough time to reach the temperature of the laboratory typically 15 minutes. Thermometers in the instrument being monitored until the de ionized water or ethanol reaches the temperature of interest. Materials necessary to calibrate a thermometer for cold.

Place certified calibrated thermometer and thermometer to be calibrated in a beaker of sand. Hb 145 was developed as a source of calibration procedures for weights and measures laboratories and covered mass length and volume calibrations for field. 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. Oppermann is out of print and the majority of content has been updated and published in the publications noted below.

Thermometer calibration procedure. Nonadjustable thermometers will be removed from use until they have been professionally serviced. Nbs handbook 145 1986 handbook for the quality assurance of metrological measurements by john k. 5 2 9 all thermometers shall be standardized once a year and calibration record maintained annexure ii.

Taylor and henry v. 14 issue 2 thermometers are one of the most common types of equipment in a laboratory but it is important. 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. This is an especially important consideration when bringing a thermometer in from the outside.