Many factors determine recertification of thermometers, such as usage, temperatures measured, in-house procedures, and regulatory agencies’ guidelines and policies. As a general guideline for good laboratory and manufacturing practices, thermometers should be recertified / verified on an annual basis.
What Goes into Calibration and Recertification
Complete visual inspection for any physical damage.
If possible, the damage will be repaired.
Thermometer readings are compared against NIST standards in high precision calibration baths using the comparison method at determined test temperatures.
Each temperature is recorded to 1/10th of a scale division.
A calibration report is generated detailing the pertinent information including the correction factors for each test point.
All calibration information is entered into the THERMCO data storage system.
All certification procedures are performed in accordance with NIST and ASTM guidelines, which meet with requirements set by regulatory agencies.
Complete all the information on the recertification form and carefully pack the thermometer along with the current calibration certificate and payment method. We accept: