Nist does not monitor claims of traceability.
Thermometer calibration procedure nist.
2 1 7 nist ir 5341 assessment of uncertainties of liquid in glass thermometer calibrations at the national.
Bulb volume change ice bath ice point its 90 liquid in glass thermometer recalibration thermometer.
A procedure for the effective recalibration of liquid in glass thermometers author.
Obtain the most accurate readings possible with these thermometers that include a calibration certificate traceable to nist that states they ve passed a test to fall within 0 5 f accuracy.
Whether monitoring temperatures at receiving throughout production or final product storage and distribution thermometer calibration is.
Oppermann is out of print and the majority of content has been updated and published in the publications noted below.
2 1 5 nbs monograph 174 thermometer calibration.
Temperature is a critical measurement for ensuring the safety and quality of many food products.
There are a variety of commercial temperature monitoring devices available.
A model for state calibration laboratories 6 2 1 6 nist special publication 819 a procedure for the effective recalibration of liquid in glass thermometers j a.
Nbs handbook 145 1986 handbook for the quality assurance of metrological measurements by john k.
The thermometer probe is connected to a cable so the display can be mounted away from your system for remote viewing.
Taylor and henry v.
Procedures and examples are given for visually inspecting a thermometer using an ice point for a single point recalibration and determining uncertainties for thermometers with a single point recalibration.
Any mention or image of commercial products within nist web pages is for information only.
Place certified calibrated thermometer and thermometer to be calibrated in a water bath.
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 notebook.
It does not imply recommendation or endorsement by nist.
10 2 once a year all of the thermometers falling under section 7 4 of this sop are checked at operating temperatures against one of the nist traceable.
Uncertainties of calibration should be clearly stated.
There are several factors relevant to evidence of traceability from the thermometer manufacturer vendor.
Thermometer h 2610 12c 20 degrees c to 102 degrees c nist certified.
Hb 145 was developed as a source of calibration procedures for weights and measures laboratories and covered mass length and volume calibrations for field.
Calibration methods and procedures should be openly documented.
Heat bath to desired range.
