These Thermometers are calibrated against NlST standards and comes with a calibration document showing corrections to the nearest tenth of a scale division traceable to NIST These thermometers meet with all prescribed ASTM requirements. Each incorporates the ice point when not on scale (0 or 32°F) as a reference point enabling the user to validate and update the calibration document to insure accurate temperature measurements over the life of the thermometers.
1.Each thermometer is calibrated against NlST Standards
2.Certified at 5 temperatures with correction factors
3.Traceable calibration document Included
4.Blue-Spirit range (-38 to 155°C) or (-36 to 311°F)
5.Mercury Range (-38 to 405°C) or (-36 to 761°F)