To verify sample temperatures in Freezers, Refrigerators, Incubators and Ovens with traceability to NIST, DAkkSand most standards through ILAC.

Each item features fluoropolymer coating, a detailed Calibration Report stating corrections to one-tenth of the smallest division and individual serial number. Tested and certified in our exclusive triple accredited/registered ISO/IEC 17025:2005, A2LA accredited laboratory against equipment whose calibration is traceable to NIST and DAkkS. Individually packaged. Made in USA.

FRIO-Temp® Certified High Precision Liquid-In-Glass Verification Thermometers feature a narrow temperature range certified at two specific points, 0.2°C accuracy (H-B Catalog No. 20404C has an accuracy of 0.4°C).

FRIO-Temp® Certified Precision Liquid-In-Glass Verification Thermometers feature a narrow temperature range certified at one specific point, 0.5°C accuracy (H-B Catalog No. 20630C has an accuracy of 1°C; 1.5°C below -40°C).