This FRIO-Temp precision verification refrigerator thermometer is used to verify sample temperatures in Freezers, Refrigerators, Incubators and Ovens with traceability to NIST, DKD/PTB and most standards through ILAC. Tested and calibrated in H-B Instrument's exclusive triple accredited/registered ISO/IEC 17025:2005, A2LA accredited laboratory against equipment whose calibration is traceable to NIST. FRIO-Temp Thermometers feature PTFE safety coating and a multi-language (English, French, German, Italian, Portuguese and Spanish) Statement of Accuracy indicating accuracy traceable to NIST and DKD/PTB. Features Enviro-Safe liquid and is individually serialized. Ideal for chemical industry, petrochemistry, pharmaceutical, medical, cosmetic, producers of chemicals, university, dairies, breweries, distillers, beer cellars, refrigeration house, hot houses, scientific institutes, blood banks, refrigeration/freezer/incubator/oven equipment producers and producers of laboratory equipment. Range: -5 to 15°C. Divisions: 0.5. Accuracy: 0.5°C. Thermometer Fill: Enviro-Safe. Glass Beads: Enviro-Safe. Length: 125mm (4.9in). Bottle Size: 30mL.