This Enviro-Safe precision partial immersion thermometer is accurate and safe. Thermometer is 200mm (7.9in) in length; partial immersion 50mm (2in). It features environmentally safe non-toxic, non-hazardous, biodegradable Enviro-Safe liquid EnviroKleen certified by ChemTel, an independent laboratory. Has the same accuracy as similar mercury-filled thermometers, but unlike mercury-filled thermometers it is 100% environmentally safe. Each thermometer is individually serialized. Includes a multi-language (English, French, German, Italian, Portuguese and Spanish) Statement of Accuracy indicating accuracy traceable to NIST and DKD/PTB. Tested and calibrated in our exclusive triple accredited/registered ISO/IEC 17025:2005, A2LA accredited laboratory against equipment whose calibration is traceable to NIST. Made in the USA. Ideal for use in chemical laboratories, universities, scientific institutions, food and beverage processing, petrochemical laboratories, pharmaceutical industry, medical industry, manufacturers, dairies, breweries and distilleries. Thermometer Fill Type: Enviro-Safe. Back Glass: White. Range: 20 to 230°F. Divisions: 2. Accuracy: 2°F. Length: 200mm (7.9in). Immersion: 50mm (2in). Per Each. HB Instrument #: 20597.