H-B DURAC Liquid-In-Glass Maximum/Minimum Thermometer; -35 to 50C (-30 to 120F), Organic Liquid Fill (B60761-0000) Measures maximum and minimum temperatures Features a U-shaped thermometer, mounted on a plastic casing, with metal floats at the top of each column Used in high moisture or wet environments including green houses, sample prep areas and water treatment facilities Length: 200mm (7.9); Range: -30/50C (-30/120F); Divisions: 1C; 2F; Accuracy: 1C at ambient; 2C at -30C tolerance Waterproof