H-B DURAC 10/30 Ground Joint Liquid-In-Glass Thermometer; -10 to 250C, 75mm Immersion, Organic Liquid Fill (B60804-1600) Range: -10 to 250C; divisions: 1; length: 360mm; accuracy: 1C, 1.5C above 150C Features a 10/30 ground joint and celsius scale Calibrated for a specific immersion depth of 75mm