Thermometer, DURAC, 50/550F, Bi-Metal Formerly Par
HB Instruments Thermometer, Bi-Metal Dial, 50 to 550°F Range, 2°F Division, 50mm Dial Size, 50mm Minimum Immersion Length in Liquid or 100mm Minimum Immersion Length in Gases, 1% Accuracy, 200mm L Stainless Steel Probe, Feature Polycarbonate Lens a Beaker Clip with Built in Adjustment Tool, External Adjustment Nut Allows for Simple Field Calibration, Multi-language Statement of Test and Calibration - BEL