External recalibration Glass crystal ±1% range accuracy Thermometer contains stainless steel external parts and has a 203 mm x 4 mm diameter slim-stem design with a 2” dial. Three-point factory calibration is NBS traceable. Unit has plain fitting with hex nut for reset.

Stainless Steel, Bi-Metal, Pocket- 25 mm Accurate to within 1% range when stem is immersed in liquids to 51 mm or in gases to 102 mm or more Shock-resistant design Acrylic dial has black graduations and pointer enclosed in a stainless steel head, with clear, polycarbonate crystal, 25 mm…