5" Direct Drive Liquid Actuated Dial Thermometer.
Case of Type 302 Stainless Steel.
Stem of Type 303 Stainless Steel (Type 316 Stainless Steel optional).
Fitting is 1 - 1/4" - 18 swivel nut (Type 316 Stainless Steel optional).
Dial face features black lines and numbers on a white background, a black pointer, and a linear scale.
Crystal is heavy molded glass, thick gasket sealed, and waterproof (Plexiglass optional).
Bulb is .625" (15.9mm) diameter, tapered bulb chamber to .437" (11.1mm).
External calibration screw on back of case.
Accuracy within one scale division.
Standard Lengths from 3-1/2" (88.9 mm) to 72" (1828 mm).