Head diameter: 76mm (3"). Stainless steel stem in standard lengths as listed. For correct temperature indications, the stem should be immersed at least 50mm (2") in liquids and 100mm (3¹⁵/₁₆") in gases. Precisely calibrated bi-metal element.
Rugged, easily-read temperature gauges for laboratory and industrial use. Stainless steel case, polycarbonate lens, and external dial adjustment by Allen screw. Stainless steel connecting nut with ¹/₂" NPT threaded connection. Celsius scale marked in red and Fahrenheit scale in black. Accuracy within ±1% of range over entire scale.

Head diameter: 76mm (3"). Stainless steel stem in standard lengths as listed. For correct temperature indications, the stem should be immersed at least 50mm (2") in liquids and 100mm (3¹⁵/₁₆") in gases. Precisely calibrated bi-metal element.