The bimetallic thermometer has the advantages of fast response, small size, good linearity, relatively stable, no mercury hazard, easy to read, robustness and vibration resistance, and can replace industrial mercury-in-glass thermometers. The nickel-plated copper shell greatly improves the surface hardness, improves corrosion and wear resistance, and extends the service life. The dial has clear scales, exquisite screen printing process, and the scales are clear and clear at a glance. Stainless steel protective tube, 304 stainless steel has the advantages of rust and corrosion resistance, high temperature resistance, environmental protection and sanitation, long service life, etc. Product model: 40Measuring range: 0-250°F, -18-120°C Installation form: shaft Accuracy class: 2.0 Temperature measuring rod material: stainless steel Thermal response time: ≤40 seconds Protection class: IP55 Angle error: no more than 1% of other ranges Connection method: embedded Product size: 6.5*6.2*9cm Package size: 6.7*7.10.5cm Product weight: 131g Package weight: 149g Out of the box Box size: 37*37*45cm Dial Diameter: 63mm Nut Diameter: Without Nut Temperature Measuring Rod Diameter: 6mm Thread Installation Size: 1/2" NPT Quantity on Delivery: 1 piece becomeveryrich