H-B DURAC Bi-Metallic Dial Thermometer; 10 to 150C (50 to 300F)， 1/2 in. NPT Threaded Connection， 75mm Dial (B61310-7400)</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>Bi-metallic dial thermometer has 3" dial diameter with readings in Fahrenheit and Celsius for industrial applications</li><li>1/2" NPT threaded connection for industrial installations and pipe lines</li><li>Choice of 2"/50mm stem length for use with liquids， or 4"/100mm stem length for use with liquids or gasses</li><li>Stainless steel case and stem provides durability， and polycarbonate lens has external adjustment feature to ease field calibration</li><li>Includes Statement of Test and Calibration</li></ul></div></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br><img src='http://ecx.images-amazon.com/images/I/51LgUW7SmRL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/412gItFZSeL.jpg' noproxy></br>