Go to Amazon.com : http://cheap.waitmejapan.com/?asin=B00551PT50<br /><br /> HB DURAC BiMetallic Dial Thermometer 20 to 120C 0 to 250F 12 in NPT Threaded<br /><br />Product Description : <br />Bi-metallic dial thermometer has 3 dial diameter with readings in Fahrenheit and Celsius for industrial applications<br />12 NPT threaded connection for industrial installations and pipe lines<br />Choice of 250mm stem length for use with liquids or 4100mm stem length for use with liquids or gasses<br />Stainless steel case and stem provides durability and polycarbonate lens has external adjustment feature to ease field calibration<br />Includes Statement of Test and Calibration