thermometers ashcroft incAvailable in dial diameters from 2 to 5 in. and in ranges from -80°F to 1,000°F (and Celsius equivalents), Ashcroft bimetal thermometers eliminate the use of mercury. The thermometers come in standard stem lengths from 2 1/2 to 24 in., or with special order stems up to 60 in. They are hermetically sealed for washdown or liquid filled to counter high vibration. 
Ashcroft Inc.; 800-328-8258;