The surface thermometer model have?

Surface thermometer to measure surface temperature of the instrument. In today's society surface thermometer has been widely used in industry, commonly used on the pipeline, chemical industry equipment, used to measure the surface temperature, special thermometer is pipes. In order to meet the needs of production, the use of models will also be different, the thermometer on the surface of what the model for you to choose? Below small make up to introduce thermometer on the surface of the four models for you, these four models is also the most commonly used to industry. Which is under the surface thermometer, on-site display temperature, intuitive and convenient; Safe and reliable, long life, fast reading. For your reference: ST200DM surface thermometer ST221SM surface thermometer thermometer ST221SS - ST221SS surface 3 surface surface thermometer is to rely on the principle of the double metal thermometer sensors principle of heat bilges cold shrink, by contact spring or magnet at the bottom of the thermometer to measure the metal surface and reading. This type of double metal surface thermometer can range from - 40 c to 500 c, the precision can be in for some using occasions for accuracy is not high, can yet be regarded as a money and cheap thermometer of beauty.