Bimetallic thermometer casing length and measure the matter?

Bimetallic thermometer protecting casing is set outside temperature measuring element, can also be pre-installed in the inconvenience of disassembly device with pressure, resist the measurement medium pressure and corrosion effect, make the bimetallic thermometer and so on instrument can work normally. Bimetallic thermometer is a kind of measurement in the field of low temperature test instrument. Bimetallic thermometer can be directly measured in the process of various production - 80 ℃ ~ + 500 ℃ within the scope of liquid, steam and gas medium temperature. Those metal thermometer casing length and measure the matter? Instrument replied, bimetallic thermometer casing diameter is based on measuring the length of the pipe or equipment related to the depth, as long as the double metal tail length can be in the level of measured medium will not affect measurement accuracy, bimetallic thermometer to measure original bimetallic strip length for about 60 mm, as long as it can under medium level measurement won't affect the measurement.