Why oil filled bimetallic thermometer oil

Oil filled bimetallic thermometer is generally used in industry, petroleum, chemical industry, power engineering, pipeline, etc. , mainly used in the environmental vibration, can display temperature field, intuitive and convenient, safe and reliable, long service life and can fast reading. Which has been got the favour of the masses of users. Oil filled bimetallic thermometer oil filled to transparent, no impurities or debris. Oil filled main purpose is to reduce the external vibration environment disturbance to the pointer, achieve the goal of ensure the sensitivity of the thermometer. So oil filled bimetallic thermometer why oil? To tell you. 1, general oil because of the oil plug is not plugged or not good, or filling oil plug burst can cause oil leakage. 2, if the cover is a margin oil filled bimetallic thermometer, piping without good roll, can cause oil leakage. 3, cover rubber gasket between the circle and pan installation does not reach the designated position, did not have the effect of sealing, can also lead to leak. 4, seal between joints and pan was not well done, can also lead to leak. Detection method of oil charge double metal thermometer leak is to put the oil filled bimetallic thermometer, in 60 ℃ heating temperature is placed in the oven for 30 minutes, take out after for leakage phenomenon.