Bimetallic thermometer is not oil filled?

Bimetallic thermometer is a kind of common temperature measurement instruments, household, industrial equipment, nuclear power plants, hvac equipment, ventilation equipment can be used to it. We know that in the bimetallic thermometer header filled with silicone oil or glycerin, can have the effect of shock absorption. The bimetallic thermometer not oil filled? Model: A300C - 1 ( WSS3B825150) Type: hot shell bimetallic thermometer structure: universal type cover circle: flange type, tray type panel material: stainless steel SS304 tooth head: 1/2 & quot; NPT other optional surface diameter: 80 mm heat pipe diameter: 6. 35 mm heat pipe length: 150 mm ( 50 - Optional) around 2000 mm. Temperature range: 0 - 150 c F ( Can be customized) Accuracy: & plusmn; 1. Table: 5% glass protection grade: IP65 ( Dust, water) This is a common type of universal bimetallic thermometer, its structure is the common structure. Thus, bimetallic thermometer can be no oil filled. So we have bimetallic temperature the choose and buy time to figure out what to use environment, if it is used in vibration environment, it will have to choose oil filled bimetallic thermometer; If is normal, the only need to select the general structure of the bimetallic thermometer.