POINTER- TYPE ALARM MARK STRUCTURE OF A MICRO-DIFFERENTIAL PRESSURE GAUGE

摘要

The present invention relates to a guided warning marking structure of a low pressure meter, and in particular, a shaft having the same shaft center as a pressure meter guide on a low pressure meter or a transparent case of a pressure meter, and one or more warning indicators on the shaft. By installing and adjusting the warning indicator to an appropriate position, it is possible to obtain the effect that it is easy to check whether the guideline and the numerical value are located in the normal section or exceeded the standard value with the naked eye.