Patent Number: 8,714,100

Title: Pointer-type alarm mark structure of a micro-differential pressure gauge

Abstract: A pointer-type alarm mark structure of a micro-differential pressure gauge includes a transparent casing. The transparent casing has a shaft thereon. At least one alarm index is provided on the shaft. By adjusting the alarm index to a desired position, the user can know whether the pointer of the gauge is within a safe area.

Inventors: Chen; Li-Chen (Bade, TW)

Assignee: Hwa Chi Technology Co., Ltd.

International Classification: G01L 19/10 (20060101); G01D 13/22 (20060101); G01D 13/24 (20060101)

Expiration Date: 5/06/12018