Alarm color plate structure of a micro-differential pressure gauge
US8508365B2 · kind B2 · utility
2Cited by
2References
8Claims
0Family size
Inventor
Key dates
| Filing date | May 10, 2011 |
| Grant date | Aug 13, 2013 |
| Priority date | — |
| Expiry date | Apr 11, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01L19/10
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
An alarm color plate structure of a micro-differential pressure gauge includes a transparent casing. The transparent casing has a slot which is located corresponding to the range of movement of a pointer or a scale plate. An alarm plate is provided in the slot. The alarm plate has a plurality of areas with different colors or marks for the user to know whether the position and the value of the pointer are normal or not.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.