Analogue meter which is legible under low-light conditons

Details Analogue meter which is legible under low-light conditons Analogue meter which is legible under low-light conditons

G - Physics

01

D

G01D 13/28 (2006.01) G01D 13/20 (2006.01) G01K 1/14 (2006.01) G01L 19/16 (2006.01)

Patent

CA 2429099

The invention is directed t industrial diagnostic gauges that are utilized in industrial applications. Example include pressure and temperature gauges utilized in petrochemical plants. The industrial diagnostic gauges include luminescent materials and reflective materials to facilitate accurate reading of the industrial diagnostic gauges in low and no light conditions from distances greater tha 4 feet. Broadly, the industrial diagnostic gauges include a housing, a diagnostic member, a face, at least one hand operatively associated with the diagnostic member, a clear window and a retaining ring. One or more of the face, marking, or hand may include at least one luminescent material or at least one reflective material. Additionally, the housing may include at least one marking having either at least one luminescent material or at least one reflective material. Methods of reading industrial diagnostic gauges and methods of manufacturing industrial diagnostic gauges are also disclosed.

L'invention concerne des indicateurs de diagnostic industriels qu'on utilise dans des applications industrielles. Des exemples incluent des manomètres et des thermomètres utilisés dans des usines pétrochimiques. Les indicateurs de diagnostic industriels comprennent des matériels lumineux et des matériels réflectorisants qui facilitent une lecture précise des indicateurs dans des conditions de luminosité inexistante ou faible, à des distances supérieures à 4 pieds. Les indicateurs de diagnostic industriels comprennent généralement un boîtier, un élément de diagnostic, un cadran, au moins une aiguille associée de manière fonctionnelle à l'élément de diagnostic, une fenêtre transparente et une bague de retenue. Le cadran, le marquage, et l'aiguille peuvent comporter, seuls ou de façon combinée, au moins un matériel lumineux ou au moins un matériel réflectorisant. De plus, le boîtier peut comprendre au moins un marquage comprenant soit au moins un matériel lumineux, soit au moins un matériel réflectorisant. L'invention concerne en outre des procédés de lecture d'indicateurs de diagnostic industriels et des procédés de fabrication desdits indicateurs.

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