Portable coating weight reader

Details Portable coating weight reader Portable coating weight reader

2006-01-10

2006-01-10

Porta, David (Department: 2878)

Radiant energy

Invisible radiant energy responsive electric signalling

Infrared responsive

C250S339060, C250S339010, C250S338100, C250S336100, C324S067000

Reexamination Certificate

active

06984825

ABSTRACT:
A portable system for non-destructively measuring amount of coating on a metallic substrate based upon infrared absorbance includes a portable, hand-held measurement unit housed in a pistol-gripped case and an optical sensing unit that has an infrared source and a detector. The infrared source is configured to transmit infrared energy toward a metallic substrate having a coating thereon. The infrared energy passes through the coating, reflects off a surface of the substrate, passes back through the coating, and is detected by the detector. A processor correlates amount of infrared absorbance in the coating to amount of the coating. A base unit holds the hand-held measurement when not in use and charges a battery of the hand-held measurement unit. The base unit includes connectors for uploading and downloading data from and to the hand-held measurement unit and for communicating with an optional host computer.

REFERENCES:
patent: 5091647 (1992-02-01), Carduner et al.
patent: 5381234 (1995-01-01), Barbee et al.
patent: 5795394 (1998-08-01), Belotserkovsky et al.
patent: 2002/0152027 (2002-10-01), Allen
patent: 2003/0074095 (2003-04-01), Nebauer et al.

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