PRESSURE GAUGES AND METHODS OF USE
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United States of America Patent
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Issued Date -
Sep 11, 2008
app pub date -
Mar 8, 2007
filing date -
Mar 8, 2007
priority date (Note) -
Abandoned
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Abstract
A pressure gauge apparatus for determining refrigerant pressures in a refrigeration system and methods of use are described herein. The pressure gauge apparatus may include a pressure gauge and a faceplate. The faceplate may be rotated such that ambient temperature and a pressure range are visually indicated on the pressure gauge. The pressure range may correlate to an adequate amount of refrigerant in the refrigeration system at ambient temperature.
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