Refrigeration monitor and alarm system
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United States of America Patent
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Nov 19, 1985
Grant Date -
N/A
app pub date -
May 4, 1984
filing date -
May 4, 1984
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A refrigerant monitor and alarm includes a sensor positioned to detect the level of liquid state refrigerant in the system and provide an electrical output signal therefrom, a digital display for displaying the refrigerant level, and a circuit coupling the digital display to the sensor for actuating the digital display. In a preferred embodiment, the level display is a bar-graph LED-type display incorporated on a control panel also including a refrigerant level alarm and other parameter alarms.
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