Low temperature alarm

Details Low temperature alarm Low temperature alarm

1987-05-14

1989-01-31

Swann, III, Glen R.

Communications: electrical

Condition responsive indicating system

Specific condition

340573, 340584, 340594, 340693, G08B 2100

Patent

active

048019224

ABSTRACT:
An alarm device has a housing provided with visual and audio alarm indicators which give a warning when the temperature of a particular location is at a predetermined relatively low temperature to prevent freezing and wherein a modification is provided which has a switch that activates an enhanced audio alarm responsive to a predetermined temperature lower than the first referred to temperature.

REFERENCES:
patent: 3745545 (1973-07-01), Darbo
patent: 3810139 (1974-05-01), Fergusson
patent: 4212007 (1980-07-01), Reyes et al.

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