Level and temperature readout and alarm system

Details Level and temperature readout and alarm system Level and temperature readout and alarm system

1979-11-01

1980-10-28

Waring, Alvin H.

Communications: electrical

Condition responsive indicating system

With particular system function

340 52F, 340508, G08B 1900

Patent

active

042310253

ABSTRACT:
For use with a resistance level and temperature sensor, operative to provide a measure of the level and temperature of a fluent material, a readout and alarm system operative to provide a numerical readout of material level and temperature as well as visual and audible indications of alarm conditions. The system is contained within a portable housing which can be employed in hostile environments and which can provide intrinsically safe operation in explosive atmospheres.

REFERENCES:
patent: 3764984 (1973-10-01), McCartney
patent: 4034335 (1977-07-01), Harazoe et al.
patent: 4038634 (1977-07-01), Caliri
patent: 4053868 (1977-10-01), Cox et al.
patent: 4140996 (1979-02-01), Leitch et al.

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