Level sensor and alarm

Details Level sensor and alarm Level sensor and alarm

1989-04-24

1991-01-22

Orsino, Joseph A.

Communications: electrical

Condition responsive indicating system

Specific condition

73308, 200 84R, G08B 2100

Patent

active

049874098

ABSTRACT:
An alarm system is disclosed for use with a water softener including a salt-brine tank containing a bed of salt. The alarm system includes a sensor situated in the salt-brine tank on the top of the bed of salt, an electronic circuit including an alarm, and an input for connecting the circuit to the sensor. The sensor is responsive to direct contact with the brine for operating the circuit to initiate the alarm in the event the top of the bed of salt drops below a preselected level or the brine rises above another preselected level.

REFERENCES:
patent: 3102175 (1963-08-01), Eichenberger, Jr.
patent: 3392580 (1968-07-01), Bain et al.
patent: 3786464 (1974-01-01), Staempfi
patent: 4086457 (1978-04-01), Niedermeyer
patent: 4155082 (1979-05-01), Jones et al.
patent: 4600314 (1986-07-01), Theriault

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