Electricity: measuring and testing – Electrolyte properties – Using a ph determining device
Patent
1988-12-13
1990-07-10
Eisenzopf, Reinhard J.
Electricity: measuring and testing
Electrolyte properties
Using a ph determining device
324439, 324156, 324149, G01N 27416, G01N 2702
Patent
active
049409468
ABSTRACT:
A hand held sensor body with a manually extendible two-pronged probe contains an ion meter for both chlorine concentration and for pool water acidity. The sensor is D. C. powered and the probe has dual metallic rods extending from the hand-held probe and terminating in alloy sensor tips. The body of the sensor containing the meter also detachably encases the hand-held probe when the probe is not in use. The meter case tapers downwardly in width to a battery chamber with access for the probe cable. The battery chamber has contacts for connection to the meter and an electrical contact for the control knob for an adjustable potentiometer imposed in the electrical circuit between the meter and the probe.
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patent: 3959087 (1976-05-01), Morrow
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patent: 4696189 (1987-09-01), Hochreuther
patent: 4752360 (1988-06-01), Jasinski
patent: 4752740 (1988-06-01), Steininger
Eisenzopf Reinhard J.
Greigg Edwin E.
Harvey Jack B.
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