Ion-measuring apparatus for use in process

Details Ion-measuring apparatus for use in process Ion-measuring apparatus for use in process

1989-12-07

1991-04-02

Kaplan, G. L.

Communications: electrical

Condition responsive indicating system

With particular system function

204401, 324537, 364497, 36455101, G08B 2100, G01N 2726

Patent

active

050049984

ABSTRACT:
An ion-measuring apparatus for use in processes, characterized by comprising 3 or more ion-measuring electrodes for measuring a same one ion contained in a same one sample, means for computing a mean value of measured values obtained by means of said ion-measuring electrodes, an indicating portion for indicating the computed result, means for judging an existence of an abnormality in the ion-measuring electrodes and an alarm for emitting a maintenance alarm when the abnormality occurs in any one of the ion-measuring electrodes so that the ion-measuring electrode, which has been judged to be abnormal, may be excluded to continue a measurement by means of remaining ion-measuring electrodes.

REFERENCES:
patent: 4337516 (1982-06-01), Murphy et al.
patent: 4402054 (1983-08-01), Osborne et al.
patent: 4686011 (1987-08-01), Jackle
patent: 4734184 (1988-03-01), Burleigh et al.
patent: 4777444 (1988-10-01), Beijk et al.

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