Title:
【発明の名称】プロセス用イオン測定装置
Document Type and Number:
Japanese Patent JP2577981
Kind Code:
B2
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.
Inventors:
HORII YOSHIO
Application Number:
JP31677888A
Publication Date:
February 05, 1997
Filing Date:
December 14, 1988
Export Citation:
Assignee:
HORIBA LTD
International Classes:
G01N27/26; G01N27/403; G01N27/416; (IPC1-7): G01N27/26; G01N27/416
Attorney, Agent or Firm:
Hideo Fujimoto