METHOD FOR CHECKING HARDNESS SENSOR

PURPOSE:To make it possible to decide normal/abnormal of a hardness sensor by a constitution wherein a decision unit monitors the output from the hardness sensor in relation to the opening/closing of a channel to the hardness sensor. CONSTITUTION:Raw water from a raw water supply line 2 is subjected...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	TAKECHI SADATOSHI, TAKEDA HIROYUKI, TAKEMATSU KENICHIRO
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING METALLURGY PHYSICS TESTING TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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