Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi LtdfiledCriticalHitachi Ltd
Priority to JP12493576ApriorityCriticalpatent/JPS5350889A/en
Publication of JPS5350889ApublicationCriticalpatent/JPS5350889A/en
Other Investigation Or Analysis Of Materials By Electrical Means
(AREA)
Abstract
PURPOSE:To restrict the concentration of aerosol, passing through the sodium ionization detecting apparatus, less than a certain suitable concentration and to widen measuring concentration of leaked aerosol and also, to shorten the recovering time, by diluting sodium aerosol with fresh gas.