Electricity: measuring and testing – Determining nonelectric properties by measuring electric...
Patent
1994-08-01
1996-01-02
Wieder, Kenneth A.
Electricity: measuring and testing
Determining nonelectric properties by measuring electric...
324425, 2041531, 204412, 204431, G01N 2742
Patent
active
054811813
ABSTRACT:
An device for monitoring workplace air comprises a monitor cell comprising a base and a removable assembly. The removable assembly comprises (1) a flat, electrically insulating substrate having a first surface, (2) an electrolyte cell having an anode and a cathode disposed on the first surface, the anode and cathode spaced apart to define a controlled volume for holding a quantity of an electrolyte, and (3) means for applying a controlled electrical potential to the cathode. The base comprises (1) an air inlet portion for sampling air, (2) an air outlet portion connected to an air sampling pump, (3) a channel connecting the air inlet and the air outlet and adapted to introduce air to the electrolyte in the electrolyte cell, (4) a reservoir for storing the electrolyte for the electrolyte cell, and (5) a wick for supplying electrolyte from the reservoir to the electrolyte cell.
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McHardy John
Megerle Clifford A.
Townsend Carl W.
Denson-Low W. K.
Do Diep
Hughes Aircraft Company
Lachman M. E.
Sales M. W.
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