Atmometer covering and method

Details Atmometer covering and method Atmometer covering and method

1993-11-01

1995-02-14

Miles, Tim

Gas and liquid contact apparatus

Contact devices

Porous sheet

738664, G01N 1910

Patent

active

053893115

ABSTRACT:
A covering for an atmometer includes an expanded polytetrafluoroethylene barrier layer that allows the passage of water vapor but not of liquid water. The barrier layer my be covered with a fabric layer, and may be coated on either side with a hydrophilic layer. The covering fits over an evaporating plate that may have either a flat or a convex evaporating surface.

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patent: 4921642 (1990-05-01), LaTorraca
patent: 4935169 (1990-06-01), Ernst
patent: 5000884 (1991-03-01), Bassteld

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