Apparatus and method for sampling a liquid

Details Apparatus and method for sampling a liquid Apparatus and method for sampling a liquid

1976-12-13

1977-11-08

Swisher, S. Clement

Measuring and testing

Measuring vessel

G01N 114

Patent

active

040569829

ABSTRACT:
An apparatus for sampling a liquid includes a chamber into which liquid is pumped and a pressure sensor that detects the time instant when liquid reaches a sample duct from the container. The pump is controlled by a signal from a timing device that is initiated by the pressure sensor so that the volume of liquid being pumped through the sample duct can be controlled by the timing device switching off the pump. The pump is started at predetermined time intervals by a periodic timer. After the pump is switched off, the chamber is drained of liquid and reoccupied by air.

REFERENCES:
patent: 3015957 (1962-01-01), Paulson
patent: 3771366 (1973-11-01), Tholin

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