Liquid uptake and discharge apparatus

Details Liquid uptake and discharge apparatus Liquid uptake and discharge apparatus

1982-03-26

1984-02-07

Swisher, S. Clement

Measuring and testing

Sampler, sample handling, etc.

Capture device

7386417, 422100, G01F 1106

Patent

active

044295839

ABSTRACT:
An apparatus for taking up and discharging liquid has at least one piston cylinder which responds to a command by taking up or discharging liquid, the arrangement being such that the number of liquid uptake operations is preset, with the piston cylinder being instructed to perform the discharge operation when the number of uptake operations actually performed is detected to exceed said preset number. A plurality of different liquid specimens can be mixed, and the mixture diluted when so desired, through a simple operation which assures great accuracy.

REFERENCES:
patent: 3666420 (1972-05-01), Paatssch
patent: 4101283 (1978-07-01), Sundstrom
patent: 4231990 (1980-11-01), Jottier
patent: 4299794 (1981-11-01), Kelly et al.

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