Pipetting and diluting apparatus

Details Pipetting and diluting apparatus Pipetting and diluting apparatus

1978-11-24

1980-09-23

Swisher, S. Clement

Measuring and testing

Measuring vessel

422100, B01L 302

Patent

active

042235588

ABSTRACT:
Pipetting and diluting apparatus including an interchangeable syringe pump of predetermined volume capacity and a stepper motor for driving the syringe piston at a selected speed for dosing a selected volume of fluid. The piston stroke is calculated from the syringe volume capacity and the volume of fluid to be dosed. Control means controls the acceleration and deceleration characteristic of the piston in accordance with an exponential function dependent upon the selected piston speed and the syringe volume capacity.

REFERENCES:
patent: 3335724 (1967-08-01), Gienapp
patent: 3665980 (1972-05-01), Croslin
patent: 3677651 (1972-06-01), Shapiro
patent: 3915651 (1975-10-01), Nishi
patent: 3982899 (1976-09-01), Kelm

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