Device for adjusting correction factor of a plunger lift pipet

Details Device for adjusting correction factor of a plunger lift pipet Device for adjusting correction factor of a plunger lift pipet

1994-10-21

1996-07-02

Williams, Hezron E.

Measuring and testing

Sampler, sample handling, etc.

Capture device

7386416, 422100, 222309, G01N 114

Patent

active

055311318

ABSTRACT:
A plunger lift pipet for a slip-on pipet tip which includes adjusting mechanism for changing the travel of the plunger, display mechanism for the liquid volume pipetted each time, disengageable coupling mechanism between the adjusting mechanism and the display mechanism for changing a pipet correction factor determining the relation between the travel of the plunger and the indicated liquid volume, the coupling mechanism positively connecting to each other the adjusting mechanism and the display mechanism and switching mechanism for completely disengaging the coupling mechanism and changing the pipet correction factor by setting the adjustment mechanism being provided.

REFERENCES:
patent: 3013435 (1961-12-01), Rodrigues, Jr.
patent: 3613952 (1971-10-01), Gilmont
patent: 3827305 (1974-08-01), Gilson et al.
patent: 4096751 (1978-06-01), Withers et al.
patent: 4250755 (1981-02-01), Kenney
patent: 4554134 (1985-11-01), Tervamaki et al.
patent: 4672857 (1987-06-01), MacDermott
patent: 4909991 (1990-03-01), Oshikubo
patent: 5320810 (1994-06-01), Al-Mahareeq et al.

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