These Positive Displacement Microdispensers consist of a plunger that fits tightly into the inside bore of a precision glass or plastic capillary. Pressing the microdispenser's thumb button pushes the plunger down the capillary, expelling any fluid/sample. During the downstroke, the plunger's tip slides along the inside of the capillary pushing out fluid residues that normally adhere there. Then at the bottom of the stroke, the tip extends slightly beyond the capillary end, assuring full sample delivery.
Direct digital set and readout for fractional microlitres
Positive lock prevents accidental volume changes
Accuracy and precision ≤ 1% at nominal volume
Extensive volume range from 2µl to 1ml
Suitable for pipetting solvents
Calibrated glass capillaries with stainless steel or Teflon® plungers Polypropylene capillary on model 590)
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