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Micropipette, 50-200ul Variable , Acura 821

With separate buttons for delivery and tip ejection, these pipetters offer several advantages over similar pipetters that use a single button. You never need to worry about accidentally ejecting a tip into your test solution. And, you get better accuracy, because tip ejection volume displacement doesn't contribute to the dead volume in the chamber: decreased dead volume equals increased accuracy.

Calibrated plunger stroke and overshoot movement, which flushes out the tip, also help to maximize the accuracy of these pipetters. (Separate positive stops exist for the dispense and overshoot functions, so you won't inadvertently dispense more liquid than intended.) And with the air chamber located forward of the handle within the pipetter shaft, reproducibility won't be compromised by the unwanted effects of hand warming.

The slender body of the micropipetter fits easily into narrow test tubes. Specially constructed nozzle has air inlet and outlet passages that keep fluid from penetrating the pipetter, preventing cross-contamination and protecting against bubbles. Color-coded dispense button on both types of pipetters matches the proper tip to be used (tips not included).

Variable-volume model allow you to select from a range of volumes. Simply rotate the Swiss precision micrometer, and read the volume on the circular vernier scale. All other features discussed apply to both types of pipetters.

Wheaton# 851264.

*Quantity Available = 6

Specifications

Dispensing Range	50 to 200µL

Grads.	1µL

Accuracy	±1.0%

Repr.†	±0.5 to 0.6%

Tips Used	Yellow

Specifications