Aspiration And Dispensing Instructions - Labnet BioPette A Series Instruction Manual

8. Aspiration and Dispensing Instructions

1.
Aspirating Liquid
1. Press the pushbutton to the first stop point.
Holding the pipettor vertically, immerse the pipet tip
into the sample liquid to the recommended depth (for
recommended values see Section 7). If the pipet tip
is not immersed to the recommended depth or if the
pushbutton is rapidly released, air may enter the pipet
tip.
2. Release the pushbutton slowly and smoothly to aspirate
the sample. Wait one second and then withdraw the
pipet tip from the liquid.
CAUTION: Do not touch the used tip.
Dispensing Liquid
3. Place the end of the pipet tip against the inside wall of
the vessel at an angle of 10° to 40°. Press the pushbutton
smoothly to the first stop. Wait one second.
4. Press the pushbutton to the second stop to expel
any remaining liquid. While keeping the pushbutton
depressed, remove the pipettor from the vessel by
drawing the pipet tip against the inside surface of
the vessel.
5. Release the pushbutton to its starting position.
6. Eject the pipet tip by pressing the tip ejector pushbutton.
Remember to change the pipet tip whenever a different
type of liquid is to be sampled.
2. 3. 4. 5.
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6.