2 -5
Ovation pipettes store energy captured
during the acquisition of a tip, and use
it to discard tip when the tip eject button
is pressed. Point pipette tip into a
suitable waste container and press the
tip eject button to discard the tip.
To minimize forearm elevation and
“reaching”, position the waste container
below worksurface level or use shallow
containers. Raising the arm to discard
tips into a tall receptacle on the
counter may negate some of the
benefits of Ovation’s low-profile design.
Ejecting Tips
• When using viscous or volatile reagents, pre-wetting the pipette tip may be
appropriate. To pre-wet, aspirate and dispense the liquid back into the original
vessel. Then fill the tip and dispense contents into receiving vessel.
• If an air bubble forms in the tip during aspiration, return the sample, discard the
tip, and use a fresh tip.
• Smoothly depress and release the plunger when pipetting, maintaining the same
speed of motion for all samples. Do not let the plunger “snap back” to the
uppermost position.
• When finished aspirating, touch the pipette tip against the side of the vessel as it
is being withdrawn to remove any liquid that may have adhered to the outside of
the tip. Wipe the pipette tip ONLY if there is liquid adhering to the outside. Be
careful not to “wick out” any of the contents from the pipette tip.
• Dispense against the side of the receiving vessel or above the liquid surface. To
remove any of the measured liquid that may have adhered to the pipette tip,
touch off the tip against the side of the receiving vessel.
• Optional Type A nozzles for 100–1000µL models are designed to accommodate
some non-VistaLab tips.
• If aspirating from 15mL or 50mL centrifuge or other tall tubes, an optional Nozzle
Extender accessory is available which lengthens the pipette’s overall reach. If the
optional nozzle extender is being used, calibration verification should be checked.
Pipetting Hints for
Optimal Performance
Ovation pipette with Nozzle Extender
Ovation QS BioNatural Pipette – Adjustable Volume-Set Operator’s Guide
