Correct Pipetting - BRAND Transferpette electronic Operating Manual

Correct Pipetting

The volume is set at the factory to the nominal volume for the Transferpette
can be changed quickly and easily. See page 42.
Quick start in the standard pipetting mode
1.
Attach the tip
2.
Aspirate liquid
3.
Discharge liquid
4.
Eject tip
44
Use the correct tip according to the volume range or the color code. Ensure
that the tip is securely seated. When using the flexible pipette shaft, attach
an alternative ejector adjustment clip if necessary.
Pipette tips are disposables items!
Hold the pipette vertically and immerse the tip
2 to 3 mm into the liquid.
Press the pipetting key to
aspirate the liquid into the
tip. The arrow in the display
points upwards to indicate
the aspiration of liquid.
Note: To avoid the intake of air, leave the tip immersed
into the liquid for approx. 1 sec.
After the liquid has been aspirated, the arrow in the
display points downwards to indicate discharging.
Hold the pipette at an angle between 30º and 45º,
place the tip against the vessel wall.
Press the pipetting key again
and the liquid is completely
discharged including auto-
matic blowout. Wipe pipette
tip against the vessel wall.
Hold the pipette shaft over
a suitable disposal container
and the press the tip ejec-
tion key.
Note:
ISO 8655 prescribes rinsing the pipette tip once with the sample liquid prior
to the actual pipetting process.
with the Transferpette
electronic and
®
1x
1x
Tip ejection
key
electronic
®