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9. CALIBRATION
Each Biohit Proline Electronic pipette’s calibration has been factory
checked and certi
fi
ed at 22°C using distilled water according to ISO 8655-
6. Pipette speci
fi
cations are guaranteed only with genuine Biohit tips.
Note:
Biohit offers full calibration and accredited calibration service. Please
contact your local Biohit representative.
The length of the piston stroke is electronically monitored and the pipette
does not normally need recalibration. However, all models (excl. 710500) can
be recalibrated in P-mode for one selected volume (one-point calibration)
at a time as follows:
1. Press
to display
.
2. Con
fi
rm the mode change by pressing
.
3. Select the desired pipetting volume to be calibrated by using
to
increase and
to decrease.
4. Press
to con
fi
rm the selection.
5. Press
and
simultaneously to display the volume to be
calibrated.
Note:
When pressing both buttons the display will be blank except for the
μ
l sign. Releasing the buttons will display the volume to be calibrated.
6. Use
to increase or
to decrease the steps (in one increment
steps, see increments on p. 2) for the selected volume (e.g. for 1000
μ
l
volume in display program the pipette to give out 1010
μ
l or 990
μ
l).
7. Press
to con
fi
rm the selection.
8. Display will show
and the original volume (which is now calibrated
to give out the new volume).
9. Start the pipetting.
Note:
Changing the volume or mode will reset the calibration to default
settings!