5
dispensing
• Place the end of the tip against the inside wall of
the vessel at an angle of 10 to 40 degrees. Press
the push-button smoothly to the first stop (Fig.
2C). Wait one second. Press the push-button to
the second stop to expel any residual liquid from
the tip (Fig. 2d).
• Keep the push-button pressed fully down and
(while removing the pipette) draw the tip along
the inside surface of the vessel.
• Release the push-button smoothly.
• Eject the tip by pressing the tip-ejector button.
4 - uSEr adjuStmEntS
PiPetman Fixed is factory calibrated using distilled
water and very high precision balances. the nominal
value of the PiPetman Fixed may be slightly adjusted
to compensate for liquids of different density or
viscosity.
Adjustment of the factory calibration must
only be performed using a special calibra-
tion key (Figures 3 and 5G).
this adjustment to accomodate for density or viscos-
ity is limited to one full turn of the calibration key in
either direction, which equals:
± 1.0 µL
(models F2 to F20)
± 4.0 µL
(models F25 to F100)
± 10.0 µL (models F120 to F200)
± 40.0 µL (models F250 to F1000)
± 200.0 µL (model F5000).
The display is graduated in tenths of the key revolu-
tion (letters A, B,... J) and is read from left to right. each
small graduation mark represents 0.2 of the distance
between each letter.
