Page 10 - Instruction Manual 2

6. liquid should never enter the tip holder; to
prevent this:
○ press and release the push button slowly
and smoothly,
○ ○ never turn the pipette upside down,
PIPETTING 7. If you use the same tip with a higher volume,
never lay the pipette on its side when
there is liquid in the tip.
pre-rinse the tip.
For volatile solvents you should saturate the
8.
air cushion in your pipette by aspirating and
dispensing the solvent repeatedly before
aspirating the sample.
9. When the temperature of the liquid is
different from the ambient temperature,
pre-rinse the tip several times before use.
10. You may remove the tip ejector (refer to
Changing the Tip Ejector on page 15) to
aspirate from very narrow tubes.
11. After pipetting acids or other corrosive
liquids that emit vapors, remove the tip
holder, rinse the piston, O-ring, and seal with
distilled water. For the P1000 model, use a
specific tip holder equipped with a filter to
increase the lifetime of the piston (refer to
ACCESSORIES on page 11).
12. Do not pipette liquids with temperatures
above 70 °C or below 4 °C. The pipette can
be used between + 4 °C and + 40 °C but
the specifications may vary according to
the temperature (refer to the IsO 8655-2
standard for conditions of use).

10 PIPETTING | PIPETMAN® ClAssIC PIPETMAN® ClAssIC | UsER’s GUIDE