12
PIPETMAN
®
u
ltra
5) The tips should be pre-rinsed with the liquid to
be pipetted.
6) Liquid should never enter the tip-holders; to
prevent this:
- press and release the push-button slowly and
smoothly,
- never turn the pipette upside down,
- never lay the pipette on its side when there is
liquid in the tip.
The use of a Gilson “Carrousel™”, “Trio™” or “Single™”
holder is recommended to store pipettes in the
upright position.
7) When pipetting liquids with temperatures dif-
ferent to the ambient temperature, pre-rinse the
tips several times before use.
8) For volatile solvents you should saturate the
air-cushion of your pipette by aspirating and
dispensing the solvent repeatedly before aspirat-
ing the sample.
9) Avoid pipetting acids or other corrosive liquids
that emit vapors. Extensive contact with corrosive
fumes may corrode the pistons or damage the
seal and tip-holders.
10) The pipette can be used b4 °C and
+40 °C, but the specifi cations may vary (see
Chapter 16 for controlled conditions of use).
11) Do not pipette liquids having temperatures
above 70 °C or below 4 °C.
Extreme temperatures can aff ect accuracy and
precision.
9 PERSONALIZING YOUR PIPETTE
Comfort of Tip-ejector
Before you start to pipette you can adjust the tip-
ejector button according to your preferences.
1) Position the tip-ejector button. Simply rotate
Summary of Contents for Pipetman Ultra 12x20
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Page 42: ...42 PIPETMAN ultra NOTES...
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