PIPETTOR OVERVIEW
5
Battery Case. The battery case contains two rechargeable nickel
cadmium batteries. Batteries are charged for 12 – 14 hours. When
fully charged, the pipettor can perform up to 1200 cycles at full
stroke. Battery life is extended with automatic shutoff after 10
minutes of inactivity. See Section E.3, Installing/
Replacing Batteries.
Pipetting Trigger. The pipetting trigger initiates the pipetting
program. It is pressed when the "Run" or "Purge" command
appears in the display. A single pipetting step is performed by a
quick press and release of the trigger. Repeat pipetting (paced
dispense) is performed by pressing and holding the trigger.
Note: At the end of a paced dispense, the pipet tips should be
removed from the fluid before releasing the trigger, to prevent
aspiration of fluid.
Ejector Trigger. The ejector trigger is pressed to eject the pipet
tips from the pipettor.
Tip Fittings. The tip fittings form an airtight seal with the pipet
tips to ensure accuracy while pipetting.
Note: To extend instrument life, Matrix Technologies has
equipped all IMPACT and IMPACT
2
pipettors with chemically-
resistant (PEEK) tip fittings. This material allows for pipetting of
acidic solutions without damage to the tip fittings.
Color-coded Ring. The flanged ring around the pipettor handle is
color-coded to identify the pipetting volume of the handle. See
Section B.4, Specifications.
Transformer Connector. The transformer connector receives the
plug from the power transformer for recharging the batteries. The
pipettor can be used while it is recharging.
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