Operation - PCE Instruments PIP 2 Manual Del Usuario

until the setting reaches the desired value.
Be sure not to undergo this mark.

3 OPERATION

Place a tip on the shaft of the pipette. See
Section 6 for the appropriate tip. Press the
tip on firmly using a slight twisting motion to
ensure a positive, airtight seal.
Important: Never aspirate liquids into the
pipette without a tip attached.
Aspiration
Press the pushbutton to the first positive
stop. Fig. 2A. Holding the pipette vertically,
immerse the tip into the sample liquid. The
depth to which the tip is immersed depends
on the model.
PIP 2, PIP 1010
PIP 20, PIP 100
PIP 200, PIP 1000
PIP 5000
Release the pushbutton slowly and smoothly
to aspirate the sample. Fig. 2B. Wait one
second and then withdraw the tip from the
liquid. Wipe any droplets away from the
outside of the tip using a medical wipe.
Avoid touching the orifice of the tip.
Dispensing
Place the end of the tip against the inside
wall of the vessel at an angle of 10 to 40
degrees. Press the pushbutton smoothly to
the first stop, Fig. 2C. Wait one second.
Press the pushbutton to the second stop to
expel any remaining liquid. Fig. 2D. Keeping
the pushbutton pressed to the end, remove
the pipette by drawing the tip along the
inside surface of the vessel. Release the
pushbutton. Fig. 2E.
19

1 mm
2-3 mm
2-4 mm
3-6 mm