PyroTec™ PRO Hardw are User’s Manual, V1.2 38
RT-MN024-1.2 02/21
5.3 Function
5.3.1 Air Displacement Pipetting Arm (Air LiHa)
LiHa
The Air LiHa is a pipetting arm for general pipetting tasks. Aspiration and dispense of liq-
uids are based on air displacement.
Movements
Servo motors move the tips in X, Y or Z-direction.
The pipetting tips can be moved independently in Z-direction. In Y-direction, equidistant
tip spreading is possible. This enables the arm to pipette e.g. from vessels with a small cav-
ity spacing (such as a microplate) to vessels with a larger cavity spacing (such as a tube
rack) with all tips simultaneously.
The Air LiHa is intended for disposable tips only. Different DiTi sizes are available. The max-
imum volume of the air chamber (1250 µl) matches the largest DiTi type (1000 µl).
A Air chamber in Z-rod
B Disposable tip
C Lower DiTi eject device
D Plunger drive
X Axis from left to right of worktable
Y Axis from front to back of worktable
Z Vertical axis above worktable
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