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Leica RM2245
3. Instrument components and specifications
Fig. 7
Vents
Voltage selector
switch with fuses
Main switch
Power
connection
Connecting
cable for
control panel
Rear side of instrument
Magnet for holding
the wrench size 4
3.2 Instrument specifications
The Leica RM2245 is a semi-motorized rotary
microtome with a light-action handwheel.
The RM2245 supports two manual sectioning
modes:
rocking mode and conventional sectioning with
full turns of the handwheel.
All important controls are grouped in a user-
friendly manner on a separate control panel
with adjustable inclination.
Important information on the operating status of
the instrument such as retraction, locking,
trimming thickness, section thickness, and
counters for the total number of sections and
total thickness sectioned is displayed directly
on the instrument.
The instrument features two independent hand-
wheel locking systems for enhanced user safety.
It also features an adjustable retraction system.
The retraction value can be selected as
required.
The motorized object head can be moved at two
speeds (300μm/s and 900μm/s). The coarse
drive speed and direction can be controlled via
buttons at any time.
The minimum and maximum object head end
positions are signaled visually and acoustically.
The thickness for trim and sectioning
modes can be programmed and stored indepen-
dently.
A ruler integrated in the base of the microtome
facilitates restoring a previous knife holder
position.