Leica Microsystems RM2265



The Leica RM2265 is Leica Microsystems’ top-of-the-line fully motorized and programmable rotary microtome designed primarily to satisfy the requirements of biomedical research sectioning hard to semi-soft materials and customers needing to section industrial materials for quality assurance and materials defects analysis.    
The RM2265 is also the instrument of choice for sectioning at ultra-low temperatures ( -150 °C) in combination with the Leica LN22 liquid nitrogen freezing attachment.
Max. Specimen Size 50L x 60H x 40W mm
Microtome Type Rotary
Sectioning Speed .5 to 420 mm/s
Thickness Setting .25 to 100 µm
Depth 22.16 in (without magnifier or microscope carrier)
Height 12 in (without magnifier or microscope carrier)
Width 16.25 in (without magnifier or microscope carrier)
Power Requirements 100 V / 120 V / 230 V / 240 V, 50/60 Hz
Peak Power 340 VA (max)
Weight 81 lbs (without accessories)
Additional Specifications Section thickness    
Setting values:     
0.25 µm    
from 0.5 – 5.0 µm in 0.5 µm increments    
from 5 – 20 µm in 1 µm increments    
from 20 – 60 µm in 5 µm increments    
from 60 – 100 µm in 10 µm increments    
Trimming section thickness setting range: 1 – 600 µm    
Setting values:     
from 1 – 10 µm in 1 µm increments    
from 10 – 20 µm in 2 µm increments    
from 20 – 50 µm in 5 µm increments    
from 50 – 100 µm in 10 µm increments    
from 100 – 600 µm in 50 µm increments    
Specimen retraction    
Manual Operation: programmable from 5 – 100 µm in 5 µm    
increments; can be turned off    
Motorized Operation: varying with the sectioning speed;    
can be turned off    
Electronic coarse feed: 300 µm/s or 900 µm/s    
Horizontal specimen feed: approx. 30 mm    
Vertical specimen stroke: 70 mm    
Sectioning modes:     
6 total    
2 manual modes    
(regular and rocking mode)    
4 motorized modes    
(continuous, single or step stroke, and program mode)    
Specimen orientation: horizontal: 8°, vertical: 8°


Consistent sectioning speed    
Consistent sectioning speed and force of the fully-automated cutting motor supports consistent, high-quality sectioning and helps to reduce musculoskeletal disorders caused by repetitive motion.    
Precision orientation system    
The 8° X/Y precision orientation system with calibrated controls helps to quickly orient already cut specimens (re-cuts). The system then rapidly returns the exact zero position, which is marked by two red indicators.    
High flexibility    
High flexibility allows semi-thin sectioning using glass (triangular or Ralph) or diamond knives to support a wide range of application needs.    
70mm vertical stroke    
The large 70mm vertical stroke allows sectioning of super mega cassettes and also supports safer specimen changing due to the greater distance to the knife edge.




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