Catalog Leica LN22

Leica LN22-- Liquid Nitrogen Freezing Device
For use with rotary microtome RM2265

The LN22 Liquid Nitrogen Freezing Device has
been designed for changing quickly and easily
from sectioning at ambient temperature to low-
temperature sectioning and vice versa.

Features:
Cryochamber:
Open-top cryochamber, LN2 cooled, for condensa-
tion free and frost-free sectioning at tem-
peratures down to -150°C.
Backlightning. Knife holder base for fitting
various knife holders.
Specimen holder:
Standard microtome specimen holder fit straight
through the wall of the LN22 cryochamber - her-
metically sealed.
Special design ensures maximum sectioning sta-
bility.


Control unit:
Compact, space saving design with displays
and controls for knife, specimen and chamber
gas (indication only) temperature in °C, °F
and K. Memory with battery backup for all
settings.
Mimic diagramm. Adjustable voltage selector.


Pressureless automatic filling system:
25 liter LN2 dewar with displacement pump.

Operating temperature range: ambient to -150°C
Temperature stability: ±1 °C
LN2 consumption in stand-by mode: approx.
1 liter/day
Power consumption: 250 W
Supply voltages: 100 - 240 V / 47 - 63 Hz
Dimensions (W x D x H) / Weight:8.2 kg / 18.06 lbs
Control unit: 250 x 340 x 120 mm
Control unit: 9.84 x 13.39 x 4.72 inches
Cryochamber:
outside: 253 x 172 x 171.5 mm / 7.9 kg
outside: 9.96 x 6.77 x 6.75 inches / 17.40 lbs
inside: 120 x 100 x 130 mm
inside: 4.72 x 3.94 x 5.12 inches


Standard delivery includes:

• Basic instrument (cryochamber)
• Dewar,
• LN2 pump,
• Control unit 1 Knife holder for tungsten carbide knives (14 0378 25655) 1 Tungsten carbide knife 40° (14 0216 08724) 1 Round specimen holder 12 mm (14 0378 25653) 1 Tool for specimen holder manipulation (14 0378 26193) 1 Tool for knife manipulation (14 0378 26195) 1 Tool set, replacement fuses 1 Set of power cords:
• 1 Power cord D (14 0411 36958)
• 1 Power cord USA-C-J (14 0411 36960)
• 1 Power cord ST/BU F-5A UK (14 0411 36959) 1 EC Declaration of Conformity (14 0373 80011) 1 Instruction for use - G/E/F/S (14 0373 80001)

Note:
Temperature indication in - °C, °F, K -
has to be adjusted at the factory (pre-set =
0 C°).

Please specify accordingly and also indicate
your power supply requirements when ordering.

We recommend to order at least one additional
tungsten carbide knife with the system.