Zeiss Cryo Trap, Инструкция по эксплуатации

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7 Operation | ​ ZEISS
7 Operation
WARNING
Burning hazard
Danger of burns or frostbites when liquid nitrogen gets in contact with the skin.
4
Wear proper protection equipment when handling the liquid nitrogen and Cryo Trap.
4
Do not touch the cooling rod and the cooling plate inside the chamber as long as the de-
war is not empty.
4
The dewar has to be in upright position. Never unscrew the dewar as long as liquid nitro-
gen is in it.
4
Use suitable tools when filling up the dewar.
4
The dewar must be empty and must have room temperature before exchanging the cool-
ing plate of the Cryo Trap.
WARNING
Explosion hazard
Explosion risk if the pressure inside the dewar rises due to evaporating liquid nitrogen.
4
Only use the cover which is provided by ZEISS for the dewar filling hole.
4
Regularly check that ice does not build up at or around the cover for the dewar filling hole.
WARNING
Suffocation hazard due to lack of oxygen
Danger of nitrogen accumulation in low-lying areas or subterranean rooms.
4
Ensure the room is ventilated properly.
4
Ensure the room is equipped with a ventilation system with bottom suction and air ex-
changer.
WARNING
Fire hazard
Fire risk due to concentration of oxygen in liquid nitrogen.
4
Cover the dewar so that the evaporating nitrogen can escape, but the penetration of air is
inhibited and no flammable material can fall into the dewar.
4
Store and transport liquid nitrogen only in suitable dewars.
4
Do not smoke or have open fire in the same room the dewar is located.
NOTICE
The detectors can be damaged
The cooling plate may collide with the detectors during mounting because there is very little
space between cooling plate and detectors.
4
The EDS detector should be retracted during installation.
4
Take care of the nearby detectors during the whole mounting procedure.
Info
14 Instruction Manual ZEISS Cryo Trap | en-US | Rev. 2 | 346000-8166-000