2.1.4 Safety Information
The following hazards may be typical for this product:
Risk of serious injury due to hazards associated with cryocooling
All personnel working with the system must be aware of the potential hazards associated with
cryocooling.
• Personnel working with the system should be trained in emergency measures that may be
required in the event of an accident.
Risk of suffocation due to potential asphyxiates.
Nitrogen (N
2
) and Helium (He) are potential asphyxiates if released into an enclosed area with poor
ventilation. A decrease in air oxygen content can be caused by leaks.
• Ensure that proper tubing is used and good connections are made at each connection point to
prevent release of these gases.
Risk of explosion due to high pressure if system is not allowed to vent properly.
• Never bolt or otherwise fasten the lid of the sample chamber closed. The lid acts as a safety
pressure release in the event of high-pressure accumulation in the cryostat.
Risk of cold contact burns.
Parts of this system are very cold and may cause severe burns to the skin.
• Allow components to warm up to room temperature before touching. If contact occurs, consult a
physician immediately.
Take care when moving the cryostat
• Do NOT tilt the cryostat more than 45 degrees. Inverting the cryostat will cause damage.
• The cryostat and sample chamber are a single unit. The attached sample chamber must be
supported at all times. Do NOT lift the cryostat by the sample chamber.
• Do NOT lift the cryostat by the cryocooler tube or the top of the main body enclosure.
• The cryostat ships with red locking plugs and a shipping support to prevent damage to sensitive
components. Do NOT remove these until after the unit has been attached to the table.
Take care when moving the compressor
• Do NOT tilt the compressor. Doing so may damage the unit.
• The compressor is on casters for moving. Ensure casters are locked prior to operating.
Risk of product damage due to improper use
• Never disconnect the vacuum hose while the temperature of any stage of the cryostat is below
285 K. Never open the case or vent valves when the temperature of any stage is below 285 K.
• Only use dry nitrogen gas with the cryostat. Do NOT substitute other gases for system venting.
• Avoid using any material in the sample chamber that may outgas or otherwise contaminate the
optical windows and cryostat surfaces.
• When manually operating heaters, monitor the Stage 1 and Stage 2 temperatures to ensure these
temperatures do NOT rise above 350 K. Temperatures above 350 K may damage critical
components within the system.
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