Microstat He Manual
3.6 Protective earth
The cryostat, electronics, pumps, and any other parts of the system fitted with earthing points must be connected
to protective earth at all times when the system is in operation.
3.7 Low temperature
Contact with cold objects and cryogens can cause serious injury to the skin. Skin may adhere to cold objects.
Ensure that any cryogenic or coolant delivery systems are designed to prevent contact with the cold components.
Consider the hazards of low temperatures when planning the installation of the system. Proper safety equipment must be made available
to all personnel expected to handle cryogenic liquids, including hand and eye protection.
3.8 Pressure relief
Closed vessels in the system are protected by pressure relief valves that exhaust directly to atmosphere unless
otherwise stated.
Do not tamper with any of the pressure relief devices fitted to the system or attempt to modify or remove them. Also ensure that the outlets
of the relief devices are not obstructed. The correct operation of these relief valves is critical to the safety of the system.
3.9 Weight and lifting
Incorrectly lifting heavy objects can cause severe injury. Use the appropriate lifting equipment, operated by fully
© 2017 Oxford Instruments Nanoscience MAN-MHE-1.1.0 (28ff3d8) Sep 2017 9
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