---------Ambient temperature: 10 ～ 40 ℃ ;
---------Relative humidity: no higher than 80 %;
--------Atmospheric pressure: 860 hPa ～ 1060 hPa.
--------Power requirement: ～220－240V, 50/60Hz, 40VA, to be well grounded.
--------Air source requirement: medical oxygen and laughing gas with a rated pressure ranging from 0.3 to 0.5MPa.
Attention: the AC power supply used for the anesthesia machine must be well grounded.
Attention: the anesthesia machine used must be equipped with a carbon dioxide monitor complying with ISO 9918：
1993, an oxygen monitor complying with ISO 7767：1997 and an expiratory gas volume monitor complying with
51.101.4.2 of Medical Electrical Equipment Part II: Special Requirements for Safety and Basic Performance of
Anesthesia System.