Medical gas alarm system should meet the following requirements: 1, in addition to medical gas source is provided on the device in situ oxygen alarm outside professional production equipment, monitoring each sampling point should have a separate alarm display, and should continue until the fault is removed ; 2, audible alarms should unconditionally start factory direct high-quality oxygen machine, the sound pressure level at 1m of not less than 55dBA, and 3 should be temporarily mute function, visual alarm shall be at a distance of 4m, viewing angle of less than 30 ° and 100lx illuminance clearly distinguished; 4, the alarm should have warning indicator fault test function and power recovery self-starting function. Alarm sensor circuit breaker should be able to alarm 5, each alarm should have identified, and shall comply with the provisions of Section 5.3.12 of the specification; 6, and regional gas supply alarm alarm power supply should be set up emergency standby power air source alarm shall have the following functions: 1, the medical liquid in the tank should start a low gas supply alarm hospital oxygen system, Hebei Ericsson (certified), oxygen supplied by Ericsson Hebei Medical Engineering Limited. Ericsson Hebei Medical Engineering Co., Ltd. (www.hslixin.com) Hebei Hengshui, a leader in medical device manufacturing equipment, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Hebei Ericsson leadership with the staff warmly welcome all inquiries negotiations to create a better future Hebei Ericsson.