4, the alarm should have the alarm indicator test function and power failure recovery since the start. Alarm sensor circuit breaker should be able to alarm 5, each alarm should have identified hospital oxygen equipment, 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 emergency standby power air alarm should have the following features: 1, medical liquid tank low gas supply alarm should have the following in place should start the alarm function: 1, when medical air supply, medical vacuum exchange, anesthesia emissions vacuum Unit main supply compressors, vacuum pumps oxygen equipment during downtime hospital preferred oxygen, should start the alarm; when the spare compressors, vacuum pumps in operation, you should start the backup operation alarm 2, medical air supply should be set carbon monoxide concentration alarm, when exceeded triggers an alarm when the carbon monoxide concentration Ericsson oxygen equipment manufacturers | oxygen | Hebei Ericsson provided by the Hebei Medical Engineering Co., Ericsson. Ericsson Hebei Medical Engineering Co., Ltd. (www.hslixin.com) strong, credible, Hengshui in Hebei medical device manufacturing equipment industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Hebei Ericsson and you hand into the brilliant, for a better future!