System Sensor 四線式 風管型煙霧偵測器 System Sensor Duct Smoke Detector D4120 維一
System Sensor D4120 Data Sheet. 0% to 95% relative humidity. Web this unit senses smoke in the most challenging conditions, operating in airflow speeds of 100 to 4,000 feet per minute,.
0% to 95% relative humidity. Web this unit senses smoke in the most challenging conditions, operating in airflow speeds of 100 to 4,000 feet per minute,.
0% to 95% relative humidity. Web this unit senses smoke in the most challenging conditions, operating in airflow speeds of 100 to 4,000 feet per minute,. 0% to 95% relative humidity.
