Fire detection and fire alarm systems, Part 27: Point-type fire detectors using a scattered-light, transmitted-light or ionisation smoke sensor, an electrochemical-cell carbon-monoxide sensor and a heat sensor
火灾探测和火灾报警系统第27部分:使用散射光、透射光或电离烟雾传感器、电化学电池一氧化碳传感器和热传感器的点式火灾探测器
Adopts ISO 7240-27:2009 to specify requirements, test methods and performance criteria for a point-type fire detectors using a scattered-light, transmitted-light or ionization smoke sensor, an electrochemical-cell carbon-monoxide sensor and a heat sensor, for use in fire detection and alarm systems.