报警系统 第2部分:入侵者报警系统的要求 第4节:建筑物内使用的超声波多普勒探测器

[中文适用范围]： 旨在与 IEC 839-1-1 和 839-2-2 结合使用。包含具体要求和测试方法。 [外文原描述]： Gives the specific requirements and test procedures for ultrasonic Doppler detectors for use in intruder alarm systems installed in buildings. Specifies those requirements for ultrasonic Doppler detectors which will ensure that they will perform satisfactorily and minimize false alarms. Should be used in conjunction with IEC 60839-1-1 and IEC 60839-2-2.