IEC 60839-2-4 : 1.0被替代
ALARM SYSTEMS - REQUIREMENTS FOR INTRUDER ALARM SYSTEMS - ULTRASONIC DOPPLER DETECTORS FOR USE IN BUILDINGS
出版：International Electrotechnical Committee
专家解读视频
Gives 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 minimise false alarms.
SANS 60839-2-4 : 1ED 2010 - Identical
PN 93/E-08390.24 : 1993 - Identical
SANS 60839-2-4 : 1ED 2010 - Identical
DS IEC 839-2-4 : 1992 - Identical
PN 93/E-08390.24 : 1993 - Identical
DS IEC 839-2-4 : 1992 - Identical
