Alarm systems. Part 2: Requirements for intruder alarm systems. Section Four: Ultrasonic Doppler detectors for use in buildings.
2003
Document Number: NL IEC 60839 2 4 : 2003
Sector: Electrical Engineering
TC: NL TC IRI
ICS:
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