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.
IEC 60839-2-4 Ed. 1.0 b:1990
Original price was: $59.00.$29.00Current price is: $29.00.
Alarm systems. Part 2: Requirements for intruder alarm systems. Section Four: Ultrasonic Doppler detectors for use in buildings
International Electrotechnical Commission , 08/31/1990
Pages: 16
