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Detailed technical specifications of Bosch DS939, one of over 151 Intruder detectors from Bosch
Please note: this is a discontinued product.

Ceiling Mount Intrusion Detector From Detection Systems

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Manufacturer: Bosch Security Systems Bosch Security SystemsDownload DatasheetDownload Datasheet
Bosch DS939 Intruder detector
Model CodeDS939
PIR DetectorsYes
Coverage/ Range m21
Angle of Detection o360
Vertical Coverage7.6
Selectable Pulse CountYes
Wall/Ceiling MountCeiling Mount
Power Consumption39 mA
Electrical SpecificationsPower Supply: 9 ~ 15 V DC
Physical SpecificationsDimensions mm: 89 x 178
Environmental SpecificationsOperating Temp oC: -40 ~ +49
Model Info

The ceiling mount DS939 PIR Detector provides a 21 m (70 ft) panoramic coverage pattern and can be used on ceilings as high as 7.6 m (25 ft).  With three separate PIR sections that are fully adjustable, the DS939 provides coverage integrity at all mounting heights, plus the ability to customize the coverage for specific areas.  The DS939 uses several patented processing techniques to provide excellent catch performance with freedom from false alarms.

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