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70 Diameter Ceiling Mount Pir / Mfr. no.: DS939

70 Diameter Ceiling Mount Pir / Mfr. no.: DS939
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Item Number: bos-ds939
Vendor Number: DS939
Vendor: Bosch Security Video
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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.

General Information

ManufacturerThe Bosch Group
Manufacturer Part NumberDS-939
Manufacturer Website Address
Product ModelDS939
Product NameDS939 Motion Sensor
Product TypeMotion Sensor

Technical Information

Operating Range68.90 ft to
Viewing Angle360°

Power Description

Input Voltage15 V DC

Environmental Conditions

Temperature-40°F (-40°C) to 120.2°F (49°C) Operating


Additional Information
  • Signal Processing
  • Fully adjustable optics for coverage integrity and customization
  • Hinged chassis and base plate for easy installation
  • High efficiency LED and light pipe system for easy walk testing
  • First Step Processing (FSP)
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