Bosch DS935Z Passive Infrared Motion Sensor (PIR)

Bosch DS935Z Passive Infrared Motion Sensor (PIR)

The Bosch DS935Z Passive Infrared Motion Sensor (PIR) is a dedicated security device designed to detect movement in burglar alarm systems. With advanced signal processing technology and flexible installation, the DS935Z is suitable for a wide range of indoor security applications.

Outstanding features:

• Motion Analyzer II processing
• Motion Monitor
• Self-test supervision systems
• Field replaceable, pointable mirrored optics
• Four coverage patterns
• Three mounting options
• Draft and insect immunity

Technical specifications

Dimensions & Material

• Dimensions: 10.8 cm x 7 cm x 4.6 cm (4.25 in x 2.75 in x 1.8 in)

• Material: High-impact ABS plastic enclosure

Environmental Considerations

• Operating Temperature: -40°C to +49°C

  • (UL: 0°C to +49°C)

• RFI Immunity:
  No alarm or setup on critical frequencies from 26 MHz to 950 MHz at 50 V/m

Mounting

• Recommended Mounting Height: 2 m to 3 m (6 ft to 10 ft)

• Location: Wall or corner

• Vertical Coverage Adjustment: -18° to +2°

Power Requirements

• DS935Z:

  • Current Draw: 20 mA at 12 VDC

  • Input Voltage: 9 VDC to 15 VDC

Outputs

• Alarm:

  • DS935Z: Form reed relay rated 3.0 W, 125 mA at 28 VDC with 4.7 Ω resistor on common leg

• Tamper:

  • DS935Z: Normally-closed tamper switch, max 25 mA

• Trouble:

  • DS935Z: Solid-state output shorts to auxiliary power negative when active