WattStopper® WT ultrasonic ceiling sensors utilize 32 kHz frequency ultrasonic technology to detect occupancy. The sensors are available in several models to control lighting in a wide variety of applications.

WattStopper® Ceiling Mount Occupancy Sensor, Series: WT Series, 24 VDC, 40 mA, Ultrasonic Sensor, 2200 sq-ft Coverage, 360 deg Viewing, 15 s to 30 min Time Delay, LED Lamp, 25 kHz Response, Flying Lead Connection, Automatic On/Automatic Off Control Output, 35 deg C, Plastic, White, 4.8 in Dia x 1.5 in D Dimensions

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• Ultrasonic technology with 32 kHz frequency
• Automatic or manual on operation when used with a BZ-150 power pack
• Advanced signal processing circuitry automatically adjusts detection threshold
• User adjustable dip switch time delay and sensitivity settings
• Isolated relay allows sensor to interface with building control systems
• ASP circuitry helps to eliminate false on
• Advanced, omni directional, ultrasonic technology for reliable occupancy detection
• Angled transmitter and receiver pairs help optimize sensitivity while eliminating unwanted detection from ceiling air movement
• Coverage ranges from 600 to 2200 sq-ft and 90 linear feet for hallways
• Isolated relay can interface with HVAC, EMS or an additional lighting load
• Dip switch adjustable time delay and sensitivity
• LED indicates occupancy detection
• Solid state and crystal controlled
• Isolated relay with NO and NC outputs, rated for 1 A at 30 VDC/VAC
• This ultrasonic ceiling sensor utilizes 32 kHz frequency ultrasonic technology to detect occupancy
• 95% RH, non-condensing, for indoor use only environmental conditions