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W Ultrasonic Occupancy Sensors
- Proven 30% to 60% savings; Turns lighting on only when needed
- 500, 1000, 2000 sq ft, and hallway coverages available
- Adjustable sensitivity & time delay
- Fully-integrated product line
- UL and CUL Listed; Five year warranty
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System Information
The Watt Stopper ultrasonic sensors are versatile motion detectors which control lighting in a wide variety of applications. These sensors can be used individually or as part of an integrated system of Watt Stopper lighting control products.
Operation
The 24 VDC ultrasonic sensors utilize advanced, omni-directional, Doppler technology to sense occupancy. When an ultrasonic sensor detects movement in a controlled area, it switches lighting on through a Watt Stopper power or slave pack. The sensor controls the power pack through low-voltage wiring. Once the area is vacated and the user-adjustable time delay (15 seconds to 15 minutes) has elapsed, lighting systems automatically switch off.
Features
All Watt Stopper ultrasonic sensors feature adjustable time delay, adjustable sensitivity and a logic key/ON bypass. They also feature omni-directional volumetric coverage with models that range from 500 to 2000 square feet of total coverage. The sensors contain an LED detection indicator which makes sensitivity adjustments simple. In addition, the ultrasonic sensors are available with a single-pole, double-throw isolated relay that can be used to interface with HVAC, EMS systems, monitoring systems, or with an additional lighting load. It has normally open and normally closed outputs and is rated for 1 Amp at 24 VDC.
Applications & Economics
The Watt Stopper ultrasonic sensors are designed to work together to effectively control offices, restrooms, utility areas, open office spaces and warehouses. The W-500A is perfect for offices, conference rooms, restrooms and other areas up to 500 sq ft. The W-1000A fits in larger spaces such as storage areas. The W-2000A is ideal for open office areas or large warehouses and can control partitioned open office spaces when configured in highly versatile zone patterns. In addition, the W-2000H reliably covers hallways with walls. All Watt Stopper ultrasonic sensors are designed to detect motion of people writing, reaching for phones, typing, etc. In addition, they can be used with Watt Stopper Automatic Control Switches for manual-ON/auto-OFF function when automatic-ON is not desired. Ultrasonic sensors reduce utility costs by turning lighting off when it is not needed. Their easy installation and low initial cost provide fast paybacks.
Specifications
Solid state, crystal-controlled (25 kHz ± 0.005%)
Omni-directional transmission (360° coverage)
Temperature and humidity-resistant 25 kHz receivers, W-500A contains 1 receiver,
other models contain 2 receivers.
Advanced Signal Processing Circuitry
Logic Key/ON bypass
4.5" x 4.5" x 1.25" (115mm x 115mm x 32mm) (W x L x D)
Time delay adjustable from 15 seconds to 15 minutes
Available in white
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