2 www.wavetronix.com
SmartSensor HD
Technical Specifications
Measured Quantities
˿ Per-lane interval data: volume, average speed, occupancy, classi-
fication counts, 85th percentile speed, average headway, average
gap, speed bin counts, direction counts
˿ Classification bins: 8
˿ Interval speed bins: 15
˿ Per-vehicle data: speed, length, class, lane assignment, range
˿ Presence data in 22 lanes
Detectable Area
˿ Number of lanes: up to 22
˿ Detection range: 6 to 250 ft. (1.8 m to 76.2 m)
˿ Any lane spacing is supported
˿ Detection over barriers is supported
Performance
˿ Per-direction volume accuracy:
Typical: 98%–99%
Minimum: 95%
˿ Per-lane volume accuracy:
Typical: 98%–99%
Minimum: 90%
˿ Minimum separation between two vehicles: 5.5 ft. (1.67 m)
˿ Per-direction average speed accuracy: ±3 mph (5 kph)
˿ Per-lane average speed accuracy: ±3 mph (5 kph)
˿ Percentage of vehicles generating per-vehicle-speed measure-
ments:
Typical: 98%
Minimum: 95%
˿ Per-vehicle speed measurement accuracy: ±5mph (8 kph) for
90% of measurements
˿ Method of speed measurement: dual radar speed trap
˿ Per-direction occupancy accuracy: ±10%
˿ Per-lane occupancy accuracy: ±20%
˿ Classification accuracy:
Typical: 90%
Minimum: 80%
Performance Maintenance
˿ No cleaning or adjustment necessary
˿ No battery replacement necessary
˿ No recalibration necessary
˿ Mean time between failures: 10 years (estimated based on
manufacturing techniques)
Physical Properties
˿ Weight: 4.2 lbs. (1.9 kg)
˿ Physical dimensions: 13.2 in. × 10.6 in. × 3.3 in. (33.5 cm x 26.9
cm x 8.4 cm)
˿ Resistant to corrosion, fungus, moisture deterioration, and
ultraviolet rays
˿ Enclosure: Lexan polycarbonate
˿ Outdoor weatherable: UL 746C
˿ Watertight by NEMA 250 standard
˿ NEMA 250 compliant for:
External icing (clause 5.6)
Hose down (clause 5.7)
4X corrosion protection (clause 5.10)
Gasket (clause 5.14)
˿ Withstands 5-ft. (1.5-m) drop
˿ Connector: MIL-C-26482
Power
˿ Power consumption: 8.1 W
˿ Supply voltage: 9–28 VDC
Ordering Information
SmartSensor HD
WX-SS-126
ACCESSORIES
WX-SS-KIT – Wavetronix install kit
WX-CLK-201/202 – Click 201/202 power supply
WX-CLK-200 – Click 200 surge protector
WX-CLK-112/114 – Click 112/114 rack cards
WX-SS-706-xxx/707 – SmartSensor 8-conduc-
tor cable
WX-SS-611 – SmartSensor mount
Wavetronix
78 East 1700 South
Provo, UT 84606
801.734.7200
sales@wavetronix.com
www.wavetronix.com
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