Print this pageXtralis ASIM Triple Technology Model TT290
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Product Information |
Non-Intrusive Combination Detector for Lane Selective Traffic Data
ASIM tri-tech detectors use a combination of Doppler Radar, Ultrasound and Passive Infrared in a single unit. Individual vehicle speed, class, time gap and occupancy time are available via RS 485 – in all traffic situations and all weathers, day and night.
How do ASIM Tri-Tech Detectors Work?
ASIM combination detectors measure the speed of each vehicle by means of the Doppler shift of the refl ected microwave frequency. The ultrasonic part scans the vehicle’s height profi le as it passes under the detector, while the multi channel curtains of the PIR give information on the vehicle’s position within the lane.
ASIM combination detectors are easily mounted on gantries or other overhead structures above the lane to be observed. Superior performance and reliability are standard thanks to:
- Three independent detection technologies in a single unit
- Redundant digital signal processing (DSP) with adaptive parameters
- Full temperature compensation
Applications
ASIM combination detectors are ideal for a variety of traffic data acquisition and traffic control applications where inductive loops have been used in the past:
- Vehicle classifi cation
- Counting of all kinds of vehicles
- Individual vehicle speed
- True presence and queue detection
- Occupancy and headway / time gap measurement
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