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Spesification of Vehicle Loop Detector
Loop detector for parking system
1. Application
Loop detectors are used wherever vehicles have to be detected. Like monitoring and safe guarding access ways to counting vehicles. The output signal can be used for controlling door and gate drive mechanisms, operating barriers, controlling traffic light systems in car parks or activating card dispensers in car parks.
2. Functional description
LP-102 is a single channel inductive loop detectors. The principle is based on a change in the inductance within the loop which is caused by the metallic components of passing vehicles. The changes are picked up and evaluated by a microprocessor. Ease of use thanks to automatic calibration when the operating voltage is applied.
3. Vehicle Loop Detector Technical Data
Supply voltage : 220V AC ±10%, 24V AC/DC ±10%
( See the label on the detector)
Voltage tolerance : AC +10% / -15%
Voltage tolerance : DC ±15%
Power Consumption : 4.5VA
Output relays : 240V/5A
Operating temperature : -40°C to +85°C
Storage temperature : -60°C to +125°C
Frequency range : 20 kHz to 170 kHz
Reaction time : 100ms
Signal holding time : Unlimited
Sensitivity : Adjustable in 3 increments
Loop inductance : Total loop plus connection wiring : 50μH to 1000μH.
Ideal is 100μH to 300μH
Loop connection wiring : Maximum length 20 meters, twisted at least 20 times per meter
Size of Housing : 34.5x72x84.5 mm (L x W x H)
