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Double Channesl Vehicle Loop Detectors for Parking Lots
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.
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Supply voltage |
230V AC, 115V AC, 24V DC/AC, 12V DC/AC (See the label on the detector) |
|
Loop Quantity |
2 |
|
Sensitivity |
adjustable in 4 increments (high .medium high. medium, low) |
|
Operating temperature |
-20°C ~ 70°C |
|
Storage temperature |
-40°C ~ 85°C |
|
Frequency range |
20KHz ~ 170KHz |
|
Reaction time |
100ms |
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Loop inductance |
Ideal:80μH ~ 300μH (incl. conn. wiring): max: 50μH ~ 500μH |
|
Loop connection |
<5m optimal |
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Loop connection wiring |
Maximum length 200 meters |
|
Twisted at least 20 times per meter |
|
|
Dimensions |
78x40x108mm |
|
Net Weight |
350g |
Application Scope:
Parking lot entrance vehicle detection;
Pakring lot space information acquisition system
Electronic police traffic lights snap shot system
Traffic monitoring system
Main Features:
Double coil model can realize vehicle driving direction detection
High temperature stability
Cail automatic fault detection function
Can be used with barrier gates realize anti hit a car function
Can be used with the barrier gates realize car go automatic swithc-off functio
GM-705B.pdf