VD-108B single loop detector is used for detecting vehicles and which were fit for parking lots .

APPLICATION :

VD-108B loop detector is used wherever vehicles have to be detected. For example for monitoring and safeguarding accessways or for 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.

MAIN FEATURES :

1) Compact size ;

2) Easy installation and operation ;

3) Good quality and steady performance .

TECHNICAL DATA :

1) Supply Voltage : 7 ~ 12V DC / 20mA

2) Frequency Range : 29 kHz ~ 90 kHz

3) Reaction Time :  100ms

4) Output Delay:   2s (alternative)

5) Sensitivity : 0.02% ~ 0.2% ( 4 levels adjustable ) ;

6) Environmental compensation: Automatic drift compensation

7) Loop inductance: 80μH-300μH (include the connecting wiring)

                               Ideal 150μH (41 kHz)

8) Loop connection wiring: Max.200 meters , twisted at least 20 times per meter , total

     resistance < 10 Ohm ;

9) Storage Temperature : -40ºC ~ +85ºC

10) Operating temperature : -20ºC ~ +55ºC

11) Relative Humidity : ≤ 95%

12) Package : standard relay package

13) Dimension : 27mm (L)X21mm (W)X37mm (H)

14) Net weight : 20g