TLD-500 /600 intelligence vehicle detector, is used for the examination vehicle, bicycle etc. metals the thing, and be applicable to the parking lot, opening gates and barriers, traffic light and traffic system, control highway vehicle the toll station and signal beacon control the system etc., TLD -500 is single channel, TLD -600 is double channel.TLD-600 is used to check the car exists and the car way ( count). When it is used to check the car exists, the each loop has each relay to offer one output signal. When it is used to check the car way, the each relay has each one-output signal. Technical parameter Full automatic tuned Loop inductance(incl. conn. wiring) : max:50H to1000H Sensitivity: adjustable in 10 increments Two operating frequency Relay output mode Relay output:1A/30VDC Impulse input width 300ms Reaction time: 100ms Environment expiation Automatic sensitivity Switching display: LED included lightning protection Supply voltage: AC220v10% Environmental parameter Storage temperature: -40 +85 ; Operating temperature: -40 +65 , Relative humidity: 95% Machine parameter Crust: PC + ABS engineering plastic Install: DIN lead rail