1.An induction coil along with a vehicle detector can detect the passing of vehicles.
2.The induction coil is installed and positioned under the ground on site which buried an induction wire and several coils (more than two coils). Each coil is located to the nearest vehicle detector and carefully measured with one full length.
3.The coil insulation can withstand one-minute 500V test and the insulation resistance is above 20MΩ.
4.The cable is a single-stranded cable for vehicle detection.
1.Conductor resistance: ≦10Ω/km
2. Insulation coating: 20MΩ/km