The number and configuration of the SharpZ3 cameras installed on a patrol vehicle depends on whether the SharpZ3 system will be reading license plates for parking enforcement, law enforcement, or for vehicle repossession.
The following table lists the camera locations for the most common SharpZ3
installation configurations. If these scenarios do not apply to your installation,
contact your AutoVu representative.
| Configuration | Maximum speed | Cameras | Driver Front |
Passenger Front |
Driver Rear |
Passenger Rear |
|---|---|---|---|---|---|---|
| Parking commercial kits | ||||||
| University, City, Overtime | 40 km/h (25 mph) | 2 | 12 mm | 8 mm | ||
| Central (EU) 2x2 | 40 km/h (25 mph) | 2 | 12 mm | 8 mm | ||
| Central (EU) 4x4 | 40 km/h (25 mph) | 4 | 12 mm | 8 mm | 12 mm | 8 mm |
| Law enforcement1 | ||||||
| City vehicle | 3 | 16 mm | 12 mm | 16 mm | ||
| City vehicle | 2 | 12 mm | 25 mm | |||
| City vehicle (rear plates2) |
2 | 16 mm | 12 mm | |||
| Highway vehicle | 3 | 16 mm | 12 mm | 25 mm | ||
| Highway vehicle | 2 | 12 mm | 25 mm | |||
| Highway vehicle (rear plates2) |
2 | 25 mm | 12 mm | |||
| Highway (shoulder3) |
2 | 25 mm | 12 mm | |||
| Vehicle repossession1 | ||||||
| Repo vehicle | 70 km/h (45 mph) | 4 | 12 mm | 8 mm | 16 mm | 25 mm |
NOTE: The recommended camera configurations are based on the following assumptions:
- License plate characters are between 25 and 60 pixels high in the images acquired by the ALPR camera.
- License plates are mounted on vehicles between 0.3 m and 0.9 m (1 to 3 feet) from the ground.
- Horizontal distance from the camera to the license plate:
- Parking lots
- 2.0 m (6.5 ft) to 3.2 m (10.5 ft)
- Street patrol (2 lanes)
- 2.1 m (7.0 ft) to 5.2 m (17 ft)
1 These are recommended configurations and are not sold as kits.
2 For regions where a license plate is not required on the front of the vehicle.
3 For patrol vehicles that park on the shoulder or breakdown lane and must read license plates across multiple lanes.