Nice M3BAR-KIT Automatic Barrier Gate System (24V DC) for Up to 3m Boom Arm
Unless selecting a vari-focal camera (with an adjustable lens) It is important to select the correct camera lens option for where the camera is to be positioned. A smaller lens will give you a wider angle but will be "zoomed out more", while a bigger lens will narrow the angle down and "zoom in more". See below to give you some idea on angles of Megapixel HD Cameras:
| Lens in mm | Approx Viewing Angle (degrees) | Ideal Distance (metres) | Typical usage/notes |
|---|---|---|---|
| 2.8 | 106 | <6 | For seeing as much of the immediate area as possible such as above a doorway/low down/garage soffits (edges can appear slightly warped/distorted) - clearly "zoomed out" |
| 3.6/4 | 83-90 | <12 | A great general purpose option giving great coverage still in the corner of a room or higher up on second floor soffits with less distortion - more of a natural "zoom" |
| 6 | 56 | 6-20 | Narrows down the angle and zooms in to look past the immediate area a little to gain more detail - down a driveway for example from higher up |
| 12 | 24 | 20+ | Zooms in significantly more to look at a gate, entrance or adjascent building |
| 16 | 19 | 24+ | As above but more so |
The amount of hard drive space you require is dictated by how many cameras, as well as their resolution and frame rate settings. Finally you can often make your storage space last a lot longer by enabling motion detected recording rather than continuous, especially if there are long periods of no activity.
|
Resolution (Megapixels) |
Days of storage provided by 1TB per camera (continuous - full 25 frames per second) |
Days of storage provided by 1TB per 4 cameras (continuous - full 25 frames per second) |
Days of storage provided by 1TB per 4 cameras (50% motion- 15 frames per second) |
|---|---|---|---|
| 1 | 44 | 11 | 36 |
| 2 | 22 | 5 | 18 |
| 3 | 17 | 4 | 14 |
| 4 | 11 | 3 | 9 |
| 5 | 9 | 2 | 8 |
| 6 | 8 | 2 | 6 |
| 8 (4K) | 5 | 1 | 4 |
| 12 | 4 | 0.5 | 3 |
As a rule of thumb we recommend a minimum of 2 Terabytes per 4 x 2-4MP HD cameras, as this should give you 2 weeks to a month with a few adjustments on motion detected recording. You may only require the full 25 frames per second on certain cameras if things are fast moving.
(All of our hard drives come fitted and are CCTV specific from one of the major brands)
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Nice M3BAR-KIT Automatic Barrier Gate System (24V DC) for Up to 3m Boom Arm
The Nice M3BAR-KIT is a professional automatic boom barrier system designed for efficient and reliable vehicle access control in parking facilities, commercial entrances, residential communities, and light industrial sites. It operates using a 24V DC electromechanical gearmotor with an integrated control unit located inside the barrier housing. This system is designed for intensive use, capable of handling high traffic flow environments with up to around 500–600 cycles per hour depending on configuration. It supports boom arms up to 3 meters, making it ideal for narrow to medium-width lanes. A key advantage of the M3BAR system is its advanced control unit with display and simplified programming interface, allowing quick setup of speed, force, and timing parameters. It also supports loop detector inputs (LP21/LP22) for automatic vehicle detection, improving traffic efficiency and safety.
KEY FEATURES
- Automatic barrier gate system for up to 3m boom arm
- 24V DC electromechanical motor with integrated control unit
- High-speed opening (approx. 1.5–4 seconds)
- Intensive-duty cycle for high traffic environments
- Loop detector compatibility (LP21/LP22 inputs)
- Encoder-based movement control for smooth operation
- Advanced obstacle detection and safety monitoring
- Adjustable speed, torque, and auto-close timing
- Master/slave synchronization for dual barriers
- Robust steel housing with corrosion protection
- High-durability balancing spring system
- Energy-saving standby mode
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