Nice M7BAR-KIT Automatic Barrier Gate System (24V DC) for Up to 7m 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 M7BAR-KIT Automatic Barrier Gate System (24V DC) for Up to 7m Boom Arm
The Nice M7BAR-KIT is a professional-grade automatic boom barrier system engineered for wide vehicle access control in demanding environments such as industrial facilities, logistics centers, parking areas, and gated communities. It is designed to handle boom arms up to 7 meters, making it suitable for large entry lanes where high durability and smooth traffic flow are required. The system operates using a 24V DC electromechanical gear motor with an integrated control unit located inside the barrier housing. The advanced control board includes a display and simple programming interface, allowing quick adjustment of operating parameters such as speed, force, and automatic closing time. Built for intensive-duty operation (around 200 cycles/hour), the M7BAR is designed to withstand continuous use in high-traffic environments. Its robust steel structure is treated with anti-corrosion protection (cataphoresis coating), ensuring long-term durability even in harsh outdoor conditions.
KEY FEATURES
- Automatic barrier system for up to 7m boom arm
- 24V DC electromechanical motor with integrated control unit
- High-speed opening (~6–10 seconds depending on installation)
- Intensive-duty cycle (up to ~200 cycles/hour)
- Integrated control board with display and joystick-style setup
- BlueBUS / loop detector compatibility (LP21 / LP22)
- Encoder-based movement control for precision operation
- Electromechanical limit switches
- Built-in obstacle detection and safety reversal
- Adjustable speed, torque, and auto-close settings
- Robust steel housing with anti-corrosion treatment
- Elliptical boom for wind resistance stability
- Master/slave dual barrier synchronization support
- Energy-saving standby mode
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