Haydon HAY-FIRE-SLEEVE Fire-Resistant Cable Sleeve for Fire Alarm Cable Protection
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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Haydon HAY-FIRE-SLEEVE Fire-Resistant Cable Sleeve for Fire Alarm Cable Protection
The Haydon HAY-FIRE-SLEEVE is a high-quality fire-resistant cable sleeve developed to enhance the protection and longevity of fire alarm cables in professional life safety installations. Designed for use alongside fire detection and alarm systems, it provides an additional protective layer that helps shield cables from abrasion, mechanical damage and general environmental wear, contributing to a more reliable and durable installation.
Manufactured from robust fire-resistant materials, the sleeve is suitable for routing fire alarm cables through areas where additional physical protection is required. Its flexible construction allows it to be fitted quickly over cables while maintaining excellent bend performance, making it suitable for both new installations and retrofit projects.
The HAY-FIRE-SLEEVE also improves the overall appearance of cable installations by neatly enclosing exposed wiring, creating a clean and organised finish around fire alarm control panels, junction boxes, power supplies and other fire system equipment. This helps installers achieve a professional standard while simplifying future inspection and maintenance.
KEY FEATURES
- Fire-resistant protective cable sleeve
- Designed for fire alarm and life safety systems
- Provides additional cable protection
- Helps protect against abrasion and mechanical damage
- Flexible construction for easy installation
- Suitable for new installations and retrofit projects
- Creates a neat and professional cable finish
- Ideal for protecting exposed fire alarm cabling
- Suitable for commercial, industrial and residential applications
- Durable construction for long-term reliability
- Low-maintenance solution
- Compatible with a wide range of fire alarm installations
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