Haydon HAY-FIRE-DO Fire Alarm Detector Operated Remote Indicator with Red LED
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-DO Fire Alarm Detector Operated Remote Indicator with Red LED
The Haydon HAY-FIRE-DO is a professional remote detector operated indicator developed to provide a clear visual indication of detector activation within fire detection and alarm systems. It enables maintenance personnel and building occupants to quickly identify which detector has entered an alarm state, particularly when the detector itself is installed in a location that is not easily visible.
Designed for use with compatible fire alarm detectors, the HAY-FIRE-DO activates automatically whenever the connected detector enters an alarm condition. Its bright red LED indicator provides an immediate visual signal, making it easier to locate the activated detector without accessing concealed ceiling voids, service ducts or locked plant rooms.
The compact, low-profile design allows the indicator to be installed on walls, ceilings or entrance points adjacent to concealed detection devices. This improves maintenance efficiency, reduces fault-finding time and assists engineers during routine system inspections and alarm investigations.
KEY FEATURES
- Remote detector operated indicator
- High-intensity red LED alarm indication
- Provides visual indication of detector activation
- Ideal for concealed or inaccessible fire detectors
- Suitable for ceiling voids and service risers
- Compact surface-mounted design
- Durable red housing
- Simple two-wire connection
- Low power consumption
- Fast and reliable alarm indication
- Suitable for commercial and industrial fire alarm systems
- Designed for professional fire detection installations
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