AXIS T94A01D Pendant Kit for PTZ Dome Cameras (5502-431) 1.5” NPS/NPT Mount Adapter
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, frame rate settings, and whether you have H.265 encoding enabled or not to save space (We advise turning it on to double the capacity shown below with ease).
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 (to perhaps double or more these figures again).
|
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 2 Terabytes for a 4 x 4/5MP HD camera setup, as this should give you approx 2 weeks using H.265 @ 20fps and that is on continuous, not motion-detected recording.
(You may only require the full 25 frames per second on certain cameras if things are fast-moving - ie above a till)
You can also use the Hikvision online calculator to work out what works best for you specifically: https://tools.hikvision.com/ca...
(All of our hard drives come fitted and are CCTV-specific from one of the major brands)
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AXIS T94A01D Pendant Kit for PTZ Dome Cameras (5502-431) 1.5” NPS/NPT Mount Adapter.
The AXIS T94A01D Pendant Kit (5502-431) is a professional mounting accessory designed for AXIS PTZ and dome network cameras. Built from durable aluminium, it allows cameras to be securely mounted on standard 1.5” NPS/NPT threaded brackets, enabling flexible ceiling, wall, pole, and parapet installations.
The kit is compatible with various AXIS mounting solutions, including the T91B50, T91B51, T91B63, T91D61, and T91D62 series. Designed for outdoor and indoor surveillance systems, it provides reliable support, clean cable management, and professional installation flexibility.
Key Features:
Pendant kit for AXIS PTZ & dome cameras
Supports 1.5” NPS/NPT threaded mounts
Durable aluminium construction
Suitable for indoor & outdoor use
Enables flexible mounting configurations
Compatible with ceiling, wall & parapet mounts
Stable and secure camera installation
Professional cable management support
Works with multiple AXIS mounting accessories
Ideal for commercial surveillance systems
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