Hikvision DS-6701HUHI single channel encoder
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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Hikvision DS-6701HWI Single Channel Video Encoder
The Hikvision DS-6701HWI is a single-channel network video encoder designed to convert analogue CCTV video into an IP stream, making it ideal for integrating existing analogue cameras into an IP-based surveillance system.
It provides 1 x BNC video input and supports WD1, 4CIF, 2CIF, CIF and QCIF recording resolutions, with frame rates up to 25fps for PAL and 30fps for NTSC. The encoder supports H.264, MPEG4, MPEG2 and MJPEG compression together with dual-stream operation for flexible network transmission.
The DS-6701HWI also includes audio input and output, two-way audio, RS-485 control, alarm input/output and a 10/100Mbps Ethernet interface with PoE support. It is ONVIF Profile S compatible, making it suitable for integration with compatible third-party video management systems and network recording solutions.
Key Features:
- 1-channel analogue video encoder
- 1 x BNC video input
- Converts analogue CCTV video to IP
- Supports WD1, 4CIF, 2CIF, CIF and QCIF resolution
- Up to 25fps PAL / 30fps NTSC
- H.264, MPEG4, MPEG2 and MJPEG compression
- Dual-stream support
- 1 x audio input
- 1 x audio output
- Two-way audio support
- 1 x alarm input
- 1 x alarm output
- 1 x RS-485 interface
- 1 x RJ45 10/100Mbps Ethernet interface
- PoE network support
- ONVIF Profile S compatible
- Supports NAS, iSCSI, IPSAN and microSD storage
- microSD storage up to 32GB
- 12V DC power input
- Power consumption up to 6W
- Operating temperature: -10°C to 55°C
- Dimensions: 80 x 90 x 39mm
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