VHSD-770EXT
HSDE Concept Pro 23x Zoom true DN 540tvl 24V EXT
The VHSD-770EXT provides exceptional low-light performance with advanced image signal processing. The powerful processing capacity of the VHSD-770EXT maximizes the quality of the footage in extremely low illumination levels and is our best performing high-speed dome camera in low light conditions.
With the 23x zoom function this camera is the premier solution to any installer needing a competitvely priced high-speed dome without compromise.
Suitable for a wide variety of outdoor surveillance applications, the VHSD-770EXT features 127 preset positions, 4 pattern tours and 8 variable speed tracking functions which can be configured to 8 group profiles allowing a near hands-free operation.
8 alarm inputs and 4 alarm outputs at the head offer plenty of flexibility for connection of proximity sensors and other external equipment. Utilising the Pelco P and Pelco D protocols, the VHSD-770EXT can be fully integrated with most installations and is an excellent legacy systems solution.
Both Power Supply and Wall Mount Bracket are supplied.

Specification
| Camera |
|
| CCD |
1/4 True Day/Night (ICR) |
| Resolution |
540TVL Colour, 570TVL Mono |
| Minimum Illumination |
Colour 0.6 Lux, Mono 0.1 Lux |
| Optical Zoom |
23x 3.84-88.4mm (F1.6-3.2) |
| Digital Zoom |
2x, 4x & 8x |
| S/N Ratio |
50db |
| Focus |
Auto/Manual |
| White Balance |
ATW/Manual |
| Back Light Compensation |
Low/Middle/High/Off |
| Pan/Tilt |
|
| General |
Pan: 360◦ continuous rotation, Tilt 90◦ with auto-flip function |
| Speeds |
Manual/Pattern Tour: 0.1◦-180◦/second, Preset to Preset: 400◦/second, Swing: 15◦-30◦-60◦/second selectable |
| Preset Positions |
Up to 127, 15 Character title per preset, adjustable dwell time per preset (1 sec~4min) |
| Pattern Tours |
Up to 4, maximum 1 minute per tour |
| Variable Speed Tracking |
Up to 8, speed adjustable |
| Groups |
Up to 8, each with up to 20 preset actions (preset, tour or VST) |
| Privacy Zones |
Up to 4, user definable |
| Park Function |
Park to specified preset after a defined period of inactivity (1min ~4 hours) |
| Communication |
|
| Data Type |
RS-485 |
| Protocols |
Pelco-D or Pelco-P |
| Baud Rates |
2400, 4800, 9600 |
| Camera ID |
1-255 |
| Alarm Inputs/Outputs |
8 inputs/4 outputs |
| On-Screen Display |
Set-up menu, camera position, camera ID, alarm status, preset/VST/pattern tour status |
| Mechanical |
|
| Environmental Rating |
IP66 |
| Fan/Heater |
Built-in |
| Sunshield |
Fitted |
| Operating Temperature Range |
-35◦c to +50◦c |
| Humidity |
<95% |
| Power Supply |
24V AC, 20 Watts maximum (heater on) |
| Dimensions (with standard wall bracket and sunshield fitted) |
H 530mm x W 230mm x D 342mm |
| Spectral Response |
850nm |
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