Description
Dahua Camera HAC-B1A21 – Buy Dahua CCTV from Dahua CC Camera Bangladesh. We are one of the Dahua dealer in Bangladesh is presenting the best CC Camera Brand.
Dahua Camera HAC-B1A21 price
Specification:
| Camera Feature | ||
| Image Sensor | 1/2.7″ CMOS | |
| Effective Pixels | 1920(H)×1080(V), 2MP | |
| IR Distance | Up to 20m (66feet) | |
| Others | Scanning System Progressive Electronic Shutter Speed PAL: 1/25~1/100000s NTSC: 1/30~1/100000s Minimum Illumination 0.04Lux/F1.85, 30IRE, 0Lux IR on S/N Ratio More than 65dB |
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| Lens | ||
| Type | Fixed lens / Fixed iris | |
| Focal Length | 3.6mm (6mm Optional) | |
| Aperture | F1.85 | |
| Angle of View | H: 93° ( 54.7°) | |
| Physical Specification | ||
| Dimension | 70mm×70mm×149mm (2.76″×2.76″×5.87″) | |
| Weight | Net Weight 0.14kg (0.31lb) Gross Weight 0.17kg (0.37lb) |
|
| Power | Power Supply 12V DC ±30% Consumption of Power Max. 2.7W (12V DC, IR on) |
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| DORI Distance | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Note: The DORI distance is a “general proximity” of distance which
makes it easy to pinpoint the right camera for your needs. The DORI distance is calculated based on sensor specification and lab test result according to EN 62676-4 which defines the criteria for Detect, Observe, Recognize and Identify respectively. |
| DORI
Definition |
Distance | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Detect | 25px/m
(8px/ft) |
2.8mm: 37m(121ft)
3.6mm: 51m(167ft) 6mm: 80m(262ft) |
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| Observe | 63px/m
(19px/ft) |
2.8mm: 15m(49ft)
3.6mm: 20m(66ft) 6mm: 32m(105ft) |
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| Recognize | 125px/m
(38px/ft) |
2.8mm: 8m(26ft)
3.6mm: 10m(33ft) 6mm: 16m(51ft) |
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| Identify | 250ppm
(76px/ft) |
2.8mm: 4m(14ft)
3.6mm: 5m(17ft) 6mm: 8m(26ft) |
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