Technical Specifications
| Specification | Details |
|---|---|
| Brand | Dahua |
| Model | DH-HAC-T1A51P-S2-0280B |
| Product Type | 5MP HDCVI IR Fixed-Focal Eyeball Camera |
| Series | Dahua Cooper Series |
| Image Sensor | 1/2.7″ CMOS |
| Effective Pixels | 2880 × 1620 |
| Maximum Resolution | 5MP |
| Scanning System | Progressive Scan |
| Minimum Illumination | 0.02 Lux @ F2.0, 30IRE; 0 Lux with IR On |
| S/N Ratio | More than 65dB |
| Lens Type | Fixed Lens / Fixed Iris |
| Focal Length | 2.8mm |
| Lens Mount | M12 |
| Maximum Aperture | F2.0 |
| Field of View | Diagonal: 125° / Horizontal: 106° / Vertical: 56° |
| Close Focus Distance | 0.8m |
| IR Illumination Distance | Up to 20m |
| IR Illumination | Smart IR |
| Day & Night | Auto ICR / Manual |
| Video Output | HDCVI / TVI / AHD / CVBS |
| Video Interface | 1 × BNC |
| 5MP Frame Rate | Up to 25fps, depending on video standard and output mode |
| Supported Resolutions | 5MP / 4MP / 1080P / 960H |
| WDR | DWDR |
| Backlight Compensation | BLC / HLC / DWDR |
| Noise Reduction | 2DNR |
| Gain Control | AGC |
| White Balance | Auto / Manual |
| Electronic Shutter | PAL: 1/25s–1/100,000s; NTSC: 1/30s–1/100,000s |
| Pan / Tilt / Rotation | Pan: 0°–360° / Tilt: 0°–78° / Rotation: 0°–360° |
| DORI – Detect | 56.0m |
| DORI – Observe | 22.4m |
| DORI – Recognize | 11.2m |
| DORI – Identify | 5.6m |
| OSD Menu | Multi-language OSD |
| Privacy Masking | Up to 8 Areas |
| Mirror | Off / On |
| Power Supply | 12V DC ±30% |
| Power Consumption | Maximum 2.7W with IR On |
| Operating Temperature | -40°C to +55°C |
| Operating Humidity | Less than 95% RH |
| Protection | Not specified in the older A51-S2 datasheet |
| Housing Material | Plastic |
| Dimensions | Ø85.4 × 68.8mm |
| Net Weight | Approx. 0.09kg |
