TPC-SD2241-TB7F8-DW-S2 - is a bispectral thermal Speed Dome camera designed for advanced perimeter protection and professional thermal monitoring. Equipped with a 256×192 VOx thermal sensor with NETD sensitivity ≤40 mK and a 4 MP CMOS optical sensor , it guarantees reliable and detailed images in any environmental conditions. The combination of 7 mm thermal lens and 8 mm visible lens offers superior performance in the detection, recognition and monitoring of people, vehicles and thermal anomalies over medium and long distances. The advanced Artificial Intelligence functions support human/vehicle classification, heat, smoke, intrusion and line crossing detection, while 360° PTZ , thermal and visible image fusion , two-way audio , sound and light alarm , PoE+ support and IP66 protection make this solution ideal for professional security applications. Dahua
TPC-SD2241-TB7F8-DW-S2 | POE PTZ THERMAL IP CAMERA WITH 8mm FIXED LENS - 7mm THERMAL LENS - 4 MEGAPIXELS - ARTIFICIAL INTELLIGENCE - TWO-WAY AUDIO - HEAT AND SMOKE DETECTION

The Dahua TPC-SD2241-TB7F8-DW-S2 is a bispectral thermal speed dome camera designed for advanced perimeter protection and intelligent threat detection. Thanks to the 256×192 VOx thermal sensor with NETD sensitivity ≤40 mK and the 4 MP CMOS optical sensor , it ensures reliable and detailed images in any lighting conditions. The combination of 7 mm thermal lens and 8 mm visible lens ensures excellent detection, recognition and identification performance over medium and long distances. Advanced Artificial Intelligence functions include human/vehicle classification, heat, smoke, intrusion and line crossing detection, while 360° PTZ , two-way audio , sound and light alarm , thermal and visible image fusion technology, PoE+ support and IP66 protection complete a professional solution for perimeter security.
Main specifications:
- 256 × 192 VOx thermal sensor
- 4 MP CMOS optical sensor
- 7mm thermal optics
- Visible optics 8 mm
- Continuous 360° PTZ
- AI: Human/Vehicle
- Heat and smoke detection
- Two-way audio
- Sound and light alarm
- PoE+ and IP66
Further details
The 8mm visible lens offers an excellent balance between coverage and detail, with a 33.4° field of view , ideal for monitoring perimeter areas, entrances and sensitive areas at medium distances.
The 7mm thermal optic significantly increases the detection and recognition capabilities of heat sources, proving particularly effective for perimeter protection and fire prevention.
✅ Two-way audio:
Technical data sheet
| TPC-SD2241-TB7F8-DW-S2 | |
| Thermal | |
| Detector Type | Vanadium oxide uncooled focal plane detector |
| Effective Pixels | 256 (H) × 192 (V) |
| Pixel Pitch | 12 μm |
| Spectral Range | 8 μm–14 μm |
| Sensitivity (NETD) | ≤40 mK (@f/1.0) |
| Focal Length | 7 mm |
| Field of View | H: 24°; V: 18° |
| Thermal Focus Control | Fixed-focal |
| Close Focus Distance | 1 m (3.28 ft) |
| Digital Detail Enhancement (DDE) | Yes |
| Digital Zoom | 16 levels |
| Thermal AGC | Auto/Manual |
| Thermal Noise Reduction | 2D NR/3D NR |
| Image Flip | 180°; Mirror |
| Color Palettes | 18 (white hot/black hot/fusion/rainbow/golden autumn/midday/iron red/amber/jade/sunset/icefire/painting/pomegranate/emerald /spring/summer/autumn/winter) |
| Visible | |
| Image Sensor | 1/2.7" CMOS |
| Max. Resolution | 2336 (H) × 1752 (V) |
| Pixel | 4 MP |
| Horizontal Definition |
≥1600 TVL |
| Min. Illumination | Color: 0.05 lux Black & white: 0.005 lux 0 lux (white light on) |
| Visible AGC | Auto/Manual |
| Visible Noise Reduction | 2D NR/3D NR |
| S/N Ratio | >55 dB |
| White Balance | Car; manual; indoor; outdoor; tracking; sodium lamp; street lamp; natural |
| Defog | Electronic defog |
| Electronic Shutter Speed | 1 s–1/30,000 s (auto/manual) |
| BLC | Yes |
| WDR | DWDR |
| HLC | Yes |
| Day/Night | Auto (ICR); Color; B/W |
| Iris Control | Manual/Auto |
| Image Flip | 180° |
| Exposure Compensation | Yes |
| Visible Focus Control | Fixed-focal |
| Focal Length | 8mm |
| Field of View | H: 33.4°; V: 25° |
| Close Focus Distance | 2.5 m (8.20 ft) |
| Openings | F2.0 |
| Illuminator On/Off Control | Auto; manual |
| Illumination Distance | 50 m (164.04 ft) |
| Audio and Video | |
| Video Compression | H.265; H.264M; H.264H; H.264B |
| Video Compression | |


