TPC-SDA8641-B25Z45 - is an intelligent PTZ thermal camera designed for advanced perimeter protection and professional monitoring of large areas. It integrates a 640 × 512 VOx thermal sensor with 25 mm thermal lens and a 4 MP Starlight visible camera with 5.5-248 mm lens and 45x optical zoom , offering detailed images and precise detection in any condition. Thanks to intelligent tracking linked between thermal and visible channels , Artificial Intelligence functions for human/vehicle classification, tripwire , intrusion detection and boat detection , it guarantees effective and reliable surveillance. The equipment also includes two-way audio , light and sound alarm , IR illumination up to 250 meters , independent dual PTZ and IP66 protection, ideal for critical infrastructures and industrial sites. Dahua
TPC-SDA8641-B25Z45 | POE PTZ THERMAL IP CAMERA WITH 5.5-248mm VARIFOCAL LENS - 25mm THERMAL LENS - 4 MP STARLIGHT - ARTIFICIAL INTELLIGENCE - TWO-WAY AUDIO - SMOKE AND HEAT DETECTION

The Dahua TPC-SDA8641-B25Z45 is an intelligent PTZ thermal camera designed for advanced perimeter protection and critical infrastructure monitoring. It integrates a 640 × 512 VOx thermal sensor with 25 mm thermal lens and a 4 MP Starlight visible camera with 5.5-248 mm lens and powerful 45x optical zoom , offering detailed images and accurate detection even at long distances. Thanks to linked tracking between thermal and visible channels , Artificial Intelligence functions with human/vehicle classification, tripwire , intrusion detection and boat detection , it guarantees efficient and precise surveillance. The equipment also includes two-way audio , sound and light alarm , IR illumination up to 250 meters , independent dual PTZ and IP66 protection to operate in any environmental conditions.
Main specifications:
- VOx thermal sensor 640 × 512
- 4 MP Starlight Camera
- 25mm thermal optics
- Visible optics 5.5-248 mm
- 45x optical zoom
- AI with human/vehicle classification
- Tripwire and Intrusion Detection
- Boat Detection
- Thermal-visible tracking
- Two-way audio
- Sound and light alarm
- IR illumination 250 m
- IP66 protection
Further details
The visible camera integrates a 5.5-248 mm motorized lens with a powerful 45x optical zoom , ideal for monitoring large areas and for the precise identification of people, vehicles and critical details even at long distances.
The TPC-SDA8641-B25Z45 features a 25mm thermal optic with an optimized field of view for perimeter protection and thermal anomaly detection, enabling reliable monitoring in any light or weather conditions.
✅ Two-way audio:
Technical data sheet
| TPC-SDA8641-B25Z45 | ||
| Thermal | ||
| Detector Type | Vanadium oxide uncooled focal plane detector | |
| Effective Pixels | 400 (H) × 300 (V) | |
| Pixel Pitch | 12 μm | |
| Spectral Range | 8 μm–14 μm | |
| Sensitivity (NETD) | <35 mk="" f="" 1="" 0="" td=""> | |
| Focal Length | 25 mm | |
| Field of View | H: 24.6°; V: 19.8° | |
| Thermal Focus Control | Fixed-focal | |
| Close Focus Distance | 1 m (3.28 ft) | |
| Digital Detail Enhancement (DDE) | Yes | |
| Digital Zoom | 19 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 | 1/1.8" CMOS | |
| Max. Resolution | 2560 (H) × 1440 (V) | |
| Pixel | 4 MP | |
| Horizontal Definition |
Center ≥ 1200 TVL |
|
| Min. Illumination | Color: 0.001 [email protected] Black & white: 0.0001 [email protected] 0 lux (IR 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 | Yes | |
| HLC | Yes | 36 VDC/5A ± 25% |
| Power Consumption | Basic: 30 W Max: 58 W (illuminator) |
|
| Environment | ||
| Operating Temperature | –40 °C to +65 °C (–40 °F to +149 °F) | |
| Operating Humidity | ≤95% | |
| Physical Characteristics | ||
| Protection | IP66 | |
| Reliability | Surge protection: 6 kV Air discharge: 15 kV Contact discharge: 8 kV |
|
| Structure | ||
| Product Dimensions | 484.8 mm × 267 mm × 476.5 mm (19.09" × 10.51" × 18.76") (L × W × H) | |
| Packaging Dimensions | 708 mm × 380 mm × 580 mm (27.87" × 14.96" × 22.83") (L × W × H) | |
| Net Weight | 15.9 kg (35.05 lb) | |
| Gross Weight | 21.5 kg (47.40 lb) | |


