Description
Turn up the heat with Thermal Cameras
See Harry’s short video explaining the uses of Dahua’s Thermal Cameras.
Thermal Cameras – Why, When, Where, Which
In the last few years Thermal Cameras have become more prevalent for a number of reasons. In this blog, we will try to highlight some of the Which, Why, When and Where you may use them, with some examples of success stories.
Technical Specifications
| Detector Type | Vanadium oxide uncooled focal plane detector |
|---|---|
| Max. Resolution | 256 (H) × 192 (V) |
| Pixel Pitch | 12 μm |
| Spectral Range | 8 μm–14 μm |
| Thermal Sensitivity (NETD) |
< 40 mK (@f/1.0, 25 Hz, 300 K) |
| Field of View | 2 mm: H: 87.8°; V: 63.8° 3.5 mm: H: 50.6°; V: 37.8° 7 mm: H: 24°; V: 18° |
| Close Focus Distance | 2mm: 0.3 m (0.98 ft) 3.5 mm: 0.5 m (1.64 ft) 7 mm: 1 m (3.28 ft) |
| Detection Distance① | 2 mm: Vehicle: 256 m (841.24 ft); Human: 83 m (272 ft) 3.5 mm: Vehicle: 449 m (1,472.17 ft); Human: 146 m (479 ft) 7 mm: Vehicle: 897 m (2,944.34 ft); Human: 292 m (958 ft) |
| Recognition Distance② | 2 mm: Vehicle: 63 m (206.34 ft); Human: 21 m (69 ft) 3.5 mm: Vehicle: 110 m (361.10 ft); Human: 38 m (125 ft) 7 mm: Vehicle: 220 m (722.20 ft); Human: 75 m (246 ft) |
| Identification Distance③ | 2 mm: Vehicle: 32 m (104.15 ft); Human: 11 m (36 ft) 3.5 mm: Vehicle: 56 m (182.27 ft); Human: 19 m (622 ft) 7 mm: Vehicle: 111 m (364.54 ft); Human: 38 m (125 ft) |
| Aperture | F1.0 |
| Digital Detail Enhancement (DDE) |
Yes |
| Digital Zoom | 16 levels |
| AGC | Auto; Manual |
| Noise Reduction | 2D NR; 3D NR |
| Image Flip | 90°; 180°; 270° |
| 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) |
| Fusion Mode | 3 (Warm color; Cool color; Ironred) |
| Image Sensor | 1/2.7” CMOS |
| Max. Resolution | 2336 (H) × 1752 (V) |
| Pixel | 4 MP |
| Electronic Shutter Speed | 1/30,000 s–1 s |
| Min. Illumination | Color: 0.05 lux Black & white: 0.005 lux 0 lux (IR on) |
| IR Illumination Distance | 30 m (98.43 ft) |
| IR Illuminator On/Off Control |
Auto; Manual |
| Aperture | 2 mm: F2.2 4 mm: F1.6 8 mm: F2.0 |
| Field of View | 2 mm: H: 94°; V: 72° 4 mm: H: 71.2°; V: 52° 8 mm: H: 33.4°; V: 25° |
| Focus Control | Fixed |
| Close Focus Distance | 2 mm: 0.3 m (0.98 ft) 4 mm: 1 m (3.28 ft) 8 mm: 2.5 m (8.2 ft) |
| Day/Night | Auto (ICR); Color; B/W |
| BLC | Yes |
| WDR | DWDR |
| HLC | Yes |
| White Balance | Auto; Manual; Indoor; Outdoor; Tracking; Street lamp; Natural |
| AGC | Auto; Manual |
| Noise Reduction | 2D NR; 3D NR |
| S/N Ratio | ≥55 dB |
| Region of Interest (RoI) | Yes |
| Image Flip | 90°; 180°; 270° |
| Exposure Compensation | Yes |
| General Intelligence | Tripwire; Intrusion |
| Advanced Intelligence | Heat Detection & Alarm Cold & Hot Spot Trace Human & Vehicle Classification Smoking Detection Call Detection |
| Video Compression | H.265; H.264; H.264H; MJPEG |
| Resolution | Thermal: Main Stream: 1280 × 960 (1.3M); XVGA (1024 × 768); VGA (640 × 480); 256 × 192; 1280 × 960 (by default) Sub Stream: VGA (640 × 480); 256 × 192; 256 × 192 (by default) Visual: Main Stream: 2336 × 1752; 1080p (1920 × 1080); 720p (1280 × 720); D1 (704 × 576); 2336 × 1752 (by default) Sub Stream: 720p (1280 × 720); D1 (704 × 576); CIF (352 × 288); 352 × 288 (by default) |
| Frame Rate | Thermal 50 Hz: (main stream) 1 fps–25 fps adjustable, 25 fps by default; (sub stream) 1 fps–25 fps adjustable, 15 fps by default 60 Hz: (main stream) 1 fps–30 fps adjustable, 30 fps by default; (sub stream) 1 fps–30 fps adjustable, 15 fps by default Visual 50 Hz: (main stream) 1 fps–25 fps adjustable, 25 fps by default; (sub stream) 1 fps–25 fps adjustable, 15 fps by default 60 Hz: (main stream) 1 fps–30 fps adjustable, 30 fps by default; (sub stream) 1 fps–30 fps adjustable, 15 fps by default |
| Audio Compression | G.711a; G.711mu; PCM |
| Protocol | HTTPS; HTTP; TCP; ARP; RTSP; RTP; UDP; RTCP; SMTP; FTP; DHCP; DNS; DDNS; PPPOE; IPv4/v6; SNMP; QoS; UPnP; NTP |
| Edge Storage | Micro SD card (256 G) |
| Interoperability | ONVIF; CGI; DaHua SDK |
| Browser | IE: IE 8 and later Google: 42 and earlier Firefox: 42 and earlier |
| User/Host | 10 |
| Security | Authorized username and password; attached MAC address; encrypted HTTPS; IEEE 802.1x; controlled network access |
| Network | 1 × RJ-45 (10/100 Base-T) |
| Audio Input | 1 |
| Audio Output | 1 |
| Alarm Input | 1 |
| Alarm Output | 1 |
| RS-485 | 1 pair |
| Power Supply | 12 VDC, 1.2 A ± 20%; PoE |
| Power Consumption | Basic: <4.5 W (12 VDC, LED off); 4.8 W (PoE) Max: <10.1 W (12 VDC, LED on, heater on); 12.3 W (PoE) |
| Operating Temperature | –30 °C to +60 °C (–22 °F to +140 °F) |
| Storage Temperature | –30 °C to +70 °C (–22 °F to +158 °F) |
| Operating Humidity | ≤95% |
| Protection | IP67 |
| Product Dimensions | 122 mm × 122 mm × 112 mm (4.80″ × 4.80″ × 4.41″) (L × W × H) |
| Packaging Dimensions | 155 mm × 155 mm × 135 mm (6.10″ × 6.10″ × 5.31″) (L × W × H) |
| Net Weight | ≤0.85 kg (1.87 lb) |
| Gross Weight | ≤1 kg (2.20 lb) |
| Focal Length | Max. Distance |
| 2 mm | 25 m (82.02 ft) |
| 3.5 mm | 45 m (147.64 ft) |
| 7 mm | 86 m (282.15 ft) |
| Focal Length | Distance (Human) |
| 2 mm | 14 m (45.93 ft) |
| 3.5 mm | 24.5 m (80.38ft) |
| 7 mm | 49 m (160.76 ft) |
| Wall Mount | Ceiling Mount Junctio |
| Type | Model |
| Thermal Camera |
DHI-TPC-DF1241-B2F2-DW-S2 |
| DHI-TPC-DF1241-B3F4-DW-S2 | Visible: 4 MP 4 mm lens |
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