Description
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.
How to choose the correct Thermal Camera for your project
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 | 3.5 mm: H: 50.6°; V: 37.8° 7 mm: H: 24°; V: 18° 10 mm: H: 17.3°; V: 13.1° |
| Close Focus Distance | 3.5 mm: 0.5 m (1.64 ft) 7 mm: 1 m (3.28 ft) 10 mm: 2 m (6.56 ft) |
| Detection Distance① | 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) 10 mm: Vehicle: 1,282 m (4,206.20 ft); Human: 417 m (1,368 ft) |
| Recognition Distance② | 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) 10 mm: Vehicle: 314 m (1,031.71 ft); Human: 107 m (351 ft) |
| Identification Distance③ | 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) 10 mm: Vehicle: 159 m (520.77 ft); Human: 54 m (177 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 | 4 mm: F1.6 8 mm: F2.0 12 mm: F2.0 |
| Field of View | 4 mm: H: 71.2°; V: 52° 8 mm: H: 33.4°; V: 25° 12 mm: H: 22°; V: 16.6° |
| Focus Control | Fixed |
| Close Focus Distance | 4 mm: 1 m (3.28 ft) 8 mm: 2.5 m (8.2 ft) 12 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 |
| Temperature Range | Low Temperature Mode: –20 °C to +150 °C (–4 °F to +302 °F) High Temperature Mode: 0 °C to +550 °C (+32 °F to +1022 °F) |
| Temperature Accuracy | Max (± 2 °C, ± 2%) Operating Temperature: –20 °C to+50 °C (–4 °F to +122 °F) |
| Temperature Mode | Spot: 12 Line: 12 Area: 12 Support 12 rules simultaneously |
| 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 ± 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 | 205.5 mm × 90.4 mm × 90.1 mm (8.09” × 3.56” × 3.55”) (L × W × H) |
| Packaging Dimensions | 279 mm × 187 mm × 138 mm (10.98” × 7.36” × 5.43”) (L × W × H) |
| Net Weight | ≤0.9 kg (1.98 lb) |
| Gross Weight | ≤1.3 kg (2.87 lb) |
| Focal Length | Max. Distance |
| 3.5 mm | 45 m (147.64 ft) |
| 7 mm | 86 m (282.15 ft) |
| 10 mm | 123 m (403.54 ft) |
| Focal Length | Min. Distance |
| 3.5 mm | 1 m (3.28 ft) |
| 7 mm | 2 m (6.56 ft) |
| 10 mm | 3 m (9.84 ft) |
| Note: The table displays the measured distances obtained from using the 0.1 m × 0.1 m for testing in an environment where the temperature relative humidity is below 60%. The table is for reference only. The distances within it are subject to including atmospheric conditions, target size, the installation site, a |
target size is 23 °C and the actual conditions nd more. |
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