The Hikvision DS-2TD1228-2/QA Thermal & Optical Bi-Spectrum Network Turret Camera integrates thermal and optical imaging technologies to provide comprehensive surveillance capabilities. Its thermal module features a 256 × 192 resolution with a 12 μm Vanadium Oxide uncooled focal plane array, offering a field of view of 90.0° × 65.4° (horizontal × vertical). The optical module is equipped with a 1/2.7″ progressive scan CMOS sensor, delivering high-definition images at a resolution of 2688 × 1520 and a wide dynamic range of 120 dB. This dual-spectrum approach ensures effective monitoring in various lighting conditions.
Designed for proactive security, the camera supports video content analysis with vehicle and human classification, enhancing threat detection accuracy. It offers temperature exception alarms for fire prevention, capable of measuring temperatures ranging from -20°C to 150°C with an accuracy of ±8°C. Additional features include smoking detection algorithms and a sun-reflection filter, contributing to its reliability in diverse environments. The camera’s robust build, rated at IP67 for protection, ensures durability against harsh weather conditions.
Technical Specifications:
Thermal Module | |
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Image Sensor | Vanadium Oxide Uncooled Focal Plane Arrays |
Resolution | 256 × 192 |
Pixel Pitch | 12 μm |
Spectral Range | 8 μm to 14 μm |
NETD | < 40 mK (25°C, F1.1) |
Focal Length | 2.1 mm |
IFOV | 5.71 mrad |
Field of View | 90.0° × 65.4° (H × V) |
Min. Focusing Distance | 0.1 m |
Aperture | F1.0 |
Digital Zoom | ×2, ×4 |
Optical Module | |
Image Sensor | 1/2.7″ Progressive Scan CMOS |
Resolution | 2688 × 1520 |
Min. Illumination | 0.0176Lux @(F2.25,AGC ON), 0 Lux with IR |
Shutter Speed | 1 s to 1/100,000 s |
Focal Length | 2.2 mm |
Field of View | 117.8° × 70.4° (H × V) |
Aperture (Range) | F2.25 |
WDR | 120 dB |
Image Effect | Target Coloration – Yes, supported in white hot and black hot mode. |
Illuminator | |
IR Distance | Up to 15 m |
IR Intensity and Angle | Automatically adjusted |
Audible and Visual Alarm | |
White Light Range | Up to 30 m |
Visual Alarm | Yes. White light alarm with adjustable flashing frequencies |
Audio Alarm | Yes, for two types of audible alarm (VCA and Temperature Exception) 2 preset voice alerts (one for each) 6 importable user-defined voice alerts (6 options shared in the two types) |
Smart Function | |
VCA | 4 rule types (line crossing, intrusion, region entrance, and region exiting), up to 8 rules total |
Temperature Measurement | 3 rule types, 21 rules total (10 points, 10 areas, 1 line) |
Temperature Range | -20°C to 150°C (-4°F to 302°F) |
Temperature Accuracy | ±8°C (±14.4°F) |
General Function | Fire detection, smoking detection, sun-reflection filter |
Video and Audio | |
Main Stream | Thermal: 25 fps (1280 × 720, 704 × 576, 640 × 512, 320 × 240) Optical: 50 Hz: 25 fps (2688 × 1520, 1920 × 1080, 1280 × 720) 60 Hz: 30 fps (2688 × 1520, 1920 × 1080, 1280 × 720) |
Sub-stream | Thermal: 25 fps (704 × 576, 640 × 512, 320 × 240) Optical: 50 Hz: 25 fps (704 × 576, 352 × 288) 60 Hz: 30 fps (704 × 480, 352 × 240) |
Video Compression | Main Stream: H.265/H.264 Sub-Stream: H.265/H.264/MJPEG |
Audio Compression | G.722.1, G.711ulaw, G.711alaw, MP2L2, G.726, PCM |
Network | |
Protocols | IPv4/IPv6, HTTP, HTTPS, 802.1x, QoS, FTP, SMTP, UPnP, SNMP, DNS, DDNS, NTP, RTSP, RTCP, RTP, TCP, UDP, IGMP, ICMP, DHCP, PPPoE, TP, Bonjour, SFTP, SRTP, TLS |
Network Storage | MicroSD/SDHC/SDXC (up to 256 GB), NAS (NFS, SMB/CIFS), ANR |
API | ISAPI, HIKVISION SDK, ISUP, ONVIF (Profile S, Profile G) |
Simultaneous Live View | Up to 20 channels |
User/Host Level | Up to 32 users, 3 levels: Administrator, Operator, User |
Security | User authentication, MAC binding, HTTPS encryption, IEEE 802.1x, access control, IP filtering |
Client | iVMS-4200, Hik-Connect |
Web Browser | Live view: IE 11 (plug-in), Chrome 57+, Firefox 52+ (plug-in free) |
Interface | |
Alarm Input | 1 alarm input (0–5 VDC) |
Alarm Output | 1 alarm output (configurable) |
Alarm Action | SD recording, Relay output, Smart capture, FTP upload, Email linkage |
Audio Input | 1, 3.5 mm Mic/Line in. Line: 2–2.4 V [p-p], 1 KΩ ± 10% |
Audio Output | Linear level, 600 Ω impedance |
Communication Interface | 1 RJ45 10/100M Ethernet, 1 RS-485 (half duplex) |
General | |
Web Client Language | 32 languages including English, Russian, Korean, Traditional Chinese, Portuguese (Brazil), etc. |
Power Supply | 12 VDC ± 25%, φ 5.5 mm plug, PoE (802.3af, Class 3) |
Power Consumption | 12 VDC: Max 6 W; PoE: Max 6.5 W |
Working Temp/Humidity | -40°C to 65°C, Humidity ≤ 95% |
Protection Level | IP67, TVS 6000V lightning/surge/voltage transient protection |
Dimensions | 138.3 mm × 138.3 mm × 123.1 mm (5.45″ × 5.45″ × 4.85″) |
Weight | 940 g (2.07 lb) |
Detection Range Table / Smart Function Range | |
VCA Range for Humans | 16 m |
VCA Range for Vehicles | 48 m |
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