Product Overview
Combining thermal and optical imaging in a single turret housing, the Hikvision DS-2TD1228-2-QA delivers genuine bi-spectrum surveillance for sites where detecting heat signatures matters as much as recording visible-light footage. The thermal module uses a 256×192 Vanadium Oxide uncooled focal plane array with a 12 μm pixel pitch, NETD below 40 mK, and a 90.0° x 65.4° field of view, giving it the wide-angle coverage needed for perimeter corners, plant entrances, and outdoor gathering areas. The optical module pairs a 1/2.7″ progressive scan CMOS sensor with 2688×1520 resolution, 120 dB WDR, and a 117.8° x 70.4° field of view. Built-in fire detection, smoking detection, and temperature exception alarms spanning -20°C to 150°C make this camera a proactive monitoring tool rather than a passive recorder. IP67 weatherproofing, TVS 6000V surge protection, and a rated working temperature of -40°C to 65°C support permanent outdoor mounting in harsh Australian conditions. VCA rules including line crossing and intrusion detection extend detection range to 16 m for humans and 48 m for vehicles.
Key Capabilities
Thermal Bi-Spectrum Detection
The 256×192 VOx UFPA thermal sensor with 12 μm pixel pitch and NETD below 40 mK detects heat signatures in complete darkness, smoke, fog, or glare conditions where optical cameras alone would miss critical activity.
Fire and Smoke Detection
Onboard fire detection and smoking detection algorithms, combined with temperature exception alarms across -20°C to 150°C at ±8°C accuracy, enable early-stage hazard identification well before flames or visible smoke become obvious to other systems.
4MP Optical Imaging with 120 dB WDR
The optical module delivers 2688×1520 resolution with a 120 dB wide dynamic range, handling high-contrast scenes such as entry gates, loading bay doorways, and sun-facing facades without blowing out highlights or losing shadow detail.
Active Deterrence Alarms
A white light visual alarm reaching up to 30 m with adjustable flashing frequencies, combined with an audio alarm supporting 2 preset and 6 importable voice alerts, allows the camera to respond actively to both VCA and temperature exception triggers.
VCA with Human and Vehicle Classification
Up to 8 VCA rules covering line crossing, intrusion, region entrance, and region exiting are backed by human classification to 16 m and vehicle classification to 48 m, reducing nuisance triggers from animals or environmental movement.
Extreme Environment Resilience
IP67 weatherproofing, TVS 6000V lightning and surge protection, and a working temperature range of -40°C to 65°C ensure reliable outdoor operation in coastal, industrial, and high-altitude environments without additional enclosure accessories.
Best For
- Perimeter Fire Risk Zones: The thermal temperature exception alarm spanning -20°C to 150°C with fire detection makes this suited to sites near electrical switchrooms, chemical storage, or recycling yards where early heat detection is a safety requirement.
- Outdoor Areas with Poor Ambient Light: The thermal sensor detects heat signatures regardless of lighting, complementing the optical module’s 15 m IR range for complete coverage through darkness or heavy glare.
- Industrial Yard and Plant Entry Monitoring: VCA vehicle detection to 48 m and human detection to 16 m, combined with alarm outputs, suits access gates, hardstand areas, and perimeter fence lines at manufacturing and logistics facilities.
- Sites Requiring Active Alarm Response: The combination of white light visual alarms to 30 m and importable voice alerts supports sites where immediate on-site deterrence is required without deploying additional strobe or speaker hardware.
- Harsh Outdoor Installations: TVS 6000V surge protection and IP67 housing, rated to -40°C to 65°C, make this a practical choice for exposed coastal, mining, or rural sites where standard cameras require additional weatherproofing.
Why Choose the DS-2TD1228-2-QA
Where a standard optical camera can be defeated by darkness, dense smoke, or direct sunlight, the DS-2TD1228-2-QA adds a certified thermal layer that continues detecting heat-emitting targets under all those conditions. The 256×192 thermal sensor with NETD below 40 mK is backed by a 10-year detector guarantee, which is a specific commitment not found on general-purpose CCTV cameras. The onboard fire detection, smoking detection, and temperature measurement rules covering up to 21 configurable zones move this beyond surveillance into active hazard monitoring. Paired with a 4MP optical channel delivering 120 dB WDR, it provides both evidence-quality imagery and thermal alerting from a single IP67-rated turret body that accepts PoE power. Available at Security Wholesalers, the DS-2TD1228-2-QA is part of the Hikvision Heat Pro DeepInView series, designed for sites that need more than visibility and require verified thermal intelligence as part of their monitoring setup.
Buyer Decision Tips
Thermal Field of View vs. Optical Field of View: The thermal module covers 90.0° x 65.4° at a 2.1 mm focal length, while the optical module reaches 117.8° x 70.4° at 2.2 mm. Both are wide-angle fixed lenses suited to close-to-medium range coverage. If your scene requires detection beyond 16 m for humans or 48 m for vehicles, or needs a narrower thermal angle to concentrate on a specific zone, this fixed-lens model may not provide sufficient reach and a longer focal length thermal unit should be considered instead.
Temperature Measurement Accuracy: The DS-2TD1228-2-QA measures temperatures with an accuracy of ±8°C across its -20°C to 150°C range. This is suitable for fire prevention and temperature exception alerting, but it is not rated for precise clinical or process temperature monitoring where tighter tolerances are required. Confirm that ±8°C accuracy meets your site’s thermal alarm threshold requirements before specifying this unit for critical process monitoring roles.
Key Features & Technical Specifications
| Thermal Image Sensor |
Vanadium Oxide Uncooled Focal Plane Arrays (VOx UFPA) |
| Thermal Resolution |
256 x 192 |
| Pixel Pitch |
12 μm |
| Spectral Range |
8 μm to 14 μm |
| NETD |
< 40 mK (25°C, F1.1) |
| Thermal Focal Length / FOV |
2.1 mm / 90.0° x 65.4° (H x V) |
| Optical Image Sensor |
1/2.7″ Progressive Scan CMOS |
| Optical Resolution |
2688 x 1520 (4MP) |
| Optical Focal Length / FOV |
2.2 mm / 117.8° x 70.4° (H x V) |
| Wide Dynamic Range |
120 dB |
| IR Distance |
Up to 15 m (auto-adjusted intensity and angle) |
| White Light Alarm Range |
Up to 30 m, adjustable flashing frequencies |
| Temperature Measurement Range |
-20°C to 150°C (-4°F to 302°F), accuracy ±8°C |
| Smart Functions |
Fire detection, smoking detection, sun-reflection filter; VCA: line crossing, intrusion, region entrance, region exiting (up to 8 rules) |
| VCA Detection Range |
Humans: 16 m; Vehicles: 48 m |
| Video Compression |
H.265 / H.264 (main stream); H.265 / H.264 / MJPEG (sub-stream) |
| Local Storage |
MicroSD/SDHC/SDXC up to 256 GB; NAS (NFS, SMB/CIFS); ANR |
| Power Supply |
12 VDC ±25% or PoE (IEEE 802.3af, Class 3); max 6.5 W |
| Protection Rating |
IP67; TVS 6000V lightning, surge, and voltage transient protection |
| Working Temperature |
-40°C to 65°C; humidity 95% or below |
| Dimensions / Weight |
138.3 mm x 138.3 mm x 123.1 mm; 940 g |
Ideal Use Cases
Industrial and Manufacturing Perimeters
The wide-angle 90° thermal FOV and VCA vehicle detection to 48 m make this suitable for monitoring loading docks, yard entry gates, and plant perimeters where both heat hazard detection and intruder classification are required simultaneously.
Electrical and Switchroom Monitoring
Temperature exception alarms across 21 configurable measurement zones covering points, areas, and lines allow early detection of overheating electrical equipment, transformer bays, or UPS rooms before thermal runaway develops.
Waste and Recycling Facilities
Spontaneous combustion risk in waste stockpiles is addressed by the onboard fire detection algorithm and smoking detection capability, which trigger alarm outputs and voice alerts before visible flames emerge in a pile or bay.
Outdoor Night-Time Perimeter Security
Where lighting is absent or unreliable, the thermal sensor detects body heat regardless of ambient light levels, while the 15 m IR on the optical channel provides usable identification footage once an alarm is confirmed.
Remote and Off-Grid Sites
With a maximum PoE draw of 6.5 W, working temperatures down to -40°C, and onboard MicroSD storage up to 256 GB with ANR support, the DS-2TD1228-2-QA can operate independently of a continuous NVR or network connection at remote locations.
Choosing the Right Model
- Choose this model if: Your site requires simultaneous thermal hazard monitoring and 4MP optical recording from a single turret-form camera, particularly where fire detection, smoking detection, or temperature exception alarms are part of the brief and the wide-angle 90° thermal FOV suits the scene geometry.
- Choose a different model if: Your primary need is long-range thermal detection beyond 16 m for humans or you require tighter temperature accuracy than ±8°C for process or clinical monitoring. In those cases, a longer focal length thermal camera or a dedicated radiometric thermal unit with higher measurement precision would be more appropriate.
- Choose a different model if: Your site only requires standard optical surveillance without thermal capability. A conventional 4MP IP turret or bullet camera would deliver equivalent optical performance at a lower cost point where no thermal layer is needed.
FAQs
- What does the thermal module in the DS-2TD1228-2-QA actually detect?
The thermal sensor detects infrared radiation emitted by objects as heat, not reflected visible light. This means it can identify humans, vehicles, and heat anomalies in complete darkness, smoke-filled areas, and direct sun glare conditions where optical cameras produce unusable images. It does not produce colour or detailed facial imagery.
- Can this camera trigger an alarm automatically when it detects fire or smoke?
Yes. The DS-2TD1228-2-QA has onboard fire detection and smoking detection algorithms that can trigger alarm actions including relay output, SD recording, FTP upload, and email linkage. It also activates the built-in audio alarm and white light visual alarm, which can be configured to different flashing frequencies and voice alert options.
- How accurate is the temperature measurement and what range does it cover?
The camera measures temperatures from -20°C to 150°C with an accuracy of ±8°C. Up to 21 temperature measurement rules can be configured across point, area, and line zones within the scene. This accuracy level is suited to fire prevention and heat exception alerting, not precision process temperature control.
- Does the DS-2TD1228-2-QA require a specialised NVR or will it work with standard Hikvision NVRs?
The camera uses standard ONVIF Profile S and Profile G protocols alongside Hikvision ISAPI and SDK. It is compatible with iVMS-4200 and Hik-Connect. Thermal stream management and smart function configuration, however, are best handled through Hikvision NVRs or VMS platforms that support the full thermal metadata, as basic ONVIF connections may not expose all alarm and temperature rule settings.
- What is the turret housing like for outdoor mounting and does it need a separate junction box?
The turret body is rated IP67 and includes TVS 6000V surge protection, making it suitable for direct wall or ceiling mounting in exposed outdoor locations. A compatible junction box such as the Hikvision DS-1280ZJ-DM21 is available separately and provides a clean cable entry point, particularly useful on rendered or brick surfaces. A wall bracket is also available for angled mounting scenarios.
- What power options are available for the DS-2TD1228-2-QA?
The camera accepts PoE via IEEE 802.3af (Class 3) with a maximum draw of 6.5 W, or 12 VDC via a 5.5 mm plug with a maximum draw of 6 W. PoE is the preferred installation method as it simplifies single-cable deployment. Confirm your PoE switch or NVR port is rated to supply Class 3 power before installation. This camera is part of the Security Wholesalers range of Hikvision thermal products.
- What is the sun-reflection filter and when is it useful?
The sun-reflection filter is a processing feature that suppresses false temperature readings caused by direct solar reflection off metallic or reflective surfaces in the thermal image. Without it, reflected sunlight can register as a heat anomaly and generate nuisance alarms. Enabling this filter is recommended whenever the camera field of view includes sheet metal roofing, glass, water, or polished surfaces exposed to direct sun.
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