Factory-direct OEM/ODM long-distance radiometric cameras configured for industrial non-contact inspection, electrical diagnostics, and high-resolution thermography.
An authoritative analysis of optical calibration, spatial resolution (IFOV), thermal-distance fusion algorithms, and commercial pricing models for B2B procurement engineered by Dianyang Technology.
In modern industrial diagnostics, electrical grid maintenance, and civil infrastructure evaluation, the accurate measurement of thermal radiation over distance represents a critical technological nexus. As long-wave infrared (LWIR) uncooled focal plane array (FPA) technology advances, the requirement for distance-aware radiometric calibration has transitioned from an auxiliary feature into a fundamental engineering metric. High-resolution thermal cameras—such as the flagship DP-25DR and DP-64D series—utilize advanced focal optical systems integrated with embedded laser rangefinders to resolve real-time thermal gradients with spatial accuracy across distances ranging from micro-meters up to tens of meters.
Core Technical Insights: Standard thermal imagers experience significant temperature attenuation and radiometric drift beyond 5 meters due to atmospheric transmittance variations ($\tau$), background reflections, and spot-size degradation (Distance-to-Spot Ratio, D:S). Dianyang Technology’s custom radiometric distance architecture compensates for these optical losses dynamically, guaranteeing measurement precision up to ±2°C or ±2% across extended operational radii.
Understanding the total cost of ownership (TCO), customized micro-bolometer architecture, and factory export channels is essential for enterprise buyers, system integrators, and OEM brand owners. This document outlines the physical principles governing distance thermography, presents direct factory pricelists, detailing how Shenzhen Dianyang Technology Co., Ltd.—leveraging the publicly listed backing of VHD (Shenzhen Stock Exchange)—delivers tier-one radiometric instruments with global compliance (CE, FCC, RoHS, REACH, UKCA, KC, PSE).
Rigorous physics driving non-contact infrared temperature measurement across variable distances.
The spatial resolution of a micro-bolometer pixel is defined by its IFOV (mrad). At distance $d$, the target spot diameter $S$ is calculated via $S = 2 \cdot d \cdot \tan(\text{IFOV}/2)$. Achieving an optimal 3×3 pixel measurement box requires an engineered Distance-to-Spot ratio (D:S) exceeding 300:1, preventing measurement averaging with background ambient thermal noise.
Atmospheric absorption in the 8–14 μm waveband varies according to ambient humidity ($H$), temperature ($T_{atm}$), and distance ($d$). Our onboard algorithms compute $\tau_{atm} = \exp(-\alpha \cdot d)$ real-time, executing adaptive radiometric matrix shifts to output absolute surface temperature readings regardless of fog or humidity fluctuations.
Noise Equivalent Temperature Difference (NETD) defines sensor sensitivity. Dianyang’s VHD-backed sensors achieve NETD < 40mK (at 25°C, f/1.0), capturing micro-Kelvin thermal variances. At extended distances up to 40 meters, low NETD guarantees clear target separation from background infrared clutter.
Transparent wholesale unit pricing tiered by detector resolution, rangefinder integration, and custom branding requirements.
| Model / Series | IR Detector Resolution | Distance Capability | Core Features | MOQ (Units) | FOB Unit Price (USD) |
|---|---|---|---|---|---|
| DP-09D Series | 96 × 96 Pixel Focal Plane | 0.5m – 5m Non-contact | Compact handheld, -20℃ to 550℃, entry maintenance | 10 Units | $35.00 – $55.00 |
| DP-12D / DP-12DV | 120 × 90 Uncooled FPA | 0.5m – 15m Range Sync | Dual-light optical overlay, high-frame thermal streaming | 5 Units | $75.00 – $115.00 |
| H1FB Mobile Series | 160 × 120 Micro-Module | 0.2m – 10m Diagnostic | Smartphone Type-C connection, ultra-low power consumption | 10 Units | $65.00 – $95.00 |
| DP-25D / DP-25DR | 256 × 192 High Resolution | Up to 40m Distance Measurement | Integrated laser rangefinder, dual-vision fusion, SDK support | 2 Units | $160.00 – $240.00 |
| DP-64D Professional | Custom 256×192 / 384×288 Options | 50m Long-Range Precision | Ruggedized IP65 housing, thermal video radiometric recording | 1 Unit | $280.00 – $450.00 |
Note on Custom Engineering: Volume discount pricing is applicable for batch ODM projects exceeding 100 units. Enterprise customization options include custom firmware compilation, private label chassis molding, optical lens replacement (6.2mm / 9mm / 13mm focal lengths), and custom Android/iOS/Windows software development kits (SDKs).
Precision OEM/ODM thermal imaging engineering backed by publicly listed infrastructure and international quality standards.
Shenzhen Dianyang Technology Co., Ltd. is a specialized high-tech enterprise dedicated to the R&D, manufacturing, and global export of advanced infrared thermal imaging systems. As an integrated subsidiary of VHD (Shenzhen VHD Technology Co., Ltd.)—a publicly listed entity on the Shenzhen Stock Exchange—Dianyang operates with unprecedented institutional reliability and capital stability.
Our direct access to VHD’s state-of-the-art optical laboratory platforms, high-precision automated SMT production lines, and rigorous quality control protocols ensures every handheld imager, smartphone attachment, and distance camera delivers robust operational life cycles.
Our internal engineering teams rigorously execute Design for Manufacturing (DFM), Design for Testability (DFT), thermal fluidic simulations, and EMC pre-compliance testing. This systematic approach allows our global partners to rapidly scale high-performance thermal products while seamlessly securing compliance certifications across all major international jurisdictions.







Adapting thermal distance measurement tools to harsh industrial, environmental, and geographic environments worldwide.
In high-voltage substations, technicians must inspect transformers and busbars from safe standoff distances. Dianyang's DP-25DR provides 40-meter calibrated distance alignment, preventing flashover risks while pinpointing micro-ohm resistance heat anomalies on high-voltage lines.
Detecting insulation voids, cold thermal bridges, and hidden moisture ingress under extreme negative temperature gradients (-20°C ambient). The DP-12DV series offers dual-light spatial blending, allowing inspectors to map thermal leaks onto visual blueprints instantly.
High-density battery pack testing during fast-charging thermal stress cycles. Engineers use compact smartphone-connected modules (H1FB series) and bench top analyzers for non-destructive, real-time thermal runaway prevention at microscopic spatial distances.
Continuous thermal scanning of steam pipes, flare stacks, and refinery valves operating in ambient temperatures exceeding 45°C. Factory-sealed IP65 housings resist dust storms and aggressive humidity while maintaining optical calibration integrity.
Long-range human and animal detection across unilluminated terrain. Custom thermal optical assemblies integrated into portable monoculars and telescopes provide long-distance target recognition beyond 500 meters in zero-light environments.
PCB heat distribution analysis down to 50-micron component scales. Custom close-up macro lens configurations allow electronics developers to trace short circuits, thermal bottlenecks, and IC chip power dissipation live.
Why leading global instrument brands partner with Dianyang Technology for competitive edge and rapid time-to-market.
Situated in Shenzhen's hardware technology cluster, Dianyang leverages an end-to-end supply ecosystem. From raw germanium (Ge) and chalcogenide lens grinding to SMT board assembly and sensor wafer wire bonding, integrated component access drops production lead times by up to 60% compared to Western manufacturers.
By leveraging VHD’s consolidated purchasing power and high-speed automated robotic assembly lines, Dianyang minimizes manufacturing overheads. This structural efficiency allows us to deliver high-resolution (256x192) radiometric distance cameras at unit cost thresholds previously restricted to entry-level low-resolution devices.
Pioneering advancements in edge AI, sensor fusion, and high-pitch microbolometers.
Integrating 0.5 TOPS NPU micro-controllers directly onto the thermal camera circuit board. Future iterations will automatically classify fault signatures (e.g., phase imbalance, bearing friction failure) on-device without cloud connectivity.
Moving from standard 12μm microbolometer arrays to sub-micron 7μm wafer technology. This reduction doubles pixel density on equivalent focal planes, extending target detection distance while reducing optical lens package size.
Simultaneous streaming of LWIR (Thermal), Visible Optical (4K), and ToF (Time-of-Flight 3D LiDAR Distance) sensors onto unified real-time spatial renders for autonomous drone and robotic inspection payloads.
Technical and commercial clarity regarding long-range thermal camera ordering, custom integration, and export compliance.
Explore our extended catalog of high-precision handheld thermal imagers, smartphone optical attachments, and compact diagnostic sensors.
Worldwide service coverage, hardware warranties, and optical re-calibration guarantees.
Partnered local RMA service centers across Europe, North America, and Southeast Asia ensure rapid turnaround times for hardware repair, optical calibration verification, and replacement units.
All Dianyang OEM thermal cameras include a standard 2-year factory hardware warranty covering microbolometer detector integrity, lens assembly, and core circuit architecture.
Free lifetime firmware updates for thermal analysis software suites, including continuous radiometry matrix improvements and new OS compatibility patches (Android/iOS/Windows).