The KDRS638E handheld infrared thermal imager is a high-performance infrared temperature measurement device designed for professional engineers and researchers. It integrates high-resolution thermal imaging, visible light fusion, intelligent analysis, and multi terminal interconnection, and is widely used in high demand application scenarios such as power inspection, industrial automation, building inspection, HVAC, and pipeline system maintenance.

Core performance advantages
High resolution infrared core: equipped with a 640 × 512 native infrared detector with a pixel size of 12 μ m, providing a high-definition thermal image of 320000 pixels. Combined with excellent thermal sensitivity of<25 mK, it can clearly distinguish subtle temperature differences of 0.025 ℃.
Dual light fusion imaging: Equipped with a 13 megapixel visible light camera, it supports five image modes: infrared/visible light/picture in picture/dual light fusion/detail enhancement, supplemented by 19 pseudo color tones to meet the visualization needs of different detection scenarios.
Accurate temperature measurement capability: The temperature measurement accuracy reaches ± 2 ℃, the temperature measurement range is wide, and it supports multiple temperature measurement methods such as point, line, and area. It automatically tracks the highest temperature, lowest temperature, and average temperature within the area, achieving rapid positioning of the fault point.
High frame rate smooth imaging: The 25 Hz high frame rate ensures smooth and delicate thermal video during motion detection or device operation, without missing any key details.
Intelligent interaction and data interconnection
Multi terminal collaborative analysis: Real time transmission of images/videos containing full frame temperature data to professional analysis software on PC or mobile apps through various methods such as USB, Wi Fi, Bluetooth, 4G/5G, etc., supporting cloud storage, multi terminal sharing, and one click generation of detection reports.
Intelligent alarm and timed recording: supports whole frame high and low temperature threshold alarm, early warning of potential faults; Built in timed photography function, which can continuously record the temperature rise process and assist in equipment status assessment and scientific research analysis.
Efficient human-computer interaction: Based on the Android operating system, the operation is intuitive and smooth; Equipped with a 5.5-inch OLED high-definition touch screen, the image details are clear and visible; Supports 10x digital zoom, making remote detection easier.
Flexible adaptation to multi scenario applications
Multiple lens options: Comes standard with a 25 ° standard lens, and can be equipped with wide-angle, telephoto, telephoto, and macro lenses to flexibly meet the needs of long-distance, narrow space, or large-scale detection.
Laser assisted positioning: Built in laser ranging and indication module, quickly determines target distance, improves temperature measurement accuracy and operational efficiency.
Typical application scenarios
Power system: detect overheating hazards such as transformers, switchgear, and cable joints to prevent electrical fires.
Industrial automation: Monitor the operating temperature of equipment such as motors, bearings, and conveyor belts to achieve predictive maintenance.
Building inspection: Identify wall hollowing, leakage, insulation layer defects, and thermal bridging phenomena.
HVAC and piping: Identify issues such as pipe blockages, insulation failures, and valve leaks.
Research and Teaching: Used for high-precision temperature measurement needs such as thermodynamic experiments, material research, and equipment performance evaluation.

Easy to use and reliable overall performance
Your efficient thermal imaging assistant
Rich lenses and fast focusing
The standard lens has a 25 ° angle and supports optional wide-angle, telephoto, and telephoto lenses. It also supports macro lenses for flexible adaptation to multiple scenes.
Laser pointer module, which can measure distance and quickly locate observation targets,
The built-in laser indicator quickly calculates the target distance to help you quickly locate and observe the target for accurate temperature measurement.

High definition heat map displayed on a 5-inch OLED high-definition touch screen
After obtaining high-resolution infrared thermal images, you can view more temperature details of each image on the 5-inch OLED high-definition large-size touch screen.

Function upgrade to improve efficiency
Android operating system, more convenient operation, supports intelligent image stabilization, and temperature measurement images are more stable.

Thermal imaging parameters
Detector type: uncooled vanadium oxide
Detector resolution: 480 * 360
Super resolution: 960 × 720
Infrared response band: 7.5-14 μ m
Pixel size: 12 μ m
Thermal sensitivity: ＜ 35mK
IFOV (spatial resolution): standard lens: 0.92mrad; Ultra long focal length lens: 0.27mrad; Telephoto lens: 0.52mrad; Wide angle lens: 1.71mrad; Macro lens: one pixel corresponds to 60 μ m; Ultra macro lens: one pixel corresponds to 30 μ m
Frame rate: 25Hz
Focal length: standard lens: 17.7mm; optional lens (ultra long focus lens: 60.9mm; telephoto lens: 31.5mm; wide-angle lens: 9.5mm; macro lens (0.2 ×): 13mm; ultra macro lens (0.4 ×): 14.8mm)
Field of view: Standard lens: 25 °× 20 °; Optional lenses (telephoto lens: 7 °× 5.6 °; telephoto lens: 14 °× 11.2 °; wide-angle lens: 45 °× 36 °)
Focusing modes: manual focusing, electric fine-tuning, one key center focusing, automatic center focusing, one touch automatic focusing, laser assisted focusing
Temperature measurement range: -20 ℃~+150 ℃, 100 ℃~650 ℃; Optional: 400 ℃~1500 ℃
Temperature measurement accuracy: ± 2 ℃ or ± 2%