ZH-TPH23-3AQF/W Handheld Thermal Imaging Thermometer n Fixed-focus thermal imaging lens, 3.6 mm n Minimum focusing distance: 0.5 m n Resolution: 256 × 192 high-sensitivity detector n 3.5-inch touchscreen that can be used in sunlight n Supports maximum temperature, minimum temperature, and center positioning n Supports point, line, and box temperature measurement n Temperature measurement range: -20 °C~150 °C or 100 °C~550 °C n Temperature measurement accuracy: ±2 °C or ±2% of the reading (whichever is greater) n Supports 3D noise reduction function, digital zoom, false color adjustment, and contrast adjustment n Supports the fusion of thermal imaging and visible light n In conjunction with the app, it supports remote album access, download, and rapid report generation n Supports Weiying Thermal Vision APP, Analyzer, and UVC screen projection software Specification Parameters Sensor type: Uncooled detector Response band: 8~14 μm NETD (Noise Equivalent Temperature Difference): < 50 mk (@25 °C, F#=1.0) Maximum image size: 256 × 192 Focal length of thermal imaging lens: 3.6 mm Minimum imaging distance: 0.5 m ·Thermal Imaging Field of view: 50° × 37.2° Digital zoom: 1.0~8.0 continuous digital zoom Frame rate: 25 Hz F-number: F1.0 Minimum measurement distance: 0.5 m Temperature measurement range: -20 °C~550 °C Accuracy: ±2 °C or ±2%, whichever is greater Spatial resolution (IFOV): 3.33 mrad Focus mode: Fixed focus, non-adjustable Maximum image size: 3264 × 2448 (8 MP) ·Visible Light Picture resolution: 3264 × 2448 Video resolution: 1600 × 1200 Display: 3.5'' LCD capacitive touchscreen, 640 × 480 ·Image Display Image mode: Supports 7 false color modes including white hot, black hot, rainbow, iron red, red hot, fusion, and rain. It also supports two-stage false color functions such as high-temperature focusing. Picture display mode: Visible light, thermal imaging, dual-light fusion, picture-in-picture Bluetooth: Supported Laser indication: Supported Photography: Thermal imaging, visible light, dual-light fusion, picture-in-picture Video recording: Thermal imaging, visible light, dual-light fusion, picture-in-picture Lighting: Supported Text annotation: Supported ·System Functions Voice annotation: Supported (60 s) Interface language: Chinese WIFI: Supported Storage: 16 G (maximum support 128 G) Hardware interface: TYPE-C Battery type: Lithium-ion battery Battery working time: 6h, can be replaced on-site, rechargeable Operating temperature and humidity: -10 °C~50 °C, ≤95% ·System Parameters Protection level: IP54 Drop resistance level: 2 m Weight: 660 g Dimensions: 244 mm × 100 mm × 104 mm Accessories: Batteries (2), lanyard, charger, SD card, USB cable, desktop charger adapter, high-strength impact-resistant portable case