{"product_id":"hti-ht-203u-smartphone-thermal-camera","title":"HTI HT-203U Thermal Camera for Android, 256×192, -20 to 550°C, USB-C","description":"\u003cp\u003eThe HTI HT-203U is a plug-in thermal camera for Android phones. It has a 256×192 infrared sensor with 12 μm pixels and measures from -20°C to 550°C, which is a strong resolution and range for its size and price.\u003c\/p\u003e\u003ch3\u003eAt a glance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e256×192 sensor with 12 μm pixels\u003c\/li\u003e\n\u003cli\u003e-20°C to 550°C with ±2°C or ±2% accuracy\u003c\/li\u003e\n\u003cli\u003eCenter point plus hot and cold spot tracking\u003c\/li\u003e\n\u003cli\u003ePhotos and video (JPG and MP4)\u003c\/li\u003e\n\u003cli\u003eUSB-C, Android\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFull specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInfrared resolution:\u003c\/strong\u003e 256×192, 12 μm pixels\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpectral range:\u003c\/strong\u003e 8 to 14 μm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature range:\u003c\/strong\u003e -20°C to 550°C (-4°F to 1,022°F)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccuracy:\u003c\/strong\u003e ±2°C or ±2%\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMeasurement modes:\u003c\/strong\u003e center point, hot and cold spot tracking\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMeasuring distance:\u003c\/strong\u003e 0.3 m to 3 m\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCapture:\u003c\/strong\u003e photos and video (JPG and MP4)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnection:\u003c\/strong\u003e USB-C, Android\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat the specs mean in practice\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eResolution.\u003c\/strong\u003e 256×192 gives 49,152 thermal pixels, more than four times a 120×90 module. Small hot spots and edges are much clearer, which is the main reason to choose this over cheaper phone cameras.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWorking distance.\u003c\/strong\u003e The manufacturer specifies 0.3 m to 3 m for temperature measurement. It is tuned for close and mid-range work, such as panels, equipment and rooms.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTracking.\u003c\/strong\u003e Center-point readings plus automatic hot and cold spot tracking show you the extremes in a scene without hunting for them.\u003c\/p\u003e\u003ch3\u003eWhat you can use it for\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectrical fault finding:\u003c\/strong\u003e breakers, connections and equipment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeating checks:\u003c\/strong\u003e radiators, floor loops and pipes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectronics and small equipment:\u003c\/strong\u003e find hot components at close range.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDocumentation:\u003c\/strong\u003e save photos and video of what you find.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWho should look elsewhere\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eYou use an iPhone or iPad. See the \u003ca href=\"\/products\/mileseey-tr256i-iphone-thermal-camera\"\u003eMILESEEY TR256i\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003eYou need long-distance viewing. See the \u003ca href=\"\/products\/noyafa-nf-588e-smartphone-thermal-imager\"\u003eNOYAFA NF-588E\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003eYou want a camera with its own screen. See the \u003ca href=\"\/products\/mileseey-tr10-handheld-thermal-camera\"\u003eMILESEEY TR10\u003c\/a\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eHow it compares\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/thermal-master-p2-usb-c-thermal-camera\"\u003eThermal Master P2\u003c\/a\u003e: a 600°C range, ±1.5°C accuracy and under 40 mK sensitivity.\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"\/products\/uni-t-uti120-mobile-android-thermal-imager\"\u003eUNI-T UTi120 Mobile\u003c\/a\u003e: 120×90 with a wide 50° × 38° view at a lower price.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTips for better results\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eStay within about 0.3 m to 3 m for temperature readings.\u003c\/li\u003e\n\u003cli\u003eShiny bare metal reads cooler than it really is. Measure a patch of black electrical tape instead.\u003c\/li\u003e\n\u003cli\u003eGlass blocks thermal imaging, so you see the glass surface and not what is behind it.\u003c\/li\u003e\n\u003cli\u003eFor building checks, a difference of roughly 10°C (18°F) or more between inside and outside gives the clearest results.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eWhat is the best working distance?\u003c\/strong\u003e\u003cbr\u003eThe manufacturer specifies 0.3 m to 3 m for temperature measurement.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes it need charging?\u003c\/strong\u003e\u003cbr\u003eNo. It runs from the connected phone.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs 256×192 really better than 120×90?\u003c\/strong\u003e\u003cbr\u003eYes. It has more than four times as many thermal pixels, so small hot spots and edges are much clearer.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhich phones work?\u003c\/strong\u003e\u003cbr\u003eAndroid phones with a USB-C port that supports external camera accessories.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan it record video?\u003c\/strong\u003e\u003cbr\u003eYes. It captures photos (JPG) and video (MP4).\u003c\/p\u003e\u003ch3\u003eBest-fit applications\u003c\/h3\u003e\u003cp\u003eAndroid-based HVAC and electrical inspections. Check the native sensor resolution, lens and device compatibility to decide whether this model fits your intended working distance and target size.\u003c\/p\u003e\u003ch3\u003eBefore you buy\u003c\/h3\u003e\u003cp\u003eReview the specifications above and confirm compatibility with your equipment. Image enhancement is not the same as native infrared sensor resolution. Contact ThermalVisionPlus if you need help comparing models.\u003c\/p\u003e\u003ch3\u003eRelated thermal imaging guides\u003c\/h3\u003e\u003cp\u003eExplore our \u003ca href=\"\/blogs\/buyers-guides\/home-inspection-thermal-camera-guide\"\u003ehome inspection thermal camera guide\u003c\/a\u003e, \u003ca href=\"\/blogs\/buyers-guides\/thermal-camera-electrical-inspection-guide\"\u003eelectrical inspection guide\u003c\/a\u003e, and \u003ca href=\"\/blogs\/buyers-guides\/phone-vs-handheld-thermal-camera-guide\"\u003ethermal camera buying comparison\u003c\/a\u003e.\u003c\/p\u003e","brand":"HTI-XINTAI","offers":[{"title":"Default Title","offer_id":48274759614635,"sku":"THERM-047","price":272.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0804\/6244\/6763\/files\/s-l500.jpg?v=1792111912","url":"https:\/\/thermalvisionplus.com\/products\/hti-ht-203u-smartphone-thermal-camera","provider":"My Store 5","version":"1.0","type":"link"}