{"product_id":"dt500-infrared-thermometer-gun-non-contact-laser-12-1-adjustable-emissivity","title":"DT500 Infrared Thermometer Gun -50~550°C | 12:1 Laser, Adjustable Emissivity","description":"\n\u003cp\u003eMeet the \u003cstrong\u003eDT500 Non-Contact Infrared Thermometer Gun\u003c\/strong\u003e — a professional-grade handheld temperature measurement tool engineered for industrial technicians, HVAC professionals, automotive enthusiasts, and home users who demand speed, accuracy, and versatility. With an ultra-wide range of \u003cstrong\u003e-50°C to 550°C (-58°F to 1022°F)\u003c\/strong\u003e, a \u003cstrong\u003e12:1 Distance-to-Spot ratio\u003c\/strong\u003e, and fully \u003cstrong\u003eadjustable emissivity\u003c\/strong\u003e, the DT500 delivers reliable readings across virtually any surface or application — safely, from a distance, in under a second.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eMade in Mainland China.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e This thermometer is designed for surface and object temperature measurement only. It is \u003cstrong\u003enot\u003c\/strong\u003e intended for measuring human or animal body temperature and is not a medical device.\u003c\/p\u003e\n\n\u003ch2\u003eWhy the DT500 Stands Out\u003c\/h2\u003e\n\n\u003ch3\u003e✅ Adjustable Emissivity for Accurate Readings on Any Surface\u003c\/h3\u003e\n\u003cp\u003eStandard infrared thermometers struggle with shiny, metallic, or reflective surfaces like copper, aluminum, and chrome — producing skewed readings due to incorrect emissivity assumptions. The DT500 solves this with a fully \u003cstrong\u003eadjustable emissivity range of 0.10 to 0.99\u003c\/strong\u003e, letting you calibrate the sensor to match the exact material you're measuring. No more guesswork. No more inaccurate readings on tricky surfaces.\u003c\/p\u003e\n\n\u003ch3\u003e✅ 12:1 Distance-to-Spot Ratio — Measure Safely from a Distance\u003c\/h3\u003e\n\u003cp\u003eOrdinary thermometers force you dangerously close to hot pipes, live electrical panels, or moving machinery. With the DT500's \u003cstrong\u003e12:1 D:S ratio\u003c\/strong\u003e, you can stand \u003cstrong\u003e48 cm away\u003c\/strong\u003e and still capture a precise spot just \u003cstrong\u003e4 cm in diameter\u003c\/strong\u003e. Safely measure rotating equipment, high-voltage panels, exhaust systems, and scorching surfaces without risk — with pinpoint accuracy every time.\u003c\/p\u003e\n\n\u003ch3\u003e✅ Backlit LCD — Crystal-Clear Readings in Any Light\u003c\/h3\u003e\n\u003cp\u003eWorking in a dimly lit engine bay, a dark basement, or a shadowed crawl space? The DT500's \u003cstrong\u003elarge backlit LCD display\u003c\/strong\u003e illuminates at the touch of a button, giving you a crisp, easy-to-read measurement in total darkness or bright glare. Fewer errors. Faster workflows. More confidence.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features at a Glance\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Temperature Range:\u003c\/strong\u003e -50°C to 550°C (-58°F to 1022°F) — covers frozen goods, ambient environments, and extreme industrial heat\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUltra-Fast Detection:\u003c\/strong\u003e Readings in ≤0.8 seconds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh Accuracy:\u003c\/strong\u003e ±2°C or ±2% — reliable for professional applications\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLaser Targeting:\u003c\/strong\u003e Pinpoints the exact measurement area; toggle on\/off as needed\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual °C\/°F Display:\u003c\/strong\u003e Short-press Mode button to switch units instantly\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOne-Button Operation:\u003c\/strong\u003e Pull the trigger for a single reading; hold for continuous measurement (interval ≥1 second)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eData Hold:\u003c\/strong\u003e Reading stays locked on screen after releasing the trigger for easy logging\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSCAN \/ HOLD Indicators:\u003c\/strong\u003e On-screen icons show measurement status at a glance\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAuto Power Off:\u003c\/strong\u003e Shuts down after ~10 seconds of inactivity to conserve battery life\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLow Battery Alert:\u003c\/strong\u003e Visual warning so you're never caught off guard\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDisplay Resolution:\u003c\/strong\u003e 0.1°C \/ 0.1°F\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower:\u003c\/strong\u003e 2 × AAA batteries (not included)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCertifications:\u003c\/strong\u003e CE, RoHS, UL, FCC\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDT-500\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-50°C to 550°C \/ -58°F to 1022°F\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAccuracy\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e±2°C or ±2%\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDistance-to-Spot Ratio\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12:1\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEmissivity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAdjustable: 0.10 – 0.99\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eResponse Time\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e≤0.8 seconds\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDisplay Resolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.1°C \/ 0.1°F\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDisplay\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDigital LCD with backlight\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Source\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2 × AAA batteries (not included)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Environment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10°C – 40°C\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStorage Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-10°C – 40°C\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCertifications\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCE, RoHS, UL, FCC\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStyle\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHandheld Gun\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eWhere to Use the DT500\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHVAC \/ Heating \u0026amp; Cooling:\u003c\/strong\u003e Inspect air vents, ducts, radiators, and AC systems for temperature imbalances and efficiency issues\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAutomotive Diagnostics:\u003c\/strong\u003e Check engine temperatures, exhaust systems, brakes, tires, and cooling components\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eElectrical Inspections:\u003c\/strong\u003e Detect overheating hot spots on circuit breakers, panels, and wiring — without making contact\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eKitchen \u0026amp; Food Safety:\u003c\/strong\u003e Measure surface temperatures of griddles, ovens, fryers, and food storage areas\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHome Maintenance:\u003c\/strong\u003e Check room temperatures, windows, insulation, refrigerators, and more\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGreenhouse \u0026amp; Agriculture:\u003c\/strong\u003e Monitor soil and plant surface temperatures for optimal growing conditions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow to Set Emissivity\u003c\/h2\u003e\n\u003cp\u003eLong-press the \u003cstrong\u003eMode\u003c\/strong\u003e button to enter the 2-digit emissivity setting screen (0.10–0.99). Use button ② to decrease the digit and button ③ to increase it. Press Mode again to confirm each digit. This lets you match the sensor to the exact surface material you're measuring for the most accurate result.\u003c\/p\u003e\n\n\u003ch2\u003eMeasurement Tips for Best Results\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eEnsure the laser spot falls \u003cstrong\u003eentirely on the target surface\u003c\/strong\u003e — the reading comes from the full spot area, not just the laser's center point.\u003c\/li\u003e\n  \u003cli\u003eWhen measuring boiling liquids (water, oil, etc.), hold the thermometer at a \u003cstrong\u003e45°–60° angle\u003c\/strong\u003e to the surface to prevent steam or moisture from settling on the sensor.\u003c\/li\u003e\n  \u003cli\u003eAvoid pointing the sensor straight down into rising steam or smoke for best accuracy.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhat's in the Box\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × DT500 Infrared Thermometer Main Unit\u003c\/li\u003e\n  \u003cli\u003e1 × User Manual\u003c\/li\u003e\n  \u003cli\u003e\u003cem\u003eNote: 2 × AAA batteries required but not included.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor more information on safe use of laser-equipped measurement tools, refer to guidance from the U.S. Consumer Product Safety Commission (CPSC). For general electrical safety best practices, visit \u003ca href=\"https:\/\/www.osha.gov\/electrical\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eOSHA's Electrical Safety resource\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\n\u003ch4\u003eQ: What is the temperature range of the DT500 infrared thermometer gun?\u003c\/h4\u003e\n\u003cp\u003eA: The DT500 measures from \u003cstrong\u003e-50°C to 550°C (-58°F to 1022°F)\u003c\/strong\u003e, making it suitable for a wide variety of applications — from measuring frozen storage areas to inspecting high-heat industrial equipment, HVAC systems, automotive components, and kitchen surfaces.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What does the 12:1 Distance-to-Spot ratio mean, and why does it matter?\u003c\/h4\u003e\n\u003cp\u003eA: The 12:1 D:S ratio means that for every 12 cm of distance between the thermometer and the target, the measurement spot is 1 cm in diameter. So at 48 cm away, you capture a precise 4 cm spot. This allows you to safely measure small targets on hot, moving, or electrically live surfaces from a safe distance — without needing to get dangerously close.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can I use the DT500 to measure body temperature or check for fever?\u003c\/h4\u003e\n\u003cp\u003eA: No. The DT500 is an industrial\/household infrared thermometer designed for surface and object temperature measurement only. It is \u003cstrong\u003enot\u003c\/strong\u003e a medical device and is \u003cstrong\u003enot suitable\u003c\/strong\u003e for measuring human or animal body temperature. Do not use it as a fever screening tool.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Why would I need to adjust the emissivity setting?\u003c\/h4\u003e\n\u003cp\u003eA: Different materials emit infrared energy at different rates. Shiny or reflective surfaces like polished metal, copper, or aluminum have low emissivity and can produce inaccurate readings if the thermometer assumes a fixed emissivity value. The DT500's adjustable emissivity (0.10–0.99) lets you dial in the correct value for the material you're measuring, ensuring precise and reliable results on virtually any surface.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Does the DT500 come with batteries?\u003c\/h4\u003e\n\u003cp\u003eA: No, batteries are not included. The DT500 requires \u003cstrong\u003e2 × AAA batteries\u003c\/strong\u003e, which you will need to purchase separately. The unit features a low battery indicator to let you know when it's time to replace them.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is the temperature range of the DT500 infrared thermometer gun?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The DT500 measures from -50°C to 550°C (-58°F to 1022°F), making it suitable for a wide variety of applications — from measuring frozen storage areas to inspecting high-heat industrial equipment, HVAC systems, automotive components, and kitchen surfaces.\"}}, {\"@type\": \"Question\", \"name\": \"What does the 12:1 Distance-to-Spot ratio mean, and why does it matter?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The 12:1 D:S ratio means that for every 12 cm of distance between the thermometer and the target, the measurement spot is 1 cm in diameter. 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