{"title":"Hot-Wire Anemometers","description":"\u003ch2\u003eHigh Precision Hot-Wire Anemometers in Sri Lanka\u003c\/h2\u003e\n\u003ch3\u003eAccurate Airflow Measurement for HVAC, Labs, and Technical Applications\u003c\/h3\u003e\n\n\u003cp\u003eMeasure low air velocity with confidence using our range of \u003cstrong\u003ehot wire anemometers\u003c\/strong\u003e built for precise airflow testing in HVAC systems, cleanrooms, laboratories, and industrial environments. A quality \u003cstrong\u003ethermal anemometer\u003c\/strong\u003e is ideal for checking duct performance, ventilation balance, and air movement where sensitivity and accuracy matter most.\u003c\/p\u003e\n\n\u003cp\u003eOur collection includes compact and professional \u003cstrong\u003edigital hot wire anemometer\u003c\/strong\u003e models with responsive \u003cstrong\u003ehot wire anemometer sensor\u003c\/strong\u003e and probe designs for detailed air measurements. Whether you need a \u003cstrong\u003ehandheld hot wire anemometer\u003c\/strong\u003e for field work, a \u003cstrong\u003ehot wire air velocity meter\u003c\/strong\u003e for duct inspections, or a versatile meter that reads both airflow and temperature, we offer dependable solutions for technical users in Sri Lanka.\u003c\/p\u003e\n\n\u003ch3\u003eCore Advantages\u003c\/h3\u003e\n\u003cdl class=\"feature-list\"\u003e\n    \u003cdt\u003eHigh-Sensitivity Airflow Detection\u003c\/dt\u003e\n    \u003cdd\u003eDesigned for accurate low-flow measurement, each \u003cstrong\u003ehot wire air flow meter\u003c\/strong\u003e helps detect small changes in air speed that standard vane meters may miss.\u003c\/dd\u003e\n\n    \u003cdt\u003eProbe-Based Precision\u003c\/dt\u003e\n    \u003cdd\u003eWith a slim \u003cstrong\u003ehot wire probe\u003c\/strong\u003e and responsive \u003cstrong\u003ehot wire velocity probe\u003c\/strong\u003e design, these meters are ideal for ducts, vents, diffusers, and other hard-to-reach testing points.\u003c\/dd\u003e\n\n    \u003cdt\u003eAirflow and Temperature Measurement\u003c\/dt\u003e\n    \u003cdd\u003eSelected models combine air velocity and temperature functions, making them a practical choice for users looking for a \u003cstrong\u003ehot wire thermo anemometer\u003c\/strong\u003e for complete environmental testing.\u003c\/dd\u003e\n\u003c\/dl\u003e","products":[{"product_id":"uni-t-ut362h-hot-wire-anemometer-wind-speed-volume-tester","title":"UNI-T UT362H Hot-Wire Thermal Anemometer","description":"\u003ch2\u003eUNI-T UT362H Hot-Wire Anemometer | Thermal Air Flow Meter\u003c\/h2\u003e\n\u003ch3\u003eHigh-Precision Tool for HVAC \u0026amp; Air Velocity Analysis in Sri Lanka\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eUNI-T UT362H\u003c\/strong\u003e is a professional-grade \u003cstrong\u003ehot-wire thermal anemometer\u003c\/strong\u003e engineered for high-accuracy air velocity, air volume, and temperature measurement. Equipped with a sensitive, extendable probe, this \u003cstrong\u003ethermal air flow meter\u003c\/strong\u003e excels at measuring low wind speeds and performing detailed analysis in hard-to-reach areas. It is the definitive tool for HVAC technicians, industrial engineers, and air balancing professionals in Sri Lanka who require precise data for system commissioning, diagnostics, and environmental monitoring.\u003c\/p\u003e\n\n\u003cp\u003eLooking for best deals? Discover our full range of \u003ca href=\"\/collections\/anemometer\"\u003eHot-Wire Thermal Anemometers Collection\u003c\/a\u003e – wireless thermal probes, data logging \u0026amp; high-end specifications at unbeatable rates!\u003c\/p\u003e\n\n\u003cp\u003eThis advanced \u003cstrong\u003ehot-wire anemometer\u003c\/strong\u003e combines sophisticated measurement capabilities with user-centric features. Its ability to calculate volumetric air flow (CFM\/CMM) and log extensive data with USB connectivity makes it an indispensable instrument. Whether you're conducting a duct traverse analysis, testing fume hoods, or verifying cleanroom performance, the UT362H delivers the reliable, detailed insights you need to ensure efficiency and safety.\u003c\/p\u003e\n\u003ch3\u003eKey Features of this Hot-Wire Anemometer\u003c\/h3\u003e\n\u003cdl class=\"feature-list\"\u003e\n\u003cdt\u003eHigh-Sensitivity Hot-Wire Sensor\u003c\/dt\u003e\n\u003cdd\u003eThe thermal sensor provides rapid, precise readings, making it exceptionally effective for measuring low and variable \u003cstrong\u003eair velocity\u003c\/strong\u003e, which is critical for HVAC balancing and industrial hygiene applications.\u003c\/dd\u003e\n\u003cdt\u003eTelescopic Extendable Probe\u003c\/dt\u003e\n\u003cdd\u003eThe slim, telescopic probe extends for easy access to air ducts, vents, grilles, and other confined spaces, allowing for accurate measurements without compromising safety or convenience.\u003c\/dd\u003e\n\u003cdt\u003eVolumetric Air Flow Measurement (CFM\/CMM)\u003c\/dt\u003e\n\u003cdd\u003eCalculates total \u003cstrong\u003eair volume\u003c\/strong\u003e in either CFM (Cubic Feet per Minute) or CMM (Cubic Meters per Minute) based on user-inputted duct dimensions, simplifying system performance analysis.\u003c\/dd\u003e\n\u003cdt\u003eLarge Data Storage \u0026amp; USB Connectivity\u003c\/dt\u003e\n\u003cdd\u003eFeatures internal memory to store up to 999 data sets. The integrated USB interface allows for easy data transfer to a PC for further analysis and reporting using the included software.\u003c\/dd\u003e\n\u003cdt\u003eMulti-Function Measurement Modes\u003c\/dt\u003e\n\u003cdd\u003eSimultaneously measures \u003cstrong\u003eair velocity\u003c\/strong\u003e and \u003cstrong\u003eair temperature\u003c\/strong\u003e. Advanced functions include MAX\/MIN\/AVG readings, data hold, and a large, backlit LCD for clear visibility in any lighting condition.\u003c\/dd\u003e\n\u003cdt\u003eRobust and Portable for Fieldwork\u003c\/dt\u003e\n\u003cdd\u003eDesigned for professional use, this \u003cstrong\u003eportable anemometer\u003c\/strong\u003e comes in a durable hard carrying case, ensuring the instrument and its accessories are protected during transport and on-site use.\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003ch3\u003eCommon Applications\u003c\/h3\u003e\n\u003cp\u003eThis professional \u003cstrong\u003eair flow meter\u003c\/strong\u003e is essential for:\u003c\/p\u003e\n\u003cdl class=\"feature-list\"\u003e\n\u003cdt\u003eHVAC System Testing \u0026amp; Air Balancing\u003c\/dt\u003e\n\u003cdd\u003ePerform precise duct traversing, check diffuser and grille velocities, and balance ventilation systems to ensure they meet design specifications and operate efficiently.\u003c\/dd\u003e\n\u003cdt\u003eIndustrial Hygiene \u0026amp; Cleanroom Verification\u003c\/dt\u003e\n\u003cdd\u003eVerify airflow in sensitive environments like laboratories, cleanrooms, and manufacturing facilities to ensure safety standards and process integrity are maintained.\u003c\/dd\u003e\n\u003cdt\u003eBuilding Commissioning \u0026amp; Energy Audits\u003c\/dt\u003e\n\u003cdd\u003eAssess the performance of ventilation and exhaust systems in new and existing buildings to identify inefficiencies and ensure optimal indoor air quality.\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003ch3\u003eTechnical Specifications for the Air Flow Meter\u003c\/h3\u003e\n\u003cdl class=\"feature-list\"\u003e\n\u003cdt\u003eProduct Name\u003c\/dt\u003e\n\u003cdd\u003eUNI-T UT362H Hot-Wire Thermal Anemometer\u003c\/dd\u003e\n\u003cdt\u003eWind Speed Range\u003c\/dt\u003e\n\u003cdd\u003e0.0 ~ 30m\/s\u003c\/dd\u003e\n\u003cdt\u003eAir Temperature Range\u003c\/dt\u003e\n\u003cdd\u003e-10°C ~ 60°C (14°F ~ 140°F)\u003c\/dd\u003e\n\u003cdt\u003eAir Volume (CFM\/CMM)\u003c\/dt\u003e\n\u003cdd\u003e0 ~ 99990\u003c\/dd\u003e\n\u003cdt\u003eData Storage\u003c\/dt\u003e\n\u003cdd\u003eUp to 999 readings\u003c\/dd\u003e\n\u003cdt\u003eInterface\u003c\/dt\u003e\n\u003cdd\u003eUSB for PC data transfer\u003c\/dd\u003e\n\u003cdt\u003ePower Source\u003c\/dt\u003e\n\u003cdd\u003e1 x 9V Battery (6F22)\u003c\/dd\u003e\n\u003cdt\u003eProbe\u003c\/dt\u003e\n\u003cdd\u003eTelescopic, extendable hot-wire sensor\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003ch3\u003eWhat's in the Box?\u003c\/h3\u003e\n\u003cdl class=\"package-list\"\u003e\n\u003cdd\u003e1 x UNI-T UT362H Anemometer Main Unit\u003c\/dd\u003e\n\u003cdd\u003e1 x Hot-Wire Probe\u003c\/dd\u003e\n\u003cdd\u003e1 x USB Interface Cable\u003c\/dd\u003e\n\u003cdd\u003e1 x PC Software CD\u003c\/dd\u003e\n\u003cdd\u003e1 x 9V Battery\u003c\/dd\u003e\n\u003cdd\u003e1 x Hard Carrying Case\u003c\/dd\u003e\n\u003cdd\u003e1 x English User Manual\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003ch3\u003eDownloads\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0679\/7587\/2725\/files\/uni_t_ut362h_data_sheet.pdf\" class=\"download-link\" target=\"_blank\"\u003e📄 Download UNI-T UT362H Data Sheet \u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0679\/7587\/2725\/files\/uni_t_ut362h_user_manual.pdf\" class=\"download-link\" target=\"_blank\"\u003e📄 Download UNI-T UT362H User Manual \u003c\/a\u003e\u003c\/p\u003e\n\u003cdiv class=\"product-vendor\"\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e \u003ca href=\"\/collections\/vendors?q=UNI-T\"\u003eUNI-T\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"variant-inventory\"\u003e\u003cspan class=\"in-stock-status\"\u003eIn stock! Available for delivery in Sri Lanka.\u003c\/span\u003e\u003c\/div\u003e","brand":"UNI-T","offers":[{"title":"Default Title","offer_id":50867703513301,"sku":"","price":79500.0,"currency_code":"LKR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/7587\/2725\/files\/uni-t-ut362h-hot-wire-anemometer-air-velocity-reading.png?v=1761630747"},{"product_id":"testo-405i-handheld-hot-wire-anemometer-probe-smart-app-wireless-link-thermal-anemometer","title":"TESTO 405i Hot-Wire Thermal Anemometer Data Logger","description":"\u003ch2\u003eTESTO 405i Hot-Wire Thermal Anemometer | Smart Probe Data Logger\u003c\/h2\u003e\n\u003ch3\u003eThe Ultimate Smart Probe for HVAC Air Flow Analysis in Sri Lanka\u003c\/h3\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eTESTO 405i\u003c\/strong\u003e is a revolutionary \u003cstrong\u003ehot-wire thermal anemometer\u003c\/strong\u003e from the Testo Smart Probe series, designed to bring professional air velocity, volume flow, and temperature measurement directly to your smartphone. This probe-only instrument eliminates the need for a separate display, offering unmatched portability and convenience for HVAC technicians, engineers, and facility managers across Sri Lanka. Its extendable telescopic shaft makes it the perfect tool for precise in-duct measurements.\u003c\/p\u003e\n\n\u003cp\u003eLooking for more options? Discover our full range of \u003ca href=\"\/collections\/anemometer\"\u003eAdvanced Industrial Anemometer Pricing\u003c\/a\u003e – wireless thermal probes, vane anemometers, data logging \u0026amp; top specifications at unbeatable rates!\u003c\/p\u003e\n\n\u003cp\u003eBy combining a high-precision thermal sensor with the power of the \u003cstrong\u003eTesto Smart App\u003c\/strong\u003e, the 405i transforms your mobile device into a powerful command center. It functions as a complete \u003cstrong\u003eair flow meter and data logger\u003c\/strong\u003e, allowing you to not only view live readings but also to configure measurements, analyze data trends, and generate professional reports on-site. For a smarter, faster, and more efficient workflow, the TESTO 405i is the modern solution.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features of this Hot-Wire Anemometer Smart Probe\u003c\/h3\u003e\n\u003cdl class=\"feature-list\"\u003e\n  \u003cdt\u003eProfessional Smart Probe Design\u003c\/dt\u003e\n  \u003cdd\u003eAs a probe-only instrument, the 405i is ultra-compact and cable-free. It connects wirelessly via Bluetooth to your smartphone or tablet, reducing clutter and making measurements in tight spaces effortless.\u003c\/dd\u003e\n  \u003cdt\u003eApp-Based Data Logger \u0026amp; On-Site Reporting\u003c\/dt\u003e\n  \u003cdd\u003eThe Testo Smart App acts as a powerful \u003cstrong\u003edata logger\u003c\/strong\u003e, allowing you to store complete measurement series as a timed graph or table. Finalize your work by adding photos and comments, and send a professional PDF report directly from the job site.\u003c\/dd\u003e\n  \u003cdt\u003eTelescopic Probe for In-Duct Measurement\u003c\/dt\u003e\n  \u003cdd\u003eThe slim, telescopic probe extends up to 400 mm, making it easy to reach the center of ventilation ducts for accurate \u003cstrong\u003eair velocity\u003c\/strong\u003e and flow profile measurements.\u003c\/dd\u003e\n  \u003cdt\u003eAccurate Flow \u0026amp; Temperature Measurement\u003c\/dt\u003e\n  \u003cdd\u003eThe sensitive \u003cstrong\u003ehot-wire sensor\u003c\/strong\u003e provides reliable and precise readings of air velocity and temperature, especially at low flow rates, which is critical for IAQ and comfort-level assessments.\u003c\/dd\u003e\n  \u003cdt\u003eAutomatic Volume Flow Calculation\u003c\/dt\u003e\n  \u003cdd\u003eThe app automatically calculates the total \u003cstrong\u003evolume flow\u003c\/strong\u003e (CFM\/CMM) after you easily input the duct dimensions, simplifying system performance diagnostics and air balancing tasks.\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch3\u003eCommon Applications\u003c\/h3\u003e\n\u003cp\u003eThis smart \u003cstrong\u003eair flow data logger\u003c\/strong\u003e is essential for:\u003c\/p\u003e\n\u003cdl class=\"feature-list\"\u003e\n  \u003cdt\u003eIn-Duct \u0026amp; Ventilation Grille Measurements\u003c\/dt\u003e\n  \u003cdd\u003ePerfect for determining air velocity, temperature, and volume flow inside ventilation ducts and at supply\/return grilles to ensure proper system function.\u003c\/dd\u003e\n  \u003cdt\u003eHVAC System Balancing \u0026amp; Diagnostics\u003c\/dt\u003e\n  \u003cdd\u003eQuickly check and document the performance of heating, ventilation, and air conditioning systems to optimize efficiency and ensure occupant comfort.\u003c\/dd\u003e\n  \u003cdt\u003eTroubleshooting Air Flow Issues\u003c\/dt\u003e\n  \u003cdd\u003eIdentify areas of poor ventilation or drafts by comparing volume flows in different rooms or checking for leaks in ductwork with high precision.\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch3\u003eTechnical Specifications for the Air Flow Meter\u003c\/h3\u003e\n\u003cdl class=\"feature-list\"\u003e\n  \u003cdt\u003eProduct Name\u003c\/dt\u003e\n  \u003cdd\u003eTESTO 405i Hot-Wire Thermal Anemometer Smart Probe\u003c\/dd\u003e\n  \u003cdt\u003eAir Velocity Range\u003c\/dt\u003e\n  \u003cdd\u003e0 to 30 m\/s\u003c\/dd\u003e\n  \u003cdt\u003eAir Temperature Range\u003c\/dt\u003e\n  \u003cdd\u003e-20 to +60 °C\u003c\/dd\u003e\n  \u003cdt\u003eProbe\u003c\/dt\u003e\n  \u003cdd\u003eTelescopic hot-wire probe, extendable to 400 mm\u003c\/dd\u003e\n  \u003cdt\u003eInterface\u003c\/dt\u003e\n  \u003cdd\u003eBluetooth 4.0 for Testo Smart App\u003c\/dd\u003e\n  \u003cdt\u003eSystem Requirements\u003c\/dt\u003e\n  \u003cdd\u003eRequires iOS 12.0 or newer \/ Android 6.0 or newer\u003c\/dd\u003e\n  \u003cdt\u003ePower Source\u003c\/dt\u003e\n  \u003cdd\u003e3 x AAA batteries\u003c\/dd\u003e\n  \u003cdt\u003eDimensions\u003c\/dt\u003e\n  \u003cdd\u003e200 x 30 x 41 mm\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch3\u003eWhat's in the Box?\u003c\/h3\u003e\n\u003cdl class=\"package-list\"\u003e\n  \u003cdd\u003e1 x TESTO 405i Hot-Wire Anemometer Smart Probe\u003c\/dd\u003e\n  \u003cdd\u003e3 x AAA Batteries\u003c\/dd\u003e\n  \u003cdd\u003e1 x Calibration Protocol\u003c\/dd\u003e\n  \u003cdd\u003e1 x English User Manual\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch3\u003eDownloads\u003c\/h3\u003e\n\u003cp\u003e\n  \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0679\/7587\/2725\/files\/testo_405i_data_sheet.pdf\" target=\"_blank\" class=\"download-link\"\u003e📄 Download TESTO 405i Data Sheet \u003c\/a\u003e\n\u003c\/p\u003e\n\u003cp\u003e\n  \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0679\/7587\/2725\/files\/testo_405i_smart_probes_user_manual.pdf\" target=\"_blank\" class=\"download-link\"\u003e📄 Download TESTO 405i User Manual \u003c\/a\u003e\n\u003c\/p\u003e\n\n\u003cdiv class=\"product-vendor\"\u003e\n  \u003cstrong\u003eBrand:\u003c\/strong\u003e \u003ca href=\"\/collections\/vendors?q=TESTO\"\u003eTESTO\u003c\/a\u003e\n\u003c\/div\u003e\n\n\u003cdiv id=\"variant-inventory\"\u003e\n  \u003cspan class=\"in-stock-status\"\u003eIn stock! Available for delivery in Sri Lanka.\u003c\/span\u003e\n\u003c\/div\u003e","brand":"TESTO","offers":[{"title":"Default Title","offer_id":50898498683093,"sku":"","price":46850.0,"currency_code":"LKR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/7587\/2725\/files\/testo-405i-new__62609.jpg?v=1736327804"},{"product_id":"testo-425-digital-hot-wire-anemometer-with-app-connection","title":"TESTO 425 Hot-Wire Thermal Anemometer Data Logger","description":"\u003ch2\u003eTESTO 425 Hot-Wire Thermal Anemometer | Smart Air Flow Meter\u003c\/h2\u003e\n\u003ch3\u003eThe Professional's Choice for HVAC \u0026amp; Duct Measurement in Sri Lanka\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eTESTO 425\u003c\/strong\u003e is a compact and precise \u003cstrong\u003ehot-wire thermal anemometer\u003c\/strong\u003e engineered for fast and easy air velocity and temperature measurements within ventilation ducts. Featuring a permanently connected telescopic probe, this \u003cstrong\u003ethermal air flow meter\u003c\/strong\u003e is the go-to instrument for HVAC technicians, system installers, and building consultants in Sri Lanka who require reliable data for air balancing and system commissioning. Its ability to calculate volume flow makes it a comprehensive tool for professional diagnostics.\u003c\/p\u003e\n\n\u003cp\u003eLooking best deals in Sri Lanka? Please visit our full range of \u003ca href=\"\/collections\/anemometer\"\u003eDigital Anemometers\u003c\/a\u003e – high accuracy wind speed, temperature, air volume with CFM\/CMM \u0026amp; best value for industrial and field applications!\u003c\/p\u003e\n\n\u003cp\u003ePowered by German engineering, the TESTO 425 integrates seamlessly with the \u003cstrong\u003eTesto Smart App\u003c\/strong\u003e, transforming your smartphone into a second display and a powerful data controller. This smart functionality allows for effortless configuration, graphing, documentation, and on-site reporting. For accurate, efficient, and smart \u003cstrong\u003eair velocity\u003c\/strong\u003e analysis in any HVAC system, the TESTO 425 sets the industry standard.\u003c\/p\u003e\n\u003ch3\u003eKey Features of this Hot-Wire Anemometer\u003c\/h3\u003e\n\u003cdl class=\"feature-list\"\u003e\n\u003cdt\u003eSmart App Integration for Advanced Workflow\u003c\/dt\u003e\n\u003cdd\u003eConnect wirelessly to the Testo Smart App on your smartphone or tablet. Use the app for remote instrument configuration, live data display, and measurement graphing for real-time analysis.\u003c\/dd\u003e\n\u003cdt\u003eMobile Data Logger \u0026amp; On-Site Reporting\u003c\/dt\u003e\n\u003cdd\u003eUse the Testo Smart App as a powerful \u003cstrong\u003edata logger\u003c\/strong\u003e to store measurement values. You can then add comments and photos, and instantly create professional PDF reports to email directly from the job site.\u003c\/dd\u003e\n\u003cdt\u003eFixed Telescopic Probe for In-Duct Measurement\u003c\/dt\u003e\n\u003cdd\u003eThe permanently attached probe extends up to 820 mm, allowing for easy and stable measurements deep inside air ducts and at hard-to-reach ventilation grilles.\u003c\/dd\u003e\n\u003cdt\u003eAccurate Flow \u0026amp; Temperature Measurement\u003c\/dt\u003e\n\u003cdd\u003eThe sensitive \u003cstrong\u003ehot-wire sensor\u003c\/strong\u003e delivers highly accurate readings of \u003cstrong\u003eair velocity\u003c\/strong\u003e, even at low flow rates. It also measures air temperature simultaneously, providing comprehensive environmental data.\u003c\/dd\u003e\n\u003cdt\u003eTimed \u0026amp; Multi-Point Mean Value Calculation\u003c\/dt\u003e\n\u003cdd\u003eEffortlessly determines the average \u003cstrong\u003evolume flow\u003c\/strong\u003e (CFM\/CMM) by calculating the mean value from multiple measurement points or over a specific time period, crucial for accurate duct traverse analysis.\u003c\/dd\u003e\n\u003cdt\u003eCompact \u0026amp; Robust for Professional Field Use\u003c\/dt\u003e\n\u003cdd\u003eDesigned for the demands of fieldwork, this compact instrument features a rugged housing and an intuitive interface, ensuring durability and ease of use on any job site.\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003ch3\u003eCommon Applications\u003c\/h3\u003e\n\u003cp\u003eThis professional \u003cstrong\u003eair flow meter\u003c\/strong\u003e is essential for:\u003c\/p\u003e\n\u003cdl class=\"feature-list\"\u003e\n\u003cdt\u003eIn-Duct \u0026amp; Ventilation Outlet Measurement\u003c\/dt\u003e\n\u003cdd\u003eIdeal for performing precise measurements inside ventilation ducts to ensure HVAC systems are balanced correctly and operating at peak efficiency.\u003c\/dd\u003e\n\u003cdt\u003eHVAC System Commissioning \u0026amp; Maintenance\u003c\/dt\u003e\n\u003cdd\u003eVerify that newly installed ventilation systems meet design specifications and perform routine checks to maintain optimal performance and indoor air quality.\u003c\/dd\u003e\n\u003cdt\u003eIndoor Air Quality (IAQ) Assessment\u003c\/dt\u003e\n\u003cdd\u003eAssess the flow rate of fresh air in indoor spaces such as offices, classrooms, and industrial workplaces to ensure a healthy and comfortable environment.\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003ch3\u003eTechnical Specifications for the Air Flow Meter\u003c\/h3\u003e\n\u003cdl class=\"feature-list\"\u003e\n\u003cdt\u003eProduct Name\u003c\/dt\u003e\n\u003cdd\u003eTESTO 425 Hot-Wire Thermal Anemometer\u003c\/dd\u003e\n\u003cdt\u003eAir Velocity Range\u003c\/dt\u003e\n\u003cdd\u003e0 to 30 m\/s\u003c\/dd\u003e\n\u003cdt\u003eAir Temperature Range\u003c\/dt\u003e\n\u003cdd\u003e-20 to +70 °C\u003c\/dd\u003e\n\u003cdt\u003eVolume Flow Calculation\u003c\/dt\u003e\n\u003cdd\u003eYes (CFM\/CMM) with timed\/multi-point averaging\u003c\/dd\u003e\n\u003cdt\u003eProbe\u003c\/dt\u003e\n\u003cdd\u003eFixed telescopic hot-wire probe, extendable to 820 mm\u003c\/dd\u003e\n\u003cdt\u003eInterface\u003c\/dt\u003e\n\u003cdd\u003eBluetooth for Testo Smart App (Data logging \u0026amp; reporting)\u003c\/dd\u003e\n\u003cdt\u003ePower Source\u003c\/dt\u003e\n\u003cdd\u003e3 x AA batteries\u003c\/dd\u003e\n\u003cdt\u003eDimensions\u003c\/dt\u003e\n\u003cdd\u003e135 x 60 x 28 mm\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003ch3\u003eWhat's in the Box?\u003c\/h3\u003e\n\u003cdl class=\"package-list\"\u003e\n\u003cdd\u003e1 x TESTO 425 Hot-Wire Anemometer with Fixed Probe\u003c\/dd\u003e\n\u003cdd\u003e1 x Transport Bag\u003c\/dd\u003e\n\u003cdd\u003e1 x Calibration Protocol\u003c\/dd\u003e\n\u003cdd\u003e3 x AA Batteries\u003c\/dd\u003e\n\u003cdd\u003e1 x English User Manual\u003c\/dd\u003e\n\u003c\/dl\u003e\n\u003ch3\u003eDownloads\u003c\/h3\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0679\/7587\/2725\/files\/testo_425_data_sheet.pdf\" class=\"download-link\" target=\"_blank\"\u003e📄 Download TESTO 425 Data Sheet \u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0679\/7587\/2725\/files\/testo_425_user_manual.pdf\" class=\"download-link\" target=\"_blank\"\u003e📄 Download TESTO 425 User Manual \u003c\/a\u003e\u003c\/p\u003e\n\u003cdiv class=\"product-vendor\"\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e \u003ca href=\"\/collections\/vendors?q=TESTO\"\u003eTESTO\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"variant-inventory\"\u003e\u003cspan class=\"in-stock-status\"\u003eIn stock! Available for delivery in Sri Lanka.\u003c\/span\u003e\u003c\/div\u003e","brand":"TESTO","offers":[{"title":"Default Title","offer_id":50898500124885,"sku":"","price":248900.0,"currency_code":"LKR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/7587\/2725\/files\/testo-425-hot-wire-anemometer-and-probe.png?v=1761652125"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/7587\/2725\/collections\/hot-wire-anemometers-collection-sri-lanka.jpg?v=1777025416","url":"https:\/\/nanozone.lk\/collections\/hot-wire-anemometers.oembed","provider":"NanoZone.LK","version":"1.0","type":"link"}