{"title":"Tachometers \u0026 RPM Meters","description":"\u003ch2\u003eBuy Tachometers \u0026amp; RPM Meters in Sri Lanka\u003c\/h2\u003e\n\u003ch3\u003eHandheld Contact, Non-Contact, Laser, and Optical RPM Testers for Engines, Motors \u0026amp; Industrial Equipment\u003c\/h3\u003e\n\n\u003cp\u003eExplore our professional range of \u003cstrong\u003etachometers and RPM meters\u003c\/strong\u003e engineered for precise rotational speed measurement across industrial, automotive, and laboratory environments. At nanozone.lk, we supply high-quality \u003cstrong\u003edigital tachometer gauges\u003c\/strong\u003e and \u003cstrong\u003ehandheld RPM meters\u003c\/strong\u003e that enable technicians and engineers across Sri Lanka to measure shaft speed, motor RPM, fan rotation, and engine performance with confidence.\u003c\/p\u003e\n\n\u003cp\u003eOur collection covers every major measurement technology — from \u003cstrong\u003ehandheld laser tachometers\u003c\/strong\u003e and \u003cstrong\u003eoptical tachometers\u003c\/strong\u003e for contactless sensing, to \u003cstrong\u003econtact type tachometers\u003c\/strong\u003e with wheel and cone attachments for direct shaft engagement. Whether you are servicing \u003cstrong\u003esmall engines\u003c\/strong\u003e, calibrating \u003cstrong\u003eelectric motors\u003c\/strong\u003e, or conducting preventive maintenance on industrial fans and pumps, we stock the right instrument at the right price.\u003c\/p\u003e\n\n\u003cp\u003eWe also carry \u003cstrong\u003emechanical tachometer\u003c\/strong\u003e variants and \u003cstrong\u003ephoto-electric tachometers\u003c\/strong\u003e alongside modern \u003cstrong\u003edigital RPM tachometers\u003c\/strong\u003e, giving you full coverage of all tachometer types under one trusted supplier. Every unit we stock is sourced from certified manufacturers and backed by manufacturer warranties, ensuring reliable performance in demanding field conditions.\u003c\/p\u003e\n\n\u003ch3\u003eTypes of Tachometers We Supply\u003c\/h3\u003e\n\u003cdl class=\"feature-list\"\u003e\n    \u003cdt\u003eNon-Contact Laser \u0026amp; Optical Tachometers\u003c\/dt\u003e\n    \u003cdd\u003eMeasure RPM without touching the rotating shaft using a laser beam and reflective tape. Ideal for hazardous or hard-to-reach machinery, small engines, and high-speed motors where physical contact is unsafe or impractical.\u003c\/dd\u003e\n\n    \u003cdt\u003eContact Tachometers with Wheel Attachments\u003c\/dt\u003e\n    \u003cdd\u003eDirectly engage the shaft or surface using rubber wheel, cone, or disk adapters for highly accurate surface speed and RPM readings. Suitable for conveyors, rollers, and machinery where reflective tape application is not feasible.\u003c\/dd\u003e\n\n    \u003cdt\u003eDigital RPM Tachometers for Motors \u0026amp; Fans\u003c\/dt\u003e\n    \u003cdd\u003eCompact digital RPM meters designed for electric motor speed verification, fan RPM checking, and general machine speed display applications in workshops and industrial plants.\u003c\/dd\u003e\n\n    \u003cdt\u003eMechanical Tachometer Types\u003c\/dt\u003e\n    \u003cdd\u003eTraditional centrifugal and eddy-current mechanical tachometer gauges used in diesel engines, agricultural equipment, and legacy industrial machinery where electronic instruments are not preferred.\u003c\/dd\u003e\n\n    \u003cdt\u003eElectrical \u0026amp; Photo-Electric Tachometers\u003c\/dt\u003e\n    \u003cdd\u003eContactless electrical tachometer instruments using photoelectric sensing for high-accuracy, non-invasive RPM measurement in automation systems and precision manufacturing lines.\u003c\/dd\u003e\n\u003c\/dl\u003e","products":[{"product_id":"uni-t-ut372d-contact-non-contact-tachometer-rpm-gauge","title":"UNI-T UT372D Contact \u0026 Non-Contact Tachometer RPM Gauge","description":"\u003ch2\u003eUNI-T UT372D Contact \u0026amp; Non-Contact Tachometer RPM Gauge in Sri Lanka\u003c\/h2\u003e\n\n\u003ch3\u003eDual-Mode RPM Meter with Wheel, Cone \u0026amp; Disk Attachments for Direct Shaft \u0026amp; Laser Measurement\u003c\/h3\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eUNI-T UT372D Contact and Non-Contact Tachometer RPM Gauge\u003c\/strong\u003e is a versatile dual-mode speed measurement instrument that combines direct \u003cstrong\u003econtact type tachometer\u003c\/strong\u003e capability with built-in non-contact laser sensing — all in one compact handheld unit. Supplied with a full set of contact wheel, cone, and disk adapters, the UT372D is the ideal choice for workshops, automotive service centers, and industrial maintenance teams in Sri Lanka that need one tachometer capable of handling any measurement scenario.\u003c\/p\u003e\n\n\u003cp\u003eDiscover our complete selection of \u003ca href=\"\/collections\/tachometers\" target=\"_blank\"\u003eTachometers \u0026amp; RPM Meters — contact, non-contact, laser, and digital types available in Sri Lanka!\u003c\/a\u003e\u003c\/p\u003e\n\n\u003cp\u003eWhen reflective tape cannot be applied to a rotating shaft — or when direct engagement gives more reliable readings — the UT372D's \u003cstrong\u003econtact wheel attachment\u003c\/strong\u003e physically engages the shaft or surface to measure both RPM and linear surface speed in m\/min. This makes it equally effective on conveyor belts, fabric rollers, diesel engine crankshafts, and any rotating component where non-contact laser sensing alone is insufficient.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cdl class=\"package-list\"\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eMeasurement Type\u003c\/strong\u003e: Contact + non-contact (laser optical) dual mode\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eNon-Contact RPM Range\u003c\/strong\u003e: 10 ~ 99,999 RPM\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eContact RPM Range\u003c\/strong\u003e: 0.5 ~ 19,999 RPM\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eLinear Surface Speed (Contact Mode)\u003c\/strong\u003e: 0.02 ~ 1,999.9 m\/min\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eNon-Contact Accuracy\u003c\/strong\u003e: ±(0.05% + 1 digit)\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eContact Accuracy\u003c\/strong\u003e: ±(0.1% + 1 digit)\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eSensing Distance (Non-Contact)\u003c\/strong\u003e: 50mm ~ 500mm\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eSampling Time\u003c\/strong\u003e: 1s (≥ 60 RPM); 2s (\u0026lt; 60 RPM)\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eDisplay\u003c\/strong\u003e: 5-digit LCD with backlight\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eMemory\u003c\/strong\u003e: Last, MAX, MIN value storage\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003ePower Supply\u003c\/strong\u003e: 3 × 1.5V AAA batteries\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eAuto Power-Off\u003c\/strong\u003e: Yes\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cdl class=\"package-list\"\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eTrue Dual-Mode Operation\u003c\/strong\u003e: Switch seamlessly between direct contact shaft measurement and non-contact laser RPM sensing from one handheld instrument\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eContact Wheel Attachment Set Included\u003c\/strong\u003e: Rubber wheel, cone tip, and disk adapters cover shafts, recessed bores, and flat surface speed measurement scenarios\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eLinear Surface Speed Measurement\u003c\/strong\u003e: Measures conveyor belts, paper rolls, and fabric surfaces in m\/min — functionality beyond standard RPM tachometers\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eWide Contact RPM Range\u003c\/strong\u003e: 0.5 to 19,999 RPM covers slow-moving rollers to medium-speed motor shafts via direct contact\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eBacklit LCD Display\u003c\/strong\u003e: Comfortable reading in workshop, plant, and under-vehicle inspection environments\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eMAX \/ MIN \/ LAST Memory\u003c\/strong\u003e: Log speed peaks and minimums during dynamic machine run-up testing\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eExtension Rod Support\u003c\/strong\u003e: Reach recessed or hard-to-access shafts safely with the included contact probe extension\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cdl class=\"package-list\"\u003e\n  \u003cdd\u003eDirect shaft RPM measurement using contact wheel adapter on motors, gearboxes, and pumps\u003c\/dd\u003e\n  \u003cdd\u003eDiesel engine and small engine crankshaft speed verification via contact cone attachment\u003c\/dd\u003e\n  \u003cdd\u003eConveyor belt and roller linear surface speed measurement in manufacturing plants\u003c\/dd\u003e\n  \u003cdd\u003eTextile mill, paper mill, and printing press roller speed monitoring\u003c\/dd\u003e\n  \u003cdd\u003eAutomotive driveshaft and transmission output speed diagnostics\u003c\/dd\u003e\n  \u003cdd\u003eNon-contact laser RPM fallback when reflective tape is applicable\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch3\u003ePackage Includes\u003c\/h3\u003e\n\u003cdl class=\"package-list\"\u003e\n  \u003cdd\u003e1 × UNI-T UT372D Contact \u0026amp; Non-Contact Tachometer RPM Gauge\u003c\/dd\u003e\n  \u003cdd\u003eContact measurement attachment set (rubber wheel, cone tip, flat disk)\u003c\/dd\u003e\n  \u003cdd\u003eExtension rod for contact probe\u003c\/dd\u003e\n  \u003cdd\u003eReflective tape strips\u003c\/dd\u003e\n  \u003cdd\u003e3 × AAA batteries (installed)\u003c\/dd\u003e\n  \u003cdd\u003eHard carrying case\u003c\/dd\u003e\n  \u003cdd\u003eEnglish user manual\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003cp\u003eFor a dedicated high-precision non-contact only tachometer with extended 800mm laser sensing range, see the \u003ca href=\"\/products\/uni-t-ut371-advanced-non-contact-tachometer\"\u003eUNI-T UT371 Advanced Non-Contact Laser Tachometer\u003c\/a\u003e.\u003c\/p\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\/uni-t-ut372d-data-sheet.pdf\" target=\"_blank\"\u003e📄 Download UNI-T UT372D Data Sheet\u003c\/a\u003e\u003cbr\u003e\n  \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0679\/7587\/2725\/files\/uni-t-ut372d-user-manual.pdf\" target=\"_blank\"\u003e📄 Download UNI-T UT372D 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=UNI-T\"\u003eUNI-T\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"variant-inventory\"\u003e\u003cspan class=\"in-stock\"\u003eIn stock!\u003c\/span\u003e\u003c\/div\u003e","brand":"UNI-T","offers":[{"title":"Default Title","offer_id":53243860877525,"sku":null,"price":39500.0,"currency_code":"LKR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/7587\/2725\/files\/uni-t-ut372d-laser-tachometer-rpm-meter-front-view.jpg?v=1771915898"},{"product_id":"uni-t-ut371-advanced-non-contact-tachometer","title":"UNI-T UT371 Advanced Non-Contact Laser Tachometer","description":"\u003ch2\u003eUNI-T UT371 Advanced Non-Contact Laser Tachometer in Sri Lanka\u003c\/h2\u003e\n\n\u003ch3\u003eHigh-Precision Optical RPM Meter for Industrial Motors, Turbines \u0026amp; High-Speed Machinery\u003c\/h3\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eUNI-T UT371 Advanced Non-Contact Laser Tachometer\u003c\/strong\u003e is a professional-grade optical RPM measurement instrument engineered for demanding industrial applications where standard handheld tachometers fall short. Using a focused laser beam with reflective tape sensing, this \u003cstrong\u003eadvanced non-contact tachometer\u003c\/strong\u003e delivers exceptional accuracy and extended sensing distance — making it the preferred choice for maintenance engineers in Sri Lanka who regularly work with high-speed motors, turbines, spindles, and precision drive systems.\u003c\/p\u003e\n\n\u003cp\u003eDiscover our complete selection of \u003ca href=\"\/collections\/tachometers\" target=\"_blank\"\u003eTachometers \u0026amp; RPM Meters — contact, non-contact, laser, and digital types available in Sri Lanka!\u003c\/a\u003e\u003c\/p\u003e\n\n\u003cp\u003eCompared to entry-level non-contact models, the UT371 offers enhanced measurement performance with improved sampling speed, extended measurement distance, and a more robust build quality suited to continuous professional use. Whether you are commissioning high-speed CNC spindles, verifying turbine blade RPM, or conducting precision speed trending on critical plant equipment, the UT371 delivers the measurement confidence industrial professionals demand.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cdl class=\"package-list\"\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eMeasurement Type\u003c\/strong\u003e: Non-contact optical laser tachometer\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eRPM Range\u003c\/strong\u003e: 10 ~ 99,999 RPM\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eResolution\u003c\/strong\u003e: 0.1 RPM (10 ~ 999.9 RPM); 1 RPM (≥ 1000 RPM)\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eAccuracy\u003c\/strong\u003e: ±(0.05% + 1 digit)\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eSensing Distance\u003c\/strong\u003e: 50mm ~ 800mm (extended range)\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eSampling Time\u003c\/strong\u003e: 0.5s (≥ 60 RPM); 2s (\u0026lt; 60 RPM)\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eDisplay\u003c\/strong\u003e: Large 5-digit backlit LCD\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eMemory\u003c\/strong\u003e: Last, MAX, MIN value storage with recall\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eData Hold\u003c\/strong\u003e: Yes\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eLaser Class\u003c\/strong\u003e: Class II laser (\u0026lt; 1mW)\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003ePower Supply\u003c\/strong\u003e: 3 × 1.5V AAA batteries\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eAuto Power-Off\u003c\/strong\u003e: Yes\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cdl class=\"package-list\"\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eExtended Laser Sensing Distance\u003c\/strong\u003e: Up to 800mm standoff distance — safely measure rotating components from a greater distance than standard tachometers allow\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eAdvanced Non-Contact Precision\u003c\/strong\u003e: High-accuracy optical sensing with ±0.05% accuracy for applications where speed tolerance is critical\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eFast Sampling Rate\u003c\/strong\u003e: 0.5s response time captures rapid RPM changes during motor run-up and load variation events\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eBacklit LCD Display\u003c\/strong\u003e: Clearly readable RPM values in both bright outdoor conditions and dark plant environments\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eMAX \/ MIN \/ LAST Memory\u003c\/strong\u003e: Record speed peaks, drops, and current values for detailed diagnostics and maintenance reporting\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eData Hold Function\u003c\/strong\u003e: Freeze the reading for convenient logging when the display is not directly visible during measurement\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eRobust Professional Build\u003c\/strong\u003e: Durable housing engineered for repeated daily field use in industrial maintenance environments\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cdl class=\"package-list\"\u003e\n  \u003cdd\u003eHigh-speed CNC spindle and machine tool RPM verification\u003c\/dd\u003e\n  \u003cdd\u003eTurbine and compressor blade speed measurement from safe standoff distances\u003c\/dd\u003e\n  \u003cdd\u003ePrecision motor speed trending and performance benchmarking\u003c\/dd\u003e\n  \u003cdd\u003eIndustrial fan and blower RPM commissioning and post-service verification\u003c\/dd\u003e\n  \u003cdd\u003eAdvanced preventive maintenance speed audits on critical rotating plant assets\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch3\u003ePackage Includes\u003c\/h3\u003e\n\u003cdl class=\"package-list\"\u003e\n  \u003cdd\u003e1 × UNI-T UT371 Advanced Non-Contact Laser Tachometer\u003c\/dd\u003e\n  \u003cdd\u003eReflective tape strips\u003c\/dd\u003e\n  \u003cdd\u003e3 × AAA batteries (installed)\u003c\/dd\u003e\n  \u003cdd\u003eHard carrying case\u003c\/dd\u003e\n  \u003cdd\u003eEnglish user manual\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003cp\u003eIf your workflow also requires direct contact shaft speed measurement with wheel and cone adapters, consider the \u003ca href=\"\/products\/uni-t-ut372d-contact-non-contact-tachometer-rpm-gauge\"\u003eUNI-T UT372D Contact \u0026amp; Non-Contact Tachometer\u003c\/a\u003e for dual-mode versatility.\u003c\/p\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\/uni-t-ut371-data-sheet.pdf\" target=\"_blank\"\u003e📄 Download UNI-T UT371 Data Sheet\u003c\/a\u003e\u003cbr\u003e\n  \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0679\/7587\/2725\/files\/uni-t-ut371-user-manual.pdf\" target=\"_blank\"\u003e📄 Download UNI-T UT371 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=UNI-T\"\u003eUNI-T\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"variant-inventory\"\u003e\u003cspan class=\"in-stock\"\u003eIn stock!\u003c\/span\u003e\u003c\/div\u003e","brand":"UNI-T","offers":[{"title":"Default Title","offer_id":53254491996373,"sku":null,"price":29500.0,"currency_code":"LKR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/7587\/2725\/files\/uni-t-ut371-laser-tachometer-front-view.jpg?v=1771919541"},{"product_id":"uni-t-ut373-non-contact-laser-tachometer","title":"UNI-T UT373 Non-Contact Laser Tachometer","description":"\u003ch2\u003eUNI-T UT373 Non-Contact Laser Tachometer in Sri Lanka\u003c\/h2\u003e\n\n\u003ch3\u003eHandheld Optical RPM Meter with Reflective Tape for Contactless Speed Measurement\u003c\/h3\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eUNI-T UT373 Non-Contact Laser Tachometer\u003c\/strong\u003e delivers fast, accurate, and completely contactless rotational speed measurement using a focused laser beam and reflective tape. Designed for maintenance engineers, automotive technicians, and industrial professionals across Sri Lanka, this \u003cstrong\u003ehandheld optical tachometer\u003c\/strong\u003e lets you safely measure RPM on rotating shafts, pulleys, fans, and small engines without stopping the machine or touching any moving part.\u003c\/p\u003e\n\n\u003cp\u003eDiscover our complete selection of \u003ca href=\"\/collections\/tachometers\" target=\"_blank\"\u003eTachometers \u0026amp; RPM Meters — contact, non-contact, laser, and digital types available in Sri Lanka!\u003c\/a\u003e\u003c\/p\u003e\n\n\u003cp\u003eWith a wide measurement range of up to 99,999 RPM and a safe laser sensing distance, the UT373 is the ideal \u003cstrong\u003econtactless tachometer\u003c\/strong\u003e for applications where physical contact is hazardous, impractical, or where reflective tape can be conveniently applied to the rotating target. The instrument stores last, maximum, and minimum readings for convenient comparison and diagnostics during field service.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cdl class=\"package-list\"\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eMeasurement Type\u003c\/strong\u003e: Non-contact optical laser tachometer\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eRPM Range\u003c\/strong\u003e: 10 ~ 99,999 RPM\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eResolution\u003c\/strong\u003e: 0.1 RPM (10~999.9 RPM); 1 RPM (≥1000 RPM)\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eAccuracy\u003c\/strong\u003e: ±(0.05% + 1 digit)\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eSensing Distance\u003c\/strong\u003e: 50mm ~ 500mm (recommended)\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eSampling Time\u003c\/strong\u003e: 0.8s (≥60 RPM); 2s (\u0026lt; 60 RPM)\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eDisplay\u003c\/strong\u003e: 5-digit LCD\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eMemory\u003c\/strong\u003e: Last, MAX, MIN value storage\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eLaser Class\u003c\/strong\u003e: Class II laser (\u0026lt; 1mW)\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003ePower Supply\u003c\/strong\u003e: 3 × 1.5V AAA batteries\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eDimensions\u003c\/strong\u003e: Compact handheld form factor\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cdl class=\"package-list\"\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eContactless Laser Sensing\u003c\/strong\u003e: No physical contact with the rotating target — safe for high-speed and hazardous measurement environments\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eWide RPM Range\u003c\/strong\u003e: Covers slow machinery and high-speed motors in a single instrument (10–99,999 RPM)\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eMAX \/ MIN \/ LAST Memory\u003c\/strong\u003e: Capture and review peak and minimum speed values for trending and diagnostics\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eReflective Tape Included\u003c\/strong\u003e: Works with standard reflective tape strips applied to the rotating shaft or surface\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eSingle-Hand Operation\u003c\/strong\u003e: Ergonomic pistol grip with trigger-style operation for comfortable one-handed field use\u003c\/dd\u003e\n  \u003cdd\u003e\n\u003cstrong\u003eAuto Power-Off\u003c\/strong\u003e: Extends battery life during infrequent use cycles\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cdl class=\"package-list\"\u003e\n  \u003cdd\u003eNon-contact RPM measurement on electric motors, fans, and blowers\u003c\/dd\u003e\n  \u003cdd\u003eOptical tachometer testing for small engine speed verification\u003c\/dd\u003e\n  \u003cdd\u003ePulley and belt drive speed ratio confirmation in industrial machinery\u003c\/dd\u003e\n  \u003cdd\u003ePropeller and shaft RPM measurement where contact is unsafe\u003c\/dd\u003e\n  \u003cdd\u003eHVAC fan speed checking and commissioning\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003ch3\u003ePackage Includes\u003c\/h3\u003e\n\u003cdl class=\"package-list\"\u003e\n  \u003cdd\u003e1 × UNI-T UT373 Non-Contact Laser Tachometer\u003c\/dd\u003e\n  \u003cdd\u003eReflective tape strips\u003c\/dd\u003e\n  \u003cdd\u003e3 × AAA batteries (installed)\u003c\/dd\u003e\n  \u003cdd\u003eCarrying case\u003c\/dd\u003e\n  \u003cdd\u003eEnglish user manual\u003c\/dd\u003e\n\u003c\/dl\u003e\n\n\u003cp\u003eIf your application also requires direct shaft contact measurement with wheel and cone adapters, consider the \u003ca href=\"\/products\/uni-t-ut372d-contact-non-contact-tachometer-rpm-gauge\"\u003eUNI-T UT372D Contact \u0026amp; Non-Contact Tachometer RPM Gauge\u003c\/a\u003e for dual-mode contact and non-contact flexibility.\u003c\/p\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\/uni-t-ut373-data-sheet.PDF\" target=\"_blank\"\u003e📄 Download UNI-T UT373 Data Sheet\u003c\/a\u003e\u003cbr\u003e\n  \u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0679\/7587\/2725\/files\/uni-t-ut373-user-manual.pdf\" target=\"_blank\"\u003e📄 Download UNI-T UT373 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=UNI-T\"\u003eUNI-T\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"variant-inventory\"\u003e\u003cspan class=\"in-stock\"\u003eIn stock!\u003c\/span\u003e\u003c\/div\u003e","brand":"UNI-T","offers":[{"title":"Default Title","offer_id":53265130848469,"sku":null,"price":9900.0,"currency_code":"LKR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/7587\/2725\/files\/uni-t-ut373-mini-laser-tachometer-front-view.jpg?v=1771930013"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0679\/7587\/2725\/collections\/laser-tachometer-price-in-sri-lanka.jpg?v=1771930624","url":"https:\/\/nanozone.lk\/collections\/tachometers.oembed","provider":"NanoZone.LK","version":"1.0","type":"link"}