Product OverviewThe UNI-T UT373 is a compact, digital, non-contact tachometer designed for precise, safe, and reliable measurement of rotational speeds. By utilizing laser-based sensing technology, it allows you to measure the revolutions per minute (RPM) or total revolution count of motors, fans, conveyor belts, and other rotating machinery without physical contact. Its "mini" form factor makes it a highly portable and convenient tool for field service technicians, maintenance engineers, and students performing laboratory or on-site equipment diagnostics. Key FeaturesNon-Contact Measurement: Safely captures RPM data from a distance of 50mm to 200mm, eliminating the need for mechanical coupling with the rotating object. Dual-Functionality: Easily switches between RPM measurement (rotational speed) and Revolution Count (cumulative turns), providing versatile diagnostics for different mechanical systems. Precision Sensing: Uses an integrated photodiode and laser tube to detect reflections from a small piece of reflective tape applied to the rotating surface. Intelligent Data Tools: Features MAX/MIN recording modes to capture peak/trough speed fluctuations, "Data Hold" to freeze readings for documentation, and auto-ranging functionality for effortless operation. User-Centric Design: * High Visibility: Equipped with a backlit 5-digit LCD screen (max display 99999). Ruggedized: Rated for a 1-meter drop, ensuring durability in demanding industrial or field environments. Energy Efficient: Includes auto-power-off functionality and low-battery indication. Technical SpecificationsFeatureSpecificationBrandUNI-TModelUT373RPM Range10.0 – 99999 RPMCounting Range0 – 99999 countsAccuracy±(0.04% + 2)Target Distance50mm – 200mmMeasuring Angle±30° from perpendicularRefresh Rate1s to 7s (depending on speed)Display Count99999Power Source3 x 1.5V (AAA) BatteriesDimensions183.8 x 56 x 34 mmWeightApprox. 85g (excl. batteries)SEO KeywordsUNI-T UT373, Mini Tachometer, Non-contact RPM Meter, Digital Laser Tachometer, Rotational Speed Tester, RPM Gauge, UNI-T UT373 Specs, Motor Speed Diagnostic Tool, Conveyor Belt Speed Meter, Portable Tachometer.
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