UT373 Mini Digital Laser Tachometer by UNI-T: Non-contact RPM Speed Measuring Instruments


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UNI-T UT373 Mini Digital Non-contact Tachometer Laser RPM Meter Speed Measuring Instruments
UT373 Mini Digital Laser Tachometer by UNI-T: Non-contact RPM Speed Measuring Instruments $25.44

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Meet the UT373 – a noteworthy digital non-contact tachometer that ensures precise measurement of rotary speed in motors and other machinery. Rendering results in either RPM (Rotations Per Minute) or revolution count, this compact device can nimbly measure rotating bodies via a non-invasive method, ensuring efficiency and safety.


The UT373 boasts impressive features such as an expansive ‘RPM measurement range’ starting from 10.0~9999.9RPM with a resolution of 0.1 and boasts an accuracy of ± (0.04%+2). For higher RPMs in the bracket of 10000~99999RPM, the measurement resolution is 1.

In terms of ‘Counting measurement’, the scale ranges up till 99999 counts with each count being as accurate as ±1 count.

The UT373 provides an array of features including Auto Range, Auto Power Off, Low Battery and Overload Indications, as well as Laser-On Indication. This sophisticated device also stores data, displays maximum/minimum readings, and facilitates rotating speed/count function switching. The appliance comes with an LCD backlit display for better visibility.

General Characteristics:

With a refresh rate varying from 1 to 7 seconds depending on the speed (>120 rpm for 1s), it includes photodiodes and laser tubes as sensors with a recommended target distance of 50mm ~ 200mm. The UT373 is optimally functional when the angle of measurement between the laser and the surface is less than 30 °.

Featuring a 5-digit segment code display with a maximum display of 99999, the tachometer has a drop test of 1m. The UT373 runs effectively from 0 ° C to 50 ° C with humidity less than 80%. For storage, the recommended temperature is -20 ° C to 60 ° C, again with a humidity less than 80%.

Constructed to meet IP65 protection rating standards, the device is powered by 3 AAA batteries (NOT included) and boasts an impressive battery life of continuous 12 hours of work. The sleek gadget comes in a striking color combination of red and grey, tipping the scales at a mere 85g (excluding battery) with overall size dimensions being 183.8 x 56 x 34mm.

For user manual, please click here.

The package includes:
1 x UNI-T UT373 Mini Digital Non-contact Tachometer

For a detailed look at the product, feel free to view the following images: