
Measure rotational speeds flawlessly from 50 to 19,999 RPM with professional ±(0.03%+2d) accuracy. Designed for engineers, mechanics, and laboratory technicians who demand robust performance, instant multi-unit data analysis, and reliable daily diagnosis.




The InfiWeas Contact Tachometer delivers laboratory-grade ±(0.03%+2d) accuracy over an extensive 50 to 19,999 RPM range. With variable resolutions down to 0.01 RPM, say goodbye to guesswork and confidently optimize your motors and machinery.
Effortlessly toggle between 5 measurement units (m/min, m/sec, ft/min, ft/sec, and in/min) to meet international standards. Instantly access Max, Min, and Average values on the backlit LCD display to analyze trends in real time.


Constructed with advanced secondary injection molding, the CE and RoHS/REACH compliant ergonomic body is built for effortless, single-handed operation. Store up to 100 measurement groups to secure your workflow, even in dim, confined spaces.



"The InfiWeas Tachometer stands out for its unmatched accuracy and rugged ergonomic housing. Its capacity to store 100 measurement groups and display variable resolutions makes it an indispensable diagnostic tool for industrial maintenance."
– Raymond Vance, Senior Industrial Mechanical Engineer


Get pinpoint accuracy with custom resolution scaling: 0.01 RPM for low speeds, up to 1 RPM for speeds exceeding 10,000 RPM.

Track performance over time. Record, store, and analyze up to 100 measurement groups with instant Max/Min/Avg calculations.

Instantly support different international industrial standards with five units of measurement: m/min, m/sec, ft/min, ft/sec, and in/min.


Engineered using premium secondary injection molding, the shock-resistant body is comfortable for long, demanding shifts.

Includes 5 interchangeable contact rollers designed to adapt easily to various shaft sizes, pulleys, and belt applications.

An intelligent 30-second auto power-off system and low-battery warnings preserve battery life, avoiding sudden workshop downtime.







We know how valuable your testing time is. That's why our expert technical team is trained to respond quickly and efficiently, making sure your machinery and diagnostics run without unnecessary delays.
Frequently Asked Questions
A stellar piece of testing equipment. The variable resolution and multi-unit support saved us hours during motor recalibration in our automotive facility.

We use the InfiWeas tachometer in our laboratory. The ±(0.03%+2d) accuracy is perfectly consistent, and the 100-group data storage makes trend tracking incredibly streamlined.

The dual-molded housing is durable and handles rough shop environments perfectly. The backlit screen and auto power-off make it highly practical for daily maintenance checks.
