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461920: Mini Laser Photo Tachometer Counter

Laser Light Source used for greater accuracy and longer measuring distance

View Datasheet > 461920


Extech’s 461920 is a tachometer for RPM measurements. Make safe, non-contact RPM measurements (2 to 99,999 RPM) of rotating objects by pointing the integral laser (1.6-ft. target distance) at the reflective tape placed on the object to be measured. Complete with 9-Volt battery, reflective tape and user manual.

Additional information

RPM range

2 to 99, 999 rpm

Count range

1 to 99, 999 rev (revolution)

Target Distance

1.6ft (500mm)

Basic Accuracy



0.1rpm, 1 count

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