EXTECH Model 461920 Laser Photo Tachometer User's Guide and Manual
Summary
Capture accurate rotational speed (RPM) and count measurements non-contactly with this reliable laser photo tachometer. This unit uses a calibrated laser beam to measure rotating objects up to 20 inches away, making it perfect for industrial testing. The accompanying manual provides comprehensive guidance on setup using reflective tape, best practices for measurement accuracy, essential safety warnings, and maintenance details. It is an indispensable tool for mechanical engineers, quality control professionals, and technicians requiring precise RPM data from machinery.
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User's Guide
Model 461920 Laser Photo Tachometer
Page Summary Contents For EXTECH Model 461920 Laser Photo Tachometer User's Guide and Manual
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User's Guide Model 461920 Laser Photo Tachometer
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Introduction Congratulations on your purchase of Extech's Mini Laser Photo Tachometer, Model 461920. This Tachometer provides non-contact RPM and Revolution count measurements. The laser pointer beam ...
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Meter Operation 1. Apply an appropriately (0.5”/12mm) sized square piece of reflective tape to the surface of the object under test. 2. Point the meter toward the device under test at a distance of 2&...
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Specifications Time base Quartz crystal Display 5 digit LCD display Laser light source Class 2 laser < 1m W power; Wavelength is 630 to 670nm Detecting Distance 2 to 20" (50 to 500 mm) Samplin...
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Battery Replacement The low battery indication appears as “ " on the display. To replace the batteries, loosen the two Philips head screws securing the rear battery cover and lift the cover off. ...
Manual Details
| Brand | Laser |
|---|---|
| Pages | 5 |
| File Size | 48.24 KB |
| Published | May 25, 2026 |
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