The 461920 Laser Photo Tachometer is a non-contact tachometer that measures RPM and Revolution count and provides accurate long distance measurements.
The Extech 461920 is a Mini Laser Photo Tachometer designed for non-contact RPM and revolution count measurements. It features a laser pointer for accurate long-distance measurements and includes a one-year warranty against defects in parts and workmanship. The device is shipped fully tested and calibrated to provide reliable service with proper use.
To operate the meter, apply reflective tape to the object under test and point the meter at a distance of 2 to 20 inches. Press the Measure button to align the laser beam with the tape and verify the monitor indicator. Users can switch between RPM and REV units using the MODE button and recall MAX, MIN, and LAST readings with the MEMORY button.
| Detecting Distance | 2 to 20" (50 to 500 mm) |
|---|---|
| Sampling Time | 0.5sec (over 120 rpm) |
| Power Supply | Internal 9V battery or external AC Adaptor (6 to 9VDC) |
| Weight | 5.3oz. (151g) |
| Size | 6.3x2.3x1.6" (160x58x39 mm) |
Extech warrants the instrument to be free of defects in parts and workmanship for one year from the date of shipment.
Release the Measure button and press the MODE button to change units between RPM and REV.
The meter should be pointed at the device under test at a distance of 2 to 20 inches (50 to 500mm).