This document describes the features and characteristics of the Extech 461880 Vibration Meter and Combination Laser Tachometer, including vibration measurement and tachometer functions. The vibration measurement function includes measurement ranges for acceleration, velocity, and displacement, as well as peak, max hold, and frequency range functions. The tachometer function includes contact and non-contact RPM measurements. The product also features a 1000 point datalogger and auto power-off function.
The Extech Model 461880 is a handheld instrument designed for measuring vibration (acceleration, velocity, displacement) and rotational speed. It features both contact and non-contact tachometer functions, as well as a built-in datalogger capable of storing up to 1000 readings with adjustable sample rates.
| Acceleration Range | 0.5 to 199.9 m/s2, 0.05 to 20.39 G or 2 to 656 ft/s2 |
|---|---|
| Velocity Range | 0.5 to 199.9mm/s, 0.05 to 19.99 cm/s or 0.02 to 7.87 in/s |
| Displacement Range | 0.005 to 1.999 mm or 0.002 to 0.078 inches |
| Frequency Range | 10 Hz to 1 kHz |
| Datalogger Capacity | 1000 points |
| Laser Measuring Distance | up to 1.5 meters (4.9 feet) |
| RPM Resolution (<1000 RPM) | 0.1 RPM |
Press and hold the HOLD/ESCAPE key for more than 2 seconds to zero the display and restart the function.
Press and hold the ENTER/REC key to cycle through Last Reading (LA), Maximum value (UP), and Minimum value (dn).
The internal datalogger memory can hold up to 1000 readings.