This document describes the operating methods of Extech 461830/461831 digital stroboscope, including product features, operating steps and maintenance and repair.
The Extech Digital Stroboscope Tachometer (Models 461830 and 461831) measures the speed of moving parts such as gears, fans, propellers, centrifuges, and pumps. The instrument utilizes a stop-motion action to permit visual inspection of rotating objects by synchronizing the strobe flash rate with the object's rotation.
| Measurement Range | 100 to 10,000 RPM/FPM |
|---|---|
| Resolution | 0.1 (<1000 RPM) / 1 (1000-9999 RPM) |
| Accuracy | ± (0.05% + 1 digits) |
| Power Supply (Model 461830) | 110VAC |
| Power Supply (Model 461831) | 220VAC |
| Operating Temperature | 32 to 122 o F (0 to 50 o C) |
Extech warrants the instrument to be free of defects in parts and workmanship for one year from date of shipment.
Adjust the FINE/COARSE knobs until two images appear, then lower the flash rate until a single stationary image appears.
The maximum operating time is 30 minutes.