User’s Guide
Combination Photo-Tachometer Stroboscope
Model 461825
Introduction
Congratulations on your purchase of Extech’s Combination PhotoTachometer/Stroboscope. This professional meter, with proper care, will provide
years of safe reliable service.
Meter Description
1. Tachometer Light Source
2. LCD Display
3. Measure trigger button
4. Memory Recall button
5. FINE adjust knob
6. COARSE adjust knob
7. Range/Function select switch
8. Stroboscope flash tube
Note: Battery compartment is on rear of
meter
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2 461825 Ver. 1.2 03/05