
99 Washington Street
Melrose, MA 02176
Phone 781-665-1400
Toll Free 1-800-517-8431
Visit us at www.TestEquipmentDepot.com
Back to the Extech 461825 Product Page
User’s Guide
Combination Photo-Tachometer Stroboscope
Model 461825
Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176
FAX 781.665.0780 - TestEquipmentDepot.com

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