EXTECH 461920 User Guide
User's Guide
Model 461920
Laser Photo Tachometer
Introduction
Congratulations on your purchase of Extech's Mini Laser
Photo Tachometer, Model 461920. This Tachometer
provides non-contact RPM and Revolution count
measurements. The laser pointer beam provides accurate
long distance measurements for photo tachometer
measurements. This meter is shipped fully tested and
calibrated and, with proper use, will provide years of
reliable service.
Meter Description
1. Photo Tachometer sensor and laser source
2. MEASURE button
3. MEMORY button
4. MODE button
5. AC Power Adaptor
6. Battery compartment (rear)
CAUTION: Rotating objects can be dangerous. Use extreme
care.
WARNING: Do not directly view or direct the laser pointer at
an eye. Low power visible lasers do not normally present a hazard,
but may present some potential for hazard if viewed directly for
extended periods of time.
Laser complies with:FDA 21 CFR 1040.10 and 1040.11, IEC 608251 (2001-2008) Edition 1.2
EN 60825-1:1994/A11:1996/A2:2001/A1:2002
2
461920-EU V2.1 8/09
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