Harbor Freight Tools 66632 User Manual
Digital Photo Sensor
Tachometer
Item 66632
INSTRUCTIONS AND
PRECAUTIONS
Visit our website at:
http://www.harborfreight.com
Read this material before
using this product.
Failure to do so can result
in serious injury.
SAVE THIS MANUAL.
When unpacking, make sure that the
product is intact and undamaged.
If any parts are missing or broken,
please call 1‑800‑444‑3353
as soon as possible.
Copyright© 2009 by Harbor Freight Tools®.
All rights reserved. No portion of this document
or any artwork contained herein may be
reproduced in any shape or form without the
express written consent of Harbor Freight
Tools. Diagrams within this document may
not be drawn proportionally. Due to continuing
improvements, actual product may differ slightly
from the product described herein. Tools required
for assembly and service may not be included.
For technical questions,
please call 1‑800‑444‑3353.
Manual Revised 11g
Specications
Set Up
Display LCD 5 Digits
RPM Range 6 ‑ 99999 RPM
Accuracy ± 0.05% +1 RPM
Power
Source
Operating
Environment
Includes Reective Tape
(4) ‘AA’ Batteries or
6VDC (neither included)
32° ‑ 104° F,
< 85% Humidity
Important Safety Information
1. When in use, this tool is
near rotating parts.
Do not touch rotating parts.
Do not wear loose clothing when
working with rotating parts.
Contain hair, jewelry and any item that
may become entangled in rotating part.
2. This product is not a toy. Do not allow
children to play with or near this item.
3. Position batteries in proper polarity and
do not install batteries of different types,
charge levels, or capacities together.
4. Use as intended only.
5. Inspect before every use; do not use
if parts are loose or damaged.
6. Wear ANSI‑approved safety
goggles when working.
7. Maintain product labels and
nameplates. These carry important
safety information. If unreadable
or missing, contact Harbor Freight
Tools for a replacement.
Before rst use, remove clear
protective covering from Display.
Battery Installation
Note: Install batteries before
use and replace the batteries
when the Low Battery Indicator
(see Figure C) appears.
1. Remove Screw and Battery
Cover on back of Tachometer.
Figure A: Battery Compartment
2. Install 4 ‘AA’ batteries in battery
compartment, matching polarity
markings inside battery case.
3. Replace Battery Cover and
Screw. Do not overtighten.
Note: This tool may be used with a
6VDC power adapter instead.
Page 2 For technical questions, please call 1‑800‑444‑3353. SKU 66632
Loading...