Instruction/ maintenance manual of the product CEN-TECH 66400 Harbor Freight Tools
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Digital Contact T achometer Item 66400 Read this material before using this product. Failure to do so can result in serious injury . SA VE 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.
Page 2 For technical questions, please call 1-800-444-3353. SKU 66400 3. This product is not a toy . Do not allow children to play with or near this item. 4. Position batteries in proper polarity and do not install batteries of different types, charge levels, or capacities together .
Page 3 For technical questions, please call 1-800-444-3353. SKU 66400 Set Up Read the ENTIRE IMPORT ANT SAFETY INFORMA TION section at the beginning of this document including all text under subheadings therein before set up or use of this product. Battery Installation 1.
Page 4 For technical questions, please call 1-800-444-3353. SKU 66400 Memory Function 1. After each test, you can review most recent saved measurements. 2. Press and release MEMORY button to cycle through most recent MIN and MAX readings. Record Serial Number Here: Note: If product has no serial number , record month and year of purchase instead.
Page 5 For technical questions, please call 1-800-444-3353. SKU 66400 Assembly Diagram.
Page 6 For technical questions, please call 1-800-444-3353. SKU 66400 Limited 90 Day W arranty Harbor Freight T ools Co. makes every effort to assure that its products meet high quality and durability.
3491 Mission Oaks Blvd. • PO Box 6009 • Camarillo, CA 9301 1 • (800) 444-3353.
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