Owner's Manual for PITTSBURGH models including: 58231 12 Inch Digital Caliper, 58231, 12 Inch Digital Caliper, Digital Caliper, Caliper

Item 58231-UPC 193175498052

12 in. Digital Caliper

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58231-193175498052
Owner's Manual & Safety Instructions

Save This Manual Keep this manual for the safety warnings and precautions, assembly,

operating, inspection, maintenance and cleaning procedures. Write the product's serial number in the

back of the manual near the assembly diagram (or month and year of purchase if product has no number).

Keep this manual and the receipt in a safe and dry place for future reference.

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Visit our website at: http://www.harborfreight.com Email our technical support at: productsupport@harborfreight.com

When unpacking, make sure that the product is intact and undamaged. If any parts are missing or broken,
please call 1-888-866-5797 as soon as possible.
Copyright© 2022 by Harbor Freight Tools®. All rights reserved. No portion of this manual 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 manual 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.

Read this material before using this product. Failure to do so can result in serious injury. SAVE THIS MANUAL.

Specifications
Display Units Accuracy Display Power Supply

Inches & Millimeters ±0.001" (0.03mm) 0.0005" (0.01mm) 1.5V LR44 (Included)

Important Safety Information
1. CONTAINS BUTTON BATTERY. Keep out of your child's reach. Discard button batteries carefully. Do not allow children to play with devices that contain button batteries. This product is not a toy.
2. Wear ANSI-approved safety goggles during use.
3. Keep work area clean and well lit.

4. Do not operate when tired or when under the influence of alcohol, drugs or medication.
5. Use as intended only.
6. Inspect before every use; do not use if parts are loose or damaged.
7. Maintain product labels and nameplates. These carry important safety information. If unreadable or missing, contact Harbor Freight Tools for a replacement.

Components and Controls

in/mm Button

Lock Screw

Page 2

Prongs

ZERO Button

Battery Cover

OFF/ON Button

Thumb Knob

For technical questions, please call 1-888-866-5797.

Item 58231

Instructions

1. Push the OFF ON button to turn caliper on. 5. To measure inside of object, set the

2. To toggle measurement between inches and millimeters, press in/mm button.
3. With jaws closed, press ZERO to set readout to 0.
4. To measure outside of object, set the bottom prongs outside object being measured. Slide the jaws together until they gently contact the item.

top prongs inside object being measured. Spread prongs apart until they touch surface of object.
6. Press OFF ON button to turn Caliper off. Caliper also has an automatic OFF function.
7. Incorrect function of Caliper may indicate low battery. Follow Battery Removal and Replacement instructions on page 4.

Note: Replacement parts are not available.

Outside Measurement

Inside Measurement

Depth Measurement

Step Measurement

Item 58231

For technical questions, please call 1-888-866-5797.

Page 3

Maintenance and Servicing
Procedures not specifically explained in this manual must be performed only by a qualified technician.

Cleaning and Maintenance
1. Keep body face clean. Prevent liquid from getting into slider.
2. Face should be cleaned with a clean, dry, lint-free cloth.
Note: Do not clean with acetone or alcohol.

3. Lubricate body with a few drops of clock oil.
4. Keep battery compartment clean and free of corrosion.

Battery Removal and Replacement

1. Open battery compartment

4. Keep batteries out of reach of children.

to right of display.

Keep batteries in original package until

2. Remove battery.
3. Install new SR44 battery positive (flat) side up, and slide Battery Cover back into place.

ready to use. Discard used batteries immediately. Do not allow children to play with devices containing batteries.

Page 4

For technical questions, please call 1-888-866-5797.

Item 58231

Troubleshooting

Problem
Every second 5 digits jump simultaneously.

Possible Causes Low Battery.

Display cannot Faulty Circuit. count.

Display shows 000.00 or IN 00.000

Function button springs misaligned.

Reading error for full length is  0.1 mm

Sensor may be obstructed.

Possible Solutions Replace Battery.
Remove Battery, wait 30 seconds, and replace Battery. Have qualified technician service Caliper.
Have qualified technician service Caliper.

No display on LCD screen.

1. Poor battery contact. 1. Remove Battery from Compartment. Clean Battery Compartment and replace Battery.

2. Low Battery.

2. Replace Battery.

Follow all safety precautions whenever diagnosing or servicing the tool. Remove battery before service.

Item 58231

For technical questions, please call 1-888-866-5797.

Page 5

Parts List and Diagram PLEASE READ THE FOLLOWING CAREFULLY

THE MANUFACTURER AND/OR DISTRIBUTOR HAS PROVIDED THE PARTS DIAGRAM IN THIS MANUAL AS A REFERENCE TOOL ONLY. NEITHER THE MANUFACTURER NOR DISTRIBUTOR MAKES ANY REPRESENTATION OR WARRANTY OF ANY KIND TO THE BUYER THAT HE OR SHE IS QUALIFIED TO MAKE ANY REPAIRS TO THE PRODUCT OR THAT HE OR SHE IS QUALIFIED TO REPLACE ANY PARTS OF THE PRODUCT. IN FACT, THE MANUFACTURER AND/OR DISTRIBUTOR EXPRESSLY STATES THAT ALL REPAIRS AND PARTS REPLACEMENTS SHOULD BE UNDERTAKEN BY CERTIFIED AND LICENSED TECHNICIANS AND NOT BY THE BUYER. THE BUYER ASSUMES ALL RISK AND LIABILITY ARISING OUT OF HIS OR HER REPAIRS TO THE ORIGINAL PRODUCT OR REPLACEMENT PARTS THERETO, OR ARISING OUT OF HIS OR HER INSTALLATION OF REPLACEMENT PARTS THERETO.

Parts List

Part 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

Description Beam Slide LCD Display Depth Measure Down Baffle Screw Top Baffle Back Label Underlay Sensor Plant Scale Reed Screw Pin Roller Wheel Screw

Qty. 1 1 1 1 1 2 1 1 2 1 1 1 1 2 1 5

Record Product's Serial Number Here: __________________________________________
Note: If product has no serial number, record month and year of purchase instead.
Note: Some parts are listed and shown for illustration purposes only, and are not available individually as replacement parts. Specify UPC 193175498052 when ordering parts.

Page 6

For technical questions, please call 1-888-866-5797.

Item 58231

Assembly Diagram

Item 58231

For technical questions, please call 1-888-866-5797.

Page 7

Limited 90 Day Warranty
Harbor Freight Tools Co. makes every effort to assure that its products meet high quality and durability standards, and warrants to the original purchaser that this product is free from defects in materials and workmanship for the period of 90 days from the date of purchase. This warranty does not apply to damage due directly or indirectly, to misuse, abuse, negligence or accidents, repairs or alterations outside our facilities, criminal activity, improper installation, normal wear and tear, or to lack of maintenance. We shall in no event be liable for death, injuries to persons or property, or for incidental, contingent, special or consequential damages arising from the use of our product. Some states do not allow the exclusion or limitation of incidental or consequential damages, so the above limitation of exclusion may not apply to you. THIS WARRANTY IS EXPRESSLY IN LIEU OF ALL OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS. To take advantage of this warranty, the product or part must be returned to us with transportation charges prepaid. Proof of purchase date and an explanation of the complaint must accompany the merchandise. If our inspection verifies the defect, we will either repair or replace the product at our election or we may elect to refund the purchase price if we cannot readily and quickly provide you with a replacement. We will return repaired products at our expense, but if we determine there is no defect, or that the defect resulted from causes not within the scope of our warranty, then you must bear the cost of returning the product. This warranty gives you specific legal rights and you may also have other rights which vary from state to state.
26677 Agoura Road · Calabasas, CA 91302 · 1-888-866-5797



References

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