Owner's Manual & Safety Instructions
PITTSBURGH 12" Digital Caliper
Introduction
Keep this manual for safety warnings, precautions, assembly, operating, inspection, maintenance, and cleaning procedures. Record the product's serial number or month/year of purchase in the designated space for future reference. Store this manual and receipt in a safe, dry place.
WARNING: Read this material before using this product. Failure to do so can result in serious injury. SAVE THIS MANUAL.
Visit Harbor Freight Tools website at: http://www.harborfreight.com
Email technical support at: productsupport@harborfreight.com
Upon unpacking, ensure the product is intact and undamaged. If any parts are missing or broken, call 1-888-866-5797 immediately.
Copyright © 2023 by Harbor Freight Tools®. All rights reserved. No portion of this manual may be reproduced without express written consent. Diagrams may not be drawn proportionally. Actual product may differ due to improvements.
Image Description: A photograph of the Pittsburgh 12" Digital Caliper, showing its jaws open with a measurement displayed on the digital screen. The caliper is made of stainless steel and has a digital display, buttons, and a thumb wheel for adjustment.
Specifications
| Display Units | Inches & Millimeters |
|---|---|
| Accuracy | ±0.001" (0.03mm) |
| Display | 0.0005" (0.01mm) |
| Battery | 1.5V LR44 (Included) |
Important Safety Information
- Wear ANSI-approved safety goggles during use.
- Keep work area clean and well lit.
- Do not operate when tired or under the influence of alcohol, drugs, or medication.
- Use as intended only.
- Inspect before every use; do not use if parts are loose or damaged.
- Maintain product labels and nameplates. Contact Harbor Freight Tools for replacements if unreadable or missing.
Button/Coin Battery Warnings
INGESTION HAZARD: This product contains a button cell or coin battery.
This symbol means: INGESTION HAZARD: This product contains a button cell or coin battery.
- Immediately dispose of used batteries and keep away from children. Do NOT dispose of batteries in household trash.
- Even used batteries may cause severe injury or death.
- Call a local poison control center for treatment information.
- Do not mix old and new batteries, different brands or types of batteries (e.g., alkaline, carbon-zinc, rechargeable).
- Ensure batteries are installed correctly according to polarity (+ and -).
- Remove and immediately discard batteries from equipment not used for an extended period.
- Non-rechargeable batteries are not to be recharged.
- Do not force discharge, recharge, disassemble, heat above 158°F (70°C), or incinerate. Doing so may result in injury due to venting, leakage, or explosion.
Components and Controls
Image Description: A diagram of the Pittsburgh 12" Digital Caliper with various parts labeled. Key components identified are: Prongs (for inside and outside measurements), in/mm Button (to switch units), Lock Screw (to secure the slide), ZERO Button (to reset the display), OFF/ON Button (to power the device), Battery Cover, and Thumb Knob (for fine adjustment).
- Prongs
- in/mm Button
- Lock Screw
- ZERO Button
- OFF/ON Button
- Battery Cover
- Thumb Knob
Instructions
- Install battery: Remove screw(s), open battery compartment, install LR44 battery with correct polarity, close compartment, and replace screw(s).
- Turn on caliper: Push the OFF/ON button.
- Toggle units: Press the in/mm button to switch between inches and millimeters.
- Zero the display: With jaws closed, press ZERO.
- Measure outside of object: Set the bottom prongs outside the object. Slide jaws together until they gently contact the item.
- Measure inside of object: Set the top prongs inside the object. Spread prongs apart until they touch the surface.
- Turn off caliper: Press the OFF/ON button. The caliper also has an automatic OFF function.
Image Description: Four diagrams illustrating different measurement types: "Outside Measurement" shows the caliper jaws gripping the outside of a spherical object. "Inside Measurement" shows the caliper's upper prongs inside a cylindrical object. "Depth Measurement" shows the caliper's depth rod extending into a hole. "Step Measurement" shows the caliper's top surface resting on one step and the slide resting on a lower step.
Maintenance and Servicing
Procedures not explained in this manual must be performed only by a qualified technician.
Cleaning and Maintenance
- Keep body clean. Prevent liquid from entering the slider.
- Clean the face with a clean, dry, lint-free cloth. Note: Do not use acetone or alcohol.
- Lubricate the body with a few drops of clock oil.
- Keep the battery compartment clean and free of corrosion.
Battery Removal and Replacement
- Remove screw(s) and open battery compartment.
- Remove battery and dispose of properly.
- Insert new LR44 battery with correct polarity, close compartment, and replace screw(s).
Note: Keep batteries out of reach of children. Keep batteries in original packaging until use. Discard used batteries immediately. Do not allow children to play with devices containing batteries.
Troubleshooting
| Problem | Possible Causes | Possible Solutions |
|---|---|---|
| Every second 5 digits jump simultaneously. | Low Battery. | Replace Battery. |
| Display cannot count. | Faulty Circuit. | Remove Battery, wait 30 seconds, and replace Battery. |
| Display shows 000.00 or IN 00.000 | Function button springs misaligned. | Have qualified technician service Caliper. |
| Reading error for full length is ≥ 0.1 mm | Sensor may be obstructed. | Have qualified technician service Caliper. |
| No display on LCD screen. | 1. Poor battery contact. 2. Low Battery. | 1. Remove Battery from Compartment. Clean Battery Compartment and replace Battery. 2. Replace Battery. |
Follow all safety precautions whenever diagnosing or servicing the tool. Remove battery before service.
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 regarding their qualification to make repairs or replace parts. All repairs and parts replacements should be undertaken by certified and licensed technicians. The buyer assumes all risk and liability arising from their repairs or installation of replacement parts.
| Part | Description | Qty. |
|---|---|---|
| 1 | Beam | 1 |
| 2 | Slide | 1 |
| 3 | LCD Display | 1 |
| 4 | Depth Measure | 1 |
| 5 | Down Baffled | 1 |
| 6 | Screw | 2 |
| 7 | Top Baffled | 1 |
| 8 | Back Label | 1 |
| 9 | Underlay | 2 |
| 10 | Sensor Plant | 1 |
| 11 | Scale | 1 |
| 12 | Reed | 1 |
| 13 | Screw | 1 |
| 14 | Pin | 2 |
| 15 | Roller Wheel | 1 |
| 16 | Screw | 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 193175507648 when ordering parts.
Image Description: An exploded view diagram of the Pittsburgh 12" Digital Caliper, showing all the individual parts and their assembly order, indicated by numbered labels corresponding to the parts list.
Limited 90 Day Warranty
Harbor Freight Tools Co. warrants this product to be free from defects in materials and workmanship for 90 days from the date of purchase for the original purchaser. This warranty does not apply to damage from misuse, abuse, negligence, accidents, unauthorized repairs or alterations, criminal activity, improper installation, normal wear and tear, or lack of maintenance. Harbor Freight Tools shall not be liable for death, injuries, or incidental, consequential, special, or punitive damages arising from product use. Some states may not allow limitations on incidental or consequential damages.
THIS WARRANTY IS EXPRESSLY IN LIEU OF ALL OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WARRANTIES OF MERCHANTABILITY AND FITNESS.
To claim warranty service, return the product with transportation charges prepaid, along with proof of purchase date and a description of the complaint. If the defect is verified, Harbor Freight Tools will repair or replace the product, or refund the purchase price if replacement is not readily available. Repaired products will be returned at Harbor Freight's expense. If no defect is found, or the defect is outside the warranty scope, the return shipping cost will be borne by the customer.
This warranty grants specific legal rights, and other rights may vary by state.
PITTSBURGH
26677 Agoura Road • Calabasas, CA 91302 • 1-888-866-5797
