Calipers
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About Calipers
Calipers are precision measuring tools for accurately gauging the dimensions of aircraft components, parts, and assemblies — from brake disc thickness and engine part diameters to the tolerances of safety-critical hardware. Digital models offer quick, easy-to-read measurements for routine inspections, while traditional vernier calipers provide versatile coverage across a broader range of maintenance tasks.
PJi® offers a selection of calipers, including electronic digital calipers, from leading manufacturers like Test Products International (TPI) – built to the accuracy standards that detailed aircraft maintenance demands.
Our knowledgeable aviation specialists can help you find the right caliper for your maintenance needs. Call, email, or chat with us today!
Need Your Calipers Professionally Calibrated?
PJi's ISO/IEC 17025-accredited calibration lab in New Bern, NC, provides professional caliper calibration services as well as a full range of calibration services for aircraft maintenance tools and test equipment — all backed by traceable, fully documented results and the independent verification required for regulatory compliance. From dimensional calibration to torque, pressure, electrical, and temperature instruments, our certified technicians keep your entire tool inventory within spec and your operation in compliance. Request a calibration quote to get started, or read our overview of ISO/IEC 17025 accreditation to learn what accreditation means for calibration labs and the industries they serve.
Frequently Asked Questions
What are electronic digital calipers used for in aircraft maintenance?
Electronic digital calipers measure the internal and external dimensions of aircraft components, such as engine parts or structural fittings. They provide fast, accurate readings, helping technicians ensure that all parts fit together perfectly.
How do fractional electronic digital calipers differ from standard ones?
Fractional digital calipers display measurements in both fractional and decimal units, providing more versatility in reading dimensions. This is particularly useful when working with different specifications that require various unit systems.
What materials can electronic digital calipers measure?
Electronic digital calipers can measure a wide range of materials, including metals, plastics, and composites. In aircraft maintenance, they are typically used for measuring metal components, ensuring precision in structural integrity.
How are digital calipers helpful in verifying part dimensions?
Digital calipers provide quick, accurate measurements of both inside and outside dimensions, as well as depth and step measurements. This helps technicians confirm that parts meet the necessary tolerances and specifications for safe operation.
Are electronic calipers more accurate than mechanical ones?
Electronic calipers are generally easier to read and offer more precise measurements, often down to 0.0005 inches or 0.01 mm. Their digital display eliminates reading errors, making them more reliable in critical aircraft maintenance tasks.
Can digital calipers store or export data?
Many electronic digital calipers come with data output options, allowing measurements to be transferred to computers or maintenance systems. This feature is beneficial for record-keeping and ensuring compliance with regulatory standards.
