Measurement notes

Field briefs for defensible test records.

These notes are written for engineers who need practical measurement decisions: what to document, which conditions change the reading, and how to keep the service record close to the instrument history.

Technical note

Your Digital Instruments Are Lying: A Quality Manager's $22,000 Lesson

2026-09-16 Marcus Feld

A quality manager explains why cheap test instruments, digital calipers, and multimeters can hide costly measurement errors—and why a total cost of ownership approach with Hioki digital multimeters, clamp meters, and infrared thermometers gives quality teams confidence on single pressure sensors & transmitters.

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