Application notes
Read practical notes on instrument selection, calibration planning, gas monitoring, and field measurement documentation.
2026-07-10 by Marcus Feld
A personal account of a costly mistake with a third‑party O2 sensor for a Testo 320, and why paying more for genuine parts and guaranteed delivery saved me in the long run. Includes lessons for data loggers, laser distance meters, and even mitutoyo calipers.
Continue reading2026-07-09 by Marcus Feld
A practical, experience-based guide for B2B buyers choosing between thermal imagers, data loggers, multimeters, and moisture meters. Covers TCO, calibration, and when a lower-spec tool is the smarter buy.
Continue reading2026-07-09 by Marcus Feld
A personal account of how a rigid preference for one brand of measurement tools (like Testo) versus another (like Ifm) led to expensive errors, and why a flexible, task-based approach is the real no-brainer for small and large teams.
Continue reading2026-07-08 by Marcus Feld
Get practical, no-nonsense answers to common questions about testo thermometers, gas detectors, and flow meters. Includes insights on specs, cost, and quality that most reviews miss.
Continue reading2026-07-08 by Marcus Feld
An honest look at why cutting corners on measurement tools like instruments from testo can lead to significant hidden costs. A purchasing professional shares a costly mistake.
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