Application notes
Read practical notes on instrument selection, calibration planning, gas monitoring, and field measurement documentation.
2026-09-07 by Marcus Feld
An instrument buyer and calibration coordinator shares hard-won lessons from a testo temperature and humidity data logger, a testo HVAC multimeter, gas leak detector checks, a pH meter manual, and a first-line Rice Lake load cell test.
Continue reading2026-09-04 by Marcus Feld
A practical, scenario-based decision guide for handling faulty measurement equipment—from Testo thermometers and multimeters to level transmitters and Rice Lake load cells. Written from a quality manager’s perspective.
Continue reading2026-09-04 by Marcus Feld
A quality manager explains why 68% of returned instruments pass calibration, and why baseline verification fixes false readings from Testo 616 moisture meters, 87V multimeters, centrifuges, and HPLC Agilent column decisions.
Continue reading2026-09-03 by Marcus Feld
A purchasing manager for an HVAC-R company explains how a cheaper alternative to the testo 316-2 gas leak detector nearly cost his company a $420,000 cold-storage contract — and what that taught him about true total cost.
Continue reading2026-09-03 by Marcus Feld
An administrative buyer explains why she standardized on testo air quality monitors, why she didn’t buy the TG267 thermal camera, what the testo 310 O2 sensor replacement price taught her, and how to read a Rice Lake weighing systems calibration sheet.
Continue reading2026-09-02 by Marcus Feld
No universal tool? Correct. This guide breaks down when a testo 104 thermometer, a testo 860i thermal imaging camera, a 10 multimeter, or a micrometer head makes sense—and why thermal cameras can't see through glass.
Continue reading2026-09-02 by Marcus Feld
A purchasing manager's seven-step checklist for buying a testo thermal camera or handheld infrared thermometer: verify authorized dealers, check calibration docs, calculate real cost, and plan the software workflow.
Continue reading2026-08-31 by Marcus Feld
A quality control manager explains when to choose dedicated instruments like the Testo 320 O2 sensor, moisture meters, and DGS35 encoders over general-purpose electrical tools, with a practical breakdown of the Klein vs Fluke multimeter choice.
Continue reading2026-08-31 by Marcus Feld
A practical buying guide for temperature data loggers, handheld thermometers, thermal cameras, and oscilloscopes—from someone who made every mistake so you don't have to.
Continue reading2026-08-31 by Marcus Feld
A procurement veteran shares 34 documented instrument buying mistakes and the checklist that finally stopped the waste. Covers Testo 310 and Testo 300 O2 sensors, ID micrometers, absolute encoders, and choosing the right Fluke multimeter.
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