Author Archives: Khanh Nguyen

Proficiency Testing in ISO/IEC 17025 Calibration Labs: Proving the Numbers
July 7, 2026 | Blog

Proficiency testing and interlaboratory comparisons are how an ISO/IEC 17025 calibration lab proves its measurements...

How to Set and Adjust Calibration Intervals: A Reliability-Based Guide
July 6, 2026 | Blog

Who sets calibration intervals, how to adjust them with End-of-Period Reliability data, and how to...

How to Read an ISO/IEC 17025 Calibration Certificate (Quality Manager’s Guide)
July 3, 2026 | Blog

Learn how to read an ISO/IEC 17025 calibration certificate: the 12 required elements, as-found vs...

Test Uncertainty Ratio (TUR) and Decision Rules: How to Read Pass/Fail on a Calibration Certificate
July 3, 2026 | Blog

What test uncertainty ratio (TUR) means, why 4:1 matters, and how ILAC-G8 decision rules and...

Out-of-Tolerance Calibration Results: What They Mean and What to Do Next
July 2, 2026 | Blog

An out-of-tolerance (OOT) calibration result is not a crisis — it is a process. Learn...

How Often Should You Calibrate a Keysight ECal Module? A Recalibration Interval Guide
June 26, 2026 | Blog

Most manufacturers specify a 12-month recalibration interval for an ECal (electronic calibration) module, and sooner...

On-Site NIST Certification: Calibrate Your Cold-Storage Monitoring Without Downtime
June 21, 2026 | CALIBRATION

Techmaster certifies your hospital fridge and freezer monitoring on-site — NIST-traceable, ISO/IEC 17025 accredited, no...

ECal Module Calibration: An Accredited, Fast Alternative for Your Electronic Calibration Modules
June 20, 2026 | Blog

ECal (electronic calibration) module calibration re-characterizes the impedance standards stored inside a VNA ECal module...

Multitest Digital Indicator Calibration: Fixing Torque Drift
June 3, 2026 | ELECTRICAL

Metrology guide · ISO/IEC 17025 · ANAB-accredited Multitest Digital Indicator Calibration… Multitest Digital Indicator Calibration...

Function Generator Calibration: Complete ISO 17025 Guide
June 2, 2026 | ELECTRICAL

Metrology guide · ISO/IEC 17025 · ANAB-accredited Function Generator Calibration Function Generator Calibration verifies a...