Author Archives: Khanh Nguyen

Gage Block Calibration: ISO 3650 Grades, Thermal Soak, and Recalibration Intervals

How gage blocks are calibrated: ISO 3650 grades K/0/1/2, comparison vs interferometry, why 20 C...

LISN Calibration: Impedance Verification for CISPR 16-1-2 and FCC Part 15

A LISN's impedance — not its attenuation — is the reference in a conducted-emissions test....

Dimensional Calibration

ISO/IEC 17025 • NIST-TRACEABLE Dimensional Calibration Accredited, NIST-traceable dimensional calibration with a full uncertainty budget...

10 Tips for an Audit-Ready Calibration Program

By Khanh Nguyen, Marketing Manager·Reviewed by Techmaster metrology team·2026-07-11 Quick answer: An audit-ready calibration program...

Accredited vs NIST-Traceable Calibration

By Khanh Nguyen, Marketing Manager·Reviewed by Techmaster metrology team·2026-07-11 Quick answer: NIST-traceable calibration means the...

Accuracy vs Precision vs Resolution in Calibration

By Khanh Nguyen, Marketing Manager·Reviewed by Techmaster metrology team·2026-07-11 Quick answer: Accuracy is how close...

Calibration vs Verification vs Validation

By Khanh Nguyen, Marketing Manager·Reviewed by Techmaster metrology team·2026-07-11 Quick answer: Calibration measures and documents...

How Often Should You Calibrate a Torque Wrench?

By Khanh Nguyen, Marketing Manager·Reviewed by Techmaster metrology team·2026-07-11 Quick answer: Most manufacturers and quality...

How Often Should You Calibrate Gas Detectors?

By Khanh Nguyen, Marketing Manager·Reviewed by Techmaster metrology team·2026-07-11 Quick answer: Portable gas detectors should...

How to Choose a Calibration Lab

By Khanh Nguyen, Marketing Manager·Reviewed by Techmaster metrology team·2026-07-11 Quick answer: Choose a calibration lab...