Author Archives: Khanh Nguyen
Air Buoyancy Correction in Mass Calibration: Altitude, Density and Real Error Budgets
Air buoyancy correction explained with the NIST SOP 2 formula: how altitude and artifact density...
Calibration Decision Rules and Guardbanding Explained
A decision rule turns a measured value plus its uncertainty into pass or fail. How...
Rogowski Coil Calibration: Why Flexible AC Current Probes Drift
Rogowski coil calibration verifies the coil and its integrator as one system. Here is why...
RF Voltmeter Calibration: ISO/IEC 17025 Guide
RF Voltmeter Calibration: ISO/IEC 17025 Step-by-Step Guide In high-frequency communications, aerospace radar, and semiconductor manufacturing,...
How to Calibrate a DC Electronic Load: ISO/IEC 17025 Guide
How to Calibrate a DC Electronic Load: ISO/IEC 17025 Step-by-Step Engineers need precise power absorption...
Intermediate Checks Between Calibrations: ISO/IEC 17025 Clause 6.4.10
Intermediate checks confirm equipment has not drifted between scheduled calibrations. How to scope, schedule, set...
How Often Calibrate Cable & Antenna Analyzer?
Cable & Antenna Analyzer FAQ: Calibration Intervals, Accuracy & Compliance In commercial wireless telecommunications, aerospace...
Cleanroom Recovery Test (ISO 14644-3): Is It Required and How Is It Performed?
ISO 14644-1 classification does not require a cleanroom recovery test. Here is where the recovery...
Rent vs Buy Handheld Digital Multimeter: A Guide for Labs
Rent vs Buy Handheld Digital Multimeter: What Makes Sense for Your Lab? Equipping an industrial...
How to Use a Cable & Antenna Analyzer?
How to Use a Cable & Antenna Analyzer: Setup, Operation & Best Practices For RF...