Metrology 101

Verifying 1 mW 50 MHz Power Reference Output SWR

February 19, 2013 Office

by Charles Sperrazza Verification of the Standing Wave Ratio (SWR) of the 50 MHz 1 mW output power reference is a key step in performing a calibration of a RF power meter. Higher than desired […]

Metrology 101: Millimeter Wave Connector Care

November 9, 2012 Office

by Agilent Technologies Connectors, adapters, and calibration standards in the millimeter-wave frequency range (26 GHz to 70 GHz) are VERY expensive. Although all connectors eventually wear, with knowledge, care, and proper technique, you can easily […]

Calibrating DC Shunts: Techniques and Uncertainties

July 25, 2012 Office

By Jay Klevens Accurate electrical current measurement is critical to the power and electrical test industries. DC and low frequency ac current is usually measured using a current shunt. Shunt calibration has unique error sources […]

Watch Out for Those Thermoelectric Voltages!

May 22, 2012 Office

By Martin L. Kidd This Metrology 101 article addresses the impact of thermoelectric voltage (EMF) on low-voltage measurements. Using a high precision digital multimeter, the author demonstrates how you can inadvertently introduce thermal EMF errors. […]

Verifying 1 mW 50 MHz Power Reference Output SWR

Metrology 101: Millimeter Wave Connector Care

Calibrating DC Shunts: Techniques and Uncertainties

Watch Out for Those Thermoelectric Voltages!

Metrology 101: Calibrating 1 mW 50 MHz Power Reference Output

Metrology 101: Preparation and Use of an Ice-Point Bath

Infrared Thermometer Calibration

Metrology 101: How to Calibrate a Single Channel Adjustable Volume Pipette