by Michael Schwartz Many calibration labs are starting to calibrate power sensors or looking to increase their capabilities and frequency range. In this Metrology 101 we are hoping to help some calibration labs improve their […]
by Jesse Morse If a person making a dc or low frequency measurement fails to select the proper cables, or to properly connect the shields the traceability chain for that measurement can be violated. This […]
By Tom Morgan A method is derived for calculating the resistance tolerances for non-linear resistance scales, whose accuracy tolerances are given in degrees of arc instead of percent of reading or range. Read the Full […]
by Michael Schwartz Today’s new high dynamic range power sensors are not built the same as the older generations of sensors. Older generations of power sensors only had a correction table for their frequency response. […]
by Edward Morrell High-speed clearance sealed piston provers for measuring gas flow rates have been available for over twenty years and have gained wide acceptance as a fast, cost-effective, primary calibration instrument for gas flow. […]
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 […]
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 […]
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 […]
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