Verifying 1 mW 50 MHz Power Reference Output SWR
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 […]
Stating Best Uncertainties Over a Range of Values
by David Deaver The Guides to Measurement Uncertainty (GUMs) give very prescriptive methods for calculating measurement uncertainty at individual points. Some laboratories undertake the calculation of uncertainty at many points and state them in their […]
An Uncertainty Analysis for a Positive Displacement Liquid Flow Calibrator Using the Water Draw Technique
by Wesley B. England This paper is an uncertainty analysis performed by the Liquid Flow Lab of the Army Primary Standards Laboratory (APSL) for the calibration of positive displacement piston prover using a volumetric water […]
Yokogawa Announces WT300 Digital Power Meters
Yokogawa announces its latest family of Digital Power Meters, the WT300 series. This new addition to Yokogawa’s highly recognized digital power analyzer product line is the 5th generation of its high performance, low cost product […]
Lista Foam Drawer Liners for Protection, Identification and Control of Valuable Instruments and Equipment
Controlled Item Location of Medical Instruments and Equipment Lista International Corporation introduces its Foam Drawer Liners—the perfect solution for protecting, identifying and controlling valuable instruments and equipment. Lista’s shadowed foam drawer insert liners make empty […]
Carl Zeiss Industrial Metrology Acquires HGV Vosseler
Carl Zeiss strengthens its position as a solutions provider in the automotive industry and acquires HGV Vosseler GmbH & Co. KG With the acquisition of HGV Vosseler GmbH & Co. KG in Öhringen, Germany, Carl […]
Yokogawa Announces New Optical Wavelength Meter
For well over a decade, Yokogawa has been one of the global market leaders in optical wavelength instruments, with the company’s line of quality and innovative optical spectrum analyzers (OSA). We are building off our […]
Metrology 101: Millimeter Wave Connector Care
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 […]