September 19, 2023 The two national organizations responsible for how every product in the economy is weighed and measured have forged a historic agreement outlining how they will work together to serve manufacturers and customers […]
Calculating TAI is a major resource for determining Coordinated Universal Time (UTC), the shared international reference time scale that countries worldwide use to synchronise clocks. Without UTC in place as the world’s agreed consistent time-base, […]
A vacuum chamber is never perfectly empty. A small number of atoms or molecules always remain, and measuring the tiny pressures they exert is critical. For instance, semiconductor manufacturers create microchips in vacuum chambers that […]
PTBnews 2.2023 As part of preparations for pilot projects in which private households will be supplied with hydrogen via the normal natural gas grid, PTB investigated whether the devices currently used for natural gas metering […]
PTBnews 2.2023 At PTB’s Competence Center for Photovoltaics, a new measuring facility has been developed with which the performance of solar modules under standard test conditions can be determined with much greater accuracy compared to […]
PTBnews 2.2023 A method for calculating the simulation uncertainty of a virtual ultrasonic flowmeter has been developed in PTB’s VirtMet Competence Center. This method allows calibration factors relevant to fluid mechanics to be calculated for […]
PTB-News 1.2023 – Real-time capable controlling and monitoring systems are necessary when it comes to ensuring the stability of future electrical distribution and transmission grids. Also required are meters that can accurately and with high […]
Researchers at NIST have developed a new — and sound — way to accurately measure the rate at which gas flows in and out of a vessel. The technique, which uses acoustic waves to determine […]
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