Facility for production of ambient-like model aerosols (PALMA) in the laboratory: application in the intercomparison of automated PM monitors with the reference gravimetric method [PDF]
Atmospheric Measurement Techniques, 2021 A new facility has been developed which allows for a stable and reproducible production of ambient-like model aerosols (PALMA) in the laboratory. The set-up consists of multiple aerosol generators, a custom-made flow tube homogeniser, isokinetic sampling
S. Horender +11 more
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PDF/A-3 solution for digital calibration certificates
Measurement: Sensors, 2021 The digitalization of metrology poses a challenge to all members of the metrology community. We propose an approach for digital calibration certificates (DCCs) based on a PDF/A-3 solution that could be a stepping-stone towards the digitalization of ...
Gregor Boschung +9 more
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Improving the characterization of a pressure gauge setup by condition monitoring
Measurement: Sensors, 2021 Application of condition monitoring and anomaly detection have recently become more popular in Metrology. We implemented a condition monitoring system in an existing pressure balance setup using historical data containing anomalies.
Christian Wüthrich +2 more
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Traceability of the Micro Scale Pipe Viscometer for Traceable Calibration of Dynamic Viscosity
Applied Sciences, 2023 Calibration of flow devices is important in several areas of pharmaceutical, flow chemistry and microfluidic applications where dosage of process liquids or accurate measurement of flow rate is important.
Stefanie Neuhaus +3 more
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Applied Sciences, 2021 This work builds upon previous efforts at calibrating PM (particulate matter) monitors with ambient-like aerosols produced in the laboratory under well-controlled environmental conditions at the facility known as PALMA (Production of Ambient-like Model ...
Stefan Horender +3 more
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Brief overview of the future of metrology
Measurement: Sensors, 2021 This position paper opens the discussion about the term digital metrology, the underlying digital trends and the activities related to the digitalization of metrology.
Federico Grasso Toro, Hugo Lehmann
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Vibrio-Sequins - dPCR-traceable DNA standards for quantitative genomics of Vibrio spp
BMC Genomics, 2023 Background Vibrio spp. are a diverse group of ecologically important marine bacteria responsible for several foodborne outbreaks of gastroenteritis around the world.
Sabrina Flütsch +4 more
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On-line performance assessment for improved sensor data aggregation in power system metrology
Measurement: Sensors, 2021 Modern power systems rely on distributed sensor networks for many condition monitoring applications. In this context, phasor measurements are typically acquired at each sensitive network node and then aggregated at local or central level in order to ...
Guglielmo Frigo, Federico Grasso Toro
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Long-range fiber-optic earthquake sensing by active phase noise cancellation
Scientific Reports, 2023 We present a long-range fiber-optic environmental deformation sensor based on active phase noise cancellation (PNC) in metrological frequency dissemination. PNC sensing exploits recordings of a compensation frequency that is commonly discarded.
Sebastian Noe +4 more
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State of the Art of Tactile Micro Coordinate Metrology
Applied Sciences, 2016 Micro parts are increasingly found in a number of industrial products. They often have complex geometrical features in the millimeter to micrometer range which are not accessible or difficult to measure by conventional coordinate measuring machines or by
Rudolf Thalmann, Felix Meli, Alain Küng
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