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A TRANSPORTABLE REFRACTOMETER FOR ASSESSMENT OF PRESSURE IN THE KPA RANGE WITH PPM LEVEL PRECISION
Umeå University, Sweden.
Umeå University, Sweden.
RISE Research Institutes of Sweden, Säkerhet och transport, Mätteknik.ORCID-id: 0009-0003-2881-425X
RISE Research Institutes of Sweden, Säkerhet och transport, Mätteknik.ORCID-id: 0000-0003-4385-4404
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2020 (Engelska)Ingår i: Acta IMEKO, ISSN 2221-870X, Vol. 9, nr 5, s. 287-292Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

A transportable refractometer for assessment of kPa pressures with ppm level precision is presented. It is based on the GAs MOdulation Refractometry (GAMOR) methodology, making it resistant to fluctuations and drifts. At the National Metrology Institute at RISE, Sweden, the system assessed pressures in the 4.3 - 8.7 kPa range with sub-ppm precision (0.5 - 0.9 ppm). The system was thereafter disassembled, packed, and transported 1040 km to Umeå University, where it, after unpacking and reassembling, demonstrated a similar precision (0.8 - 2.1ppm). This shows that the system can be disassembled, packed, transported, unpacked, and reassembled with virtually unchanged performance. 

Ort, förlag, år, upplaga, sidor
2020. Vol. 9, nr 5, s. 287-292
Nyckelord [en]
Refractometry; Pressure; GAMOR; Transportable
Nationell ämneskategori
Naturvetenskap
Identifikatorer
URN: urn:nbn:se:ri:diva-51980OAI: oai:DiVA.org:ri-51980DiVA, id: diva2:1519754
Anmärkning

This project (QuantumPascal, 18SIB04) has received funding from the EMPIR programme co-financed by the Participating States and from the European Union's Horizon 2020 research and innovation programme. The authors acknowledge supportfrom the Swedish Research Council (VR) (ProjectNo. 621-2015-04374); the Umeå University Industrial Doctoral School (IDS); the Vinnova MetrologyProgramme (Project Nos. 2018-04570 and 2019-05029); and the Kempe Foundations (Project No.1823, U12).

Tillgänglig från: 2021-01-19 Skapad: 2021-01-19 Senast uppdaterad: 2024-05-22Bibliografiskt granskad

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Szabo, DavidJönsson, GustavBjerling, MartinZelan, Martin

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