Euro Physics News 54-2 | Page 25

VD800 Compact vacuum meters . On the road to the future .
Open Science Cloud FEATURES
ADVERTORIAL effort . This drives a virtuous circle between human and machine classification , but the human effort still maintains advantages over machines , not just in being able to identify or classify items that are too rare to train machine learning for , but also in being able to take a step back and “ un-ask ” the fundamental question or task ( Figure 1 ).
As with any scientific tool , there is a craft to doing citizen science well . For a project to be successful the classification task often needs to be visually attractive , and the research must be manifestly important – because after all you ’ re asking a hundred thousand people to work for you , so it had better be worthwhile . Often , the simpler volunteer workflows get more engagement . Most importantly , the academic team need to be prepared to put in the time to engage in online forums with their volunteers , and they will need to clean the data when it arrives . It ' s also worth keeping in mind what the volunteer rewards and motivations could be . Could a discovery make the volunteer famous ? Volunteers may also value being named on a NASA or ESA website more than ( for example ) being a co-author on an academic paper .
Ultimately , we would like all researchers working in the European Open Science Cloud to consider this daunting but thrilling question : what would you like a hundred thousand people to do for you ? n
About the Author
Stephen Serjeant is Professor of Astronomy at the Open University . Besides his work in star-forming galaxies , strong gravitational lensing and infrared astronomy , he has long-standing interests in open science , citizen science and machine learning . He wrote the advanced undergraduate / postgraduate textbook , Observational Cosmology , and has co-written several other books .
Acknowledgements
SS has been supported by the ESCAPE project . ESCAPE - The European Science Cluster of Astronomy & Particle Physics ESFRI Research Infrastructures has received funding from the European Union ’ s Horizon 2020 research and innovation programme under Grant Agreement no . 824064 .
References
[ 1 ] Ackermann et al ., Astrophysical Journal 840 ( 2017 ), article id . 43 [ 2 ] Daylan et al ., Physics of the Dark Universe 12 , 1 ( 2016 )
[ 3 ] H . Dickinson et al ., Monthly Notices of the Royal Astronomical Society 517 , 5882 ( 2022 )
[ 4 ] Luczak-Roesch et al ., International AAAI Conference on Web and Social Media ( 2014 )
[ 5 ] Oesterlund et al ., Academy of Management Annual Meeting Proceedings ( 2017 )
VD800 Compact vacuum meters . On the road to the future .
Clean design , intuitive menu navigation , large data logger and precise measurement results – with its new VD800 series Thyracont Vacuum Instruments is on the road to the future , consistently concentrating on the users ’ needs .
The VD800 vacuum meters measure absolute pressure in a large range of 2000 to 5e-5 mbar and additionally relative pressure in the range of -1060 to + 1200 mbar . Their big graphic display shows current measurement values and pressure graphs as well as minimum and maximum pressure . The 4 + 1 membrane keypad provides a comfortable , menudriven operation . An integrated data logger saves multiple measurement series with their RTC data . With sampling rates from 50 ms to 60 s the instruments are not only of interest for fast vacuum processes but also for long-term monitoring .
For charging the devices via USB-C interface , a standard power supply is sufficient . Also , the USB-C interface – or optional Bluetooth ® LE for wireless data transfer – allows a direct read-out of the measured data and the export of measurement series stored in the data logger .
Mobile use or permanent installation : The VD800 vacuum meters can be connected to vacuum pumps or plants , linked to external sensors or directly placed into vacuum chambers . The compact VD800 series is perfect for service use , quality control and maintenance work or for leakage testing via rising-pressure method .
Thyracont will present the new VD800 series at Hannover Messe hall 13 , booth C77 .
For more information , contact :
Thyracont Vacuum Instruments https :// thyracont-vacuum . com / en Phone : + 49 851 95986-0
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