Testing the reliability of humidity sensors through prolonged measurements traceable to calibration standards

Open Access

Numéro		2015 17^th International Congress of Metrology


Numéro d'article		15002
Nombre de pages		6
Section		Show thermique / Thermal show
DOI		https://doi.org/10.1051/metrology/20150015002
Publié en ligne		21 septembre 2015

Care Quality Commission ‘Time to listen in care homes’: Dignity and nutrition inspection programme(2012);http://www.cqc.org.uk/sites/default/files/media/documents/time_to_listen_-are_homes_man_report_tag.pdf [Google Scholar]
V. Cascioli, Z. Liu, A.I. Heusch, P.W. McCarthy (2011) ‘Settling down time following initial sitting and its relationship with comfort and discomfort. J. Tissue Viabil. (Nov), 20, 4 (2011) 121–29. [CrossRef] [Google Scholar]
G.P Nicholson, J.T. Scales, R.P. Clark, M.L. De Calcina-Goff, A method for determining the heat transfer and water vapour permeability of patient support systems J. Med. Engin.Phys 21 (1999) 701–712. [CrossRef] [Google Scholar]
M. Ferguson-Pell, H. Hirose, G. Nicholson, E. Call, Thermodynamic rigid cushion loading indenter: A buttock-shaped temperature and humidity measurement system for cushioning surfaces under anatomical compression conditions, J. Rehab. Res Dev. 46, 7 (2009) 945–56. [CrossRef] [Google Scholar]
T.W. Learning, Waterproof/breathable odor-resistant seat cover Patent US 6655735, (2003); http://www.google.co.uk/patents/US6655735 [Google Scholar]
P. Posada-Moreno, M.E. Losa Iglesias, R. Becerro de Bengoa Vallejo, I.O. Sorian, I. Zaragoza-García, C. Martínez-Rincón Influence of different bed support surface covers on skin temperature. Contemp Nurse. 39, 2 (2011) 206–20. [CrossRef] [PubMed] [Google Scholar]
S.I. Reger, V.K. Ranganathan, V. Sahgal, Support surface interface pressure, microenvironment, and the prevalance of pressure ulcers: an analysis of the literature Ostomy. Wound. Manag. 53, 10 (2007) 50–58. [Google Scholar]
R.H.M. Goossens, R. H. M. Long term blood perfusion when sitting on three different cushioning materials. Delft University of Technology, Faculty of Industrial Design Engineering, Landbergstraat 15, 2628 CE, Delft, the Netherlands Blood perfusion on three cushion (2006); http://www.ergo21.com/pdf/Blood_Perfusion_Study.pdf]. [Google Scholar]
R.I. Barnett, J.A. Ablarde, Skin vascular reaction to short durations of normal seating Arch. Phys. Med. Rehab. 76, 6 (1995) 533–540. [CrossRef] [Google Scholar]
J.Y. Kokate, K.J. Leland, A.M. Held, G.L. Hansen, G.L. Kveen, B.A. Johnson, M.S. Wilke, E.M. Sparrow, P.A. Iaizzo Temperature-Modulated Pressure Ulcers: A porceline Model.’ Arch. Phys. Med. Rehab. 76, 7 (1995) 666–673. [CrossRef] [Google Scholar]
M.J. Peterson, H.V. Adkins, Measurement and Redistribution of Excessive Pressures During Wheelchair Sitting: A Clinical Report. Physical Therapy, 62 (1982) 990–994. [Google Scholar]
H. Freeman, B.A. Lengyel, (1938) The effects if high humidity on skin temperature at cool and warm conditions, J. Nutr., 17, 1 (1938) 43–52. [Google Scholar]
S.O. Brattgard, K. Severinsson, Investigations of pressure, temperature and humidity in the sitting area in a wheelchair. In E. Asmussen & K. Jorgensen (Eds.), Biomechanics VI-B (1978) 270–273. Baltimore, MD: University Park Press. [Google Scholar]
G.V.B. Cochran, V. Palmieri, Development of test methods for evaluation of wheelchair cushions. Bul Pros Res. 17, 1 (1980) 9–30. [Google Scholar]
T.G. Cengiz, F.C. Babalik, An on-the-road experiment into the thermal comfort of car seats, App. Ergo. 38 (2007) 337–347. [Google Scholar]
L. Stockton, S. Rithalia. S. (2007) Pressure-reducing cushions: perceptions of comfort from the wheelchair user’s perspective using interface pressure, temperature and humidity measurements. J. Tissue Viabil., 18, 2 (2007) 28–35. [CrossRef] [Google Scholar]
P.W. McCarthy, Z. Liu, A.I. Heusch, V. Cascioli, Assessment of humidty and temperature sensors and their application to seating, J. Med. Engin. Tech., 33 (2009) 449–53 [CrossRef] [Google Scholar]
D. Bader, C. Bouten, D. Colin, C. Oomens, Pressure Ulcer Research: current and future perspectives. UK: Springer (2005). [CrossRef] [Google Scholar]
National Physical Laboratory ‘Good Practise Guide No. 124: The beginner’s guide to humidity measurement’, UK: Stephanie Bell (2012). [Google Scholar]
S. Solomon Sensors Handbook (2nd edn.). London: McCraw Hill (2009). [Google Scholar]
World Meteorological Organisation Guide to meteorological instruments and methodsofobservation:7^th edn(2008); http://www.pme.gov.sa/en/WMO%20References/008_CIMO_en.pdf]. [Google Scholar]
Y. Ding, Intelligent incontinence alarm device, WO2013185419A1.(2013); [Google Scholar]
J. Carney, A. Elfström and M. Bosaeus, Method and computer program for monitoring use of an absorbent product WO 2013095230 A1 (2013) [Google Scholar]
G. M. Ortega and M.J. Sciarra, 2012 Active on-patient sensor, method and system US20120119912A1,(2012) [Google Scholar]
R. Yonezawa, H. Ogawa, K. Mukai, K. Bioinformation detecting device of bed mattress (2009); Patent 2009–072396 [Google Scholar]
T.M. Ales, A.M. Long, C.R. Tomsovic, D.H. Nhan, S.A. Weber, and J.C. Cohen. (2010) Remote detection systems for absorbent articles. WO 2010076679A3(2010) [Google Scholar]
Z. Chen, C. Lu, Humidity Sensors: a review of materials and mechanisms Sensor Letters 3 (2005) 274–295. [CrossRef] [Google Scholar]
Y.F. Lin, T.I. Yeh, K.H. Chan, T.S. Chen, The automatic calibration system of humidity fixed points at CMS. Measurement, 19, 2 (1996) 65–71. [CrossRef] [Google Scholar]
D. K. Roveti, Choosing a humidity sensor:a review of 3 technologies Sensors,18 (2001) 54–58. [Google Scholar]
P. Su, R. Wu, (2004) Uncertainty of humidity sensors testing by means of divided-flow generator. Measurement, 36 (2004) 21–27. [CrossRef] [Google Scholar]
G. M. S. De Silva, Basic Metrology for ISO 9000 Certification, Butterworth-Heinmann. (2002). [Google Scholar]
United Kingdom Accreditation Service: ISO 17025(UKAS) (2013); http://www.ukas.org/calibration/aboutus.asp. [Google Scholar]
ISO 10012–1:1992 Quality assurance requirements for measuring equipment - Part 1: Metrological confirmation system for measuring equipment [Google Scholar]
T. Lu, C. Chen. Uncertainty evaluation of humidity sensors calibrated by saturated salt solutions. Measurement, 40 (2007) 591–599. [CrossRef] [Google Scholar]
R. Schellenberg, (2002), The Trouble with humidity: the hidden challenges of RH calibration, Veriteq instruments; http://www.vaisala.com/Vaisala%20Documents/White%20Papers/lsh-Trouble-with-Humidity.pdf [Google Scholar]
S. Cavlier, S. (2012) ‘White Paper: Relative humidity sensor behaviour and care’ (2012). Colarado: Delmhorst Instrument Co.; http://www.delmhorst.com/Documents/PDFs/Product-Support/White-Paper-Relative-Humidity-SensorBehavior-an.pdf. [Google Scholar]
Honeywell Internation Inc. Data sheet: HIH-4000 Series Humidity Sensors (2014); http://www.honeywell.com/sensing]. [Google Scholar]
D. Lohbeck, Design for dust: Product safety’. National Instruments, Test and Measurement World (2008); http://www.tmworld.com. [Google Scholar]
S. Cheung, Advanced Environmental Exercise Physiology: Advanced Exercise Physiologies Series, USA: Library of Congress Cataloging-in-publication (2010). [Google Scholar]
G. V. B. Cochran,. and V. Palmieri, Development of test methods for evaluation of wheelchair cushions. Bul Pros Res. (spring), 17, 1 (1980) 9–30. [Google Scholar]
M. Gray, Incontinence associated dermatitis in the elderly patient: assessment, prevention and Management. New journal of geriatric care management(2014). http://www.gcmjournal.org/2014/05/14/incontinence-associated-dermatitis-in-the-elderly-patientassessment-prevention-and-management/ [Google Scholar]
K. Getliffe, M. Dolman, Promoting Continence: A clinical and research resource. 3rd edition (2007) USA: Churchill Livingstone [Google Scholar]
P.M. Lewis, K.M. Carey, A.M. Cottenden, D.A. Barda, P. Curran, D. Black, Incontinence monitoring and assessment US20120268278A1 (2012) [Google Scholar]
M. Matsuguchi, E. Hirota, T. Kuroiwa, S. Obara, T. Ogura, Y. Sakai. Drift phenomenon of capacitive-type relative humidity sensors in a hot and humid atmosphere. Journal of the ElectrochemicalSociety, 147, 7 (2000) 2796–2799. [CrossRef] [Google Scholar]
Vaisala Humidity measurement in test chambers and incubators-questions and answers (2010). http://www.vaisala.com/VaisalaDocuments/Applicationnotes/HumidityMeasurementinTestChambersFAQs-application-note-B210927EN-A.pdf. [Google Scholar]