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Towards the re-verification of process tank calibrations

Department of Mechanical Engineering, University of Glasgow, Glasgow, UK, j.howell{at}mech.gla.ac.uk

Re-verification is needed to ensure that the calibration (the relationship between measured level and measured volume) that is obtained during commissioning has not changed over time. This can be achieved, in part, by metering in solution and correlating with marks identified a priori. Mark identification and correlation are discussed and possible error sources are outlined.

Key Words: calibration • chemical industry • filtering techniques • level measurement.

Transactions of the Institute of Measurement and Control, Vol. 31, No. 2, 117-128 (2009)
DOI: 10.1177/0142331207086813


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