There are ISO approved companies who will certificate your scales
Like this one
http://www.ukas.org/calibration/schedules/Actual/8296Calibration%20Multiple.pdf
BW John
From: Clinical biochemistry discussion list [mailto:[log in to unmask]]
On Behalf Of Catrin Searell (BCUHB - Pathology)
Sent: 19 December 2016 10:35
To: [log in to unmask]
Subject: 24h urines
Dear all
Would anyone mind sharing with us their ISO-proof method of measuring 24h urine volumes?
Is it good enough to weigh the collection and subtract the weight of an identical (empty) container? Or do we have to pre-weigh each container and write the weight on the bottle before giving them out?
Any other advice would also be much appreciated e.g. how “good” your scales have to be etc.
Many thanks
Catrin
Catrin Searell
Gwyddonydd Clinigol/Clinical Scientist
Adran Gwyddorau Gwaed/Department of Blood Sciences
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