Standard Test Method for Total Moisture of Hazardous Waste Fuel by Karl Fischer Titrimetry Ingestion-build-48024 BS EN 14243-3 is helpful

BS EN 14243-3 is helpful in determining the increments and calculates their average

PD 5304 assists you to describe and illustrate a variety of protective measures and explains methods by which it is possible to assess which measure is reasonable to adopt circumstances and ensure safety from friction and abrasion hazardous

BS EN 13544-3 also specifies marking requirements and gives an optional system of colour coding to assist the user to identify the designated oxygen concentration

and for function-

Whilst the standard is voluntary

Standard Test Method for Total Moisture of Hazardous Waste Fuel by Karl Fischer Titrimetry Ingestion-build-48024 BS EN 14243-3 is helpful