ISO 45001 defines “measurement” as “process to determine a value”.
OH&S management system defined by ISO 45001, incorporates measurement as an important concept, since it is a numeric value for a parameter. Measurement is very important in quality management system and so it is needed in occupational health and safety management system as well.
Measurement is the source of quantitative data, and in the occupational health and safety management system it is the number of record-able incidences, level of exposure to a hazardous substance by a calibrated measuring instrument, and the minimum distance to be maintained from a hazard as safety distance etc.
Check if ISO 45001:2018 requires documented information on measurement.
Thus measurement is an important tool of performance evaluation phase of the management system as it is the foundation for numeric data that helps the management to take appropriate decisions at the right time.