IEC 60768:2009 provides criteria for the design, selection, testing, calibration and functional location of equipment for the monitoring of radioactive substances within plant-process streams during normal operation conditions and anticipated operational occurrences. Is only applicable to continuous in-line or on-line measurement. This new edition includes the following significant technical changes with respect to the previous edition:
- it clarifies the definitions,
- up-dates the reference to new standards published since the first issue,
- updates the units of radiation.

This publication is to be read in conjunction with IEC 60951-1:2009, IEC 60951-2:2009, IEC 60951-3:2009 and IEC 60951-4:2009.