RM measurement method taken as a reference by convention, which gives the accepted reference value of the measurand NOTE 1 A reference method is fully described. NOTE 2 A reference method can be a manual or an automated method. NOTE 3 Alternative methods can be used if equivalence to the reference method has been demonstrated.
РМ
метода мерења која се, по договору, узима као референтна метода, која обезбеђује усвојену референтну вредност мерене величине