EXAMPLES Standard weight, volume measure (supplying one or several quantity values, with or without a quantity-value scale), standard electric resistor, line scale (ruler), gauge block, standard signal generator, certified reference material.

NOTE 1 The indication of a material measure is its assigned quantity value.

NOTE 2 A material measure can be a measurement standard.

ANNOTATION (informative) [5 June 2014] Here "quantity value" can be replaced with "value" without ambiguity: "measuring instrument reproducing or supplying, in a permanent manner during its use, quantities of one or more given kinds, each with an assigned value."