| 1.63 | reference quantity value | ||
| reference value | |||
| Quantity value used as a basis for comparison with values of quantities of the same kind. | |||
| Note 1: | A reference quantity value can be a true quantity value of a measurand, in which case it is unknown, or a conventional quantity value, in which case it is known. | ||
| Note 2: | A reference quantity value with associated measurement uncertainty is usually provided with reference to | ||
| (a) a material, e.g., a certified reference material, | |||
| (b) a device, e.g., a stabilized laser, | |||
| (c) a reference measurement procedure, or | |||
| (d) a comparison of measurement standards. | |||
| Source: [VIM 5.18]. | |||
| 1.63 | reference quantity value | ||
| reference value | |||
| Quantity value used as a basis for comparison with values of quantities of the same kind. | |||
| Note 1: | A reference quantity value can be a true quantity value of a measurand, in which case it is unknown, or a conventional quantity value, in which case it is known. | ||
| Note 2: | A reference quantity value with associated measurement uncertainty is usually provided with reference to | ||
| (a) a material, e.g., a certified reference material, | |||
| (b) a device, e.g., a stabilized laser, | |||
| (c) a reference measurement procedure, or | |||
| (d) a comparison of measurement standards. | |||
| Source: [VIM 5.18]. | |||