1.1 These specifications cover operating instructions for glass capillary kinematic viscometers of all the types described in detail in Annex A1, Annex A2, and Annex A3 as follows:
| Modified Ostwald viscometers, Annex A1 |
| Suspended-level viscometers, Annex A2 |
| Reverse-flow viscometers, Annex A3 |
1.2 The calibration of the viscometers is described in Section 6.