Test and measurement conditions and limits of vibration for machines with centre heights 80 mm to 400 mm. Recommended method of test for smaller machines and limits of vibration for larger machines.
BS 4999-142:1987 history
2004BS EN 60034-14:2004 Rotating electrical machines — Part 14: Mechanical vibration of certain machines with shaft heights 56 mm and higher — Measurement, evaluation and limits of vibration severity
1987BS 4999-142:1987 General requirements for rotating electrical machines - Specification for mechanical performance: vibration