ISO 4409:1986


Note: Latest version: ISO 4409:2019

Existing or new amendments and versions must be purchased separately.



Specifies methods for determining the performance and efficiency of equipment, and applies to components having continuously rotating shafts. Describes requirements for test installations, test procedures, and the presentation of test results. Annex A gives guidance as to the use of practical units, annex B contains information on errors and classes of measurement accuracy, and annex C provides a pretest checklist of those items on which agreement is recommended between the parties concerned.

Products specifications

  • Standard from ISO
  • Published:
  • Withdrawn:
  • Period for objection until:
  • Edition: 1
  • Document type: IS
  • Pages
  • Publisher: ISO
  • Distributor: ISO
  • ICS: 23.100.10
  • International TC: ISO/TC 131/SC 8

Product Relations

Product life cycle