5.4.4 Dynamometer specification
Clasification Society 2024 - Version 9.40
Statutory Documents - IMO Publications and Documents - International Codes - NOx Technical Code - Technical Code on Control of Emission of Nitrous Oxides from Marine Diesel Engines - Chapter 5 - Procedures for NOx emission measurements on a test bed - 5.4 Measurement equipment - 5.4.4 Dynamometer specification

5.4.4 Dynamometer specification

  5.4.4.1 An engine dynamometer with adequate characteristics to perform the appropriate test cycle described in 3.2 shall be used.

  5.4.4.2 The instrumentation for torque and speed measurement shall allow the measurement of the shaft power over the range of the test-bed operations as specified by the manufacturer. If this is not the case, then additional calculations shall be required and recorded.

  5.4.4.3 The accuracy of the measuring equipment shall be such that the maximum tolerances of the values given in 1.3.1 of appendix 4 of this Code are not exceeded.

Parent topic: 5.4 Measurement equipment
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