1.01 The purpose of this code is to establish rules and procedures for the conduct of tests to determine the following speed governing characteristics of internal combustion engine generator units. (a) Steady state speed regulation (b) Range of adjustment of steady state speed regulation (c) Steady state incremental speed regulation (d) Speed governing stability: (1) Steady state governing speedband (2) Momentary overspeed (3) Momentary underspeed (4) Recovery time (e) Range of adjustment of speed. 1.02 This code does not cover the testing of emergency or overspeed governors.