This procedure is applicable to the initial verification, subsequent verification and in-use inspection of the drum speedometer inspection bench for automobiles or motorcycles (hereinafter referred to as the speedometer).
JJG 909-2009 Referenced Document
JJF 1001-1998 General Terms in Metrology and Their Definitions
JJF 1002-1998 The Rules for Drafting National Metrological Verification Regulation
JJG 909-2009 history
2009JJG 909-2009 Verification Regulation of Roller Type Speedometer Tester
1996JJG 909-1996 Verification Regulation of Roller Type Speedometer Tester