JJF 2214-2025 Calibration Specification for Meteorological Devices of Motor Vehicle Test

JJF 1007-2007 Temperature Metrological Terms and Their Definitions JJF 1008-2008 Pressure Metrological Terms and Their Definitions JJF 1012-2007 Humidity and Moisture Metrological Terms and Their Definitions JJF 1071-2010 The Rules for Drafting National Calibration Specification GB 3847-1999 Limits and measurement methods for exhaust visible pollutants from compression ignition(C.I.) engines and vehicles equipped with C.I. engines GB 3847-2018 Limits and measurement methods for emissions form diesel vehicles under free acceleration and lugdown cycle GB 3847-2005 Limits and measurement methods for exhaust smoke from C.I.E. (Compression Ignition Engine) and vehicle equiped with C.I.E. GB 18285-2000 Limits and measurement methods for exhausts of pollutants from in-use vehicles