smoke meter

"smoke meter" means — (a) a smoke meter which is constructed to receive a volume of exhaust gas from a motor vehicle within specified pressure and temperature ranges and to measure the density or opacity of its smoke content from 0 to 100 Hartridge smoke units ("HSU"); (b) a device constructed to receive a volume of exhaust gas from a motor vehicle within specified pressure and temperature ranges and to measure the complete range of density or opacity of its smoke content in Absolute Units of Light Absorption from clear to total darkness or in such other correlated light absorption units; or (c) any other equivalent device which may from time to time be prescribed by the Minister as a smoke meter.
PU(A) 429/1996 - ENVIRONMENTAL QUALITY (CONTROL OF EMISSION FROM DIESEL ENGINES) REGULATIONS 1996
2. Interpretation.

smoke meter

"smoke meter" means:- (a) a smoke meter which is constructed to receive a volume of exhaust gas from a motor vehicle within specified pressure and temperature ranges and to measure the density or opacity of its smoke content from 0 to 100 Hartridge smoke units ("HSU"); (b) a device constructed to receive a volume of exhaust gas from a motor vehicle within specified pressure and temperature ranges and to measure the complete range of density or opacity of its smoke content in Absolute Units of Light Absorption from clear to total darkness or in such other correlated light absorption units; or (c) any other equivalent device which may from time to time be prescribed by the Minister as a smoke meter.
PU(A) 429/1996 - ENVIRONMENTAL QUALITY (CONTROL OF EMISSION FROM DIESEL ENGINES) REGULATIONS 1996
2. Interpretation