| dynamometer |
Also referred to as a "dyne". A treadmill-like device with two large rollers used with a five-gas analyzer to measure NOx. During the inspection, the dynamometer simulates on-road testing (by electronically applying load to vehicles) to provide more accurate vehicle emissions readings. NOx (oxides of nitrogen) are only produced when vehicles are under load, so the dynamometer is required to measure NOx.
출처: www.esp-global.com/rsd/
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