Detail BMD-1000 - Bag Mini-Diluter
The Bag Mini-Diluter is an alternative to Constant Volume Sampling ( CVS) Techniques and provides the improvements necessary to address the testing of Partial Zero Emission Vehicle ( PZEV) and Super Ultra-Low Emission Vehicle ( SULEV) emissions. The differences between BMD and CVS sampling are as follows:
BMD is a partial flow sampler – about 6 lpm of vehicle exhaust is extracted.
Sample is diluted with zero air – eliminates problems with ambient bags having higher concentration than sample bags.
Dilution ratio is smaller – typically 5 to 1, making bag concentrations higher.
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