Incremental Sampler
Incremental Sampler : Sampler that accumulates a series of spot samples into one composite sample. NOTE: There are two general classes of commercial incremental samplers: (a) pressure increment: a specially designed pressure regulator increases the pressure of the collected sample in a sample cylinder from zero to a maximum of line pressure during the sample period; (b) volume increment: the sample is displaced by a pump into a floating piston cylinder at constant line pressure during the sampling period
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