scope:

The standard specifies a procedure for the calibration of au tomatic counting instruments for particles suspended in liqu ids when used for the determination of particle size distrib ution of contaminants encountered in hydraulic fluid power a pplication. It also establishes a uniform and realistic basi s for particle sizing and counting. NOTE - It is assumed tha t users of this procedure are competent in the operation of their particular particle counters and that proper sample-ha ndling techniques...