This standard applies to industrial rotary positive displacement pumps. It includes detailed procedures on the setup and conduct of hydrostatic and performance tests of such pumps. This standard includes: Terminology Instrumentation Plotting of results Test Procedure Acceptable deviation of test quantities Methods for Rotary Speed Measurement ...and much more! Significant Updates in the 2010 Version: Completely reformatted for easier reading Use of larger graphics and figures More detailed descriptions, especially in the "Terminology" sections An equation for pump output power Current testing procedures Acceptable deviation of dependent test quantities from specified values for Type III and Type IV testing