www.foodengineeringmag.com/articles/88027-differential-pressure-transmitter
Differential pressure transmitter
December 1, 2010

The Ashcroft GC52 wet-wet differential pressure transmitter provides direct flow readings by measuring dp across a restriction. Push-button settings allow users to program the correlation between pressure and flow rate; the on-board square root extraction calculation yields a representative flow measurement. A flow totalization counter displays the accumulated volume of passed fluid.
Ashcroft Inc.; 800-328-8258; www.ashcroft.com