The PFM Series of portable hydraulic testers includes three testing units for mobile or stationary hydraulic systems and components. All testers are accurate within one percent full range and provide large, 3.5-digit LCD for both flow and temperature. They also make all flow, pressure and temperature measurements simultaneously from one point. With a pressure rating of 6,000 psi maximum and operating temperatures to 300 F, the testers are lightweight, compact and self-contained.