Portable Flo-check Series PFM is accurate within ±1% full range, and makes all flow, pressure, and temperature measurements simultaneously from one point. LCD shows flow and temperature. Digital Model 6 is suited for mobile or stationary hydraulic systems. Inline Model 6BD tests bidirectional motors, servo systems, and valves. Model 8 combines test unit with portable dynamometer to read hp and kW directly. All versions are self contained with pressure rating of 6,000 psi and operating temperatures to 300°F.