Pressurements deadweight testers from Fluke Calibration are stable, rugged and economical pressure standards. They also offer design refinements and features to optimize measurement performance. Models are offered to calibrate devices from vacuum and low pneumatic pressures to very high hydraulic pressures and include P3000 Pressurements pneumatic deadweight testers, and P3100, P3200 and M3800 hydraulic deadweight testers; P5500 Pressurements comparison test pumps and deadweight tester calibration accessories.