The Mullen HA Hydrostatic Tester measures the resistance to water penetration under pressure and provides pressure readings up to 1500 PSI. It is equipped with a powerful motorized drive to ensure constant force to the select sample and a hand screw clamp to allow virtually infinite clamping pressure for hard-to-hold materials.

The Mullen HAH Hydrostatic Tester measures the resistance to water penetration under pressure and provides pressure readings up to 1500 PSI. It is equipped with a motorized drive for constant, controlled force and a hydraulic-powered clamp for assured uniform clamping pressure.

The Mullen HJ Hydrostatic Tester measures the resistance to water penetration under pressure and provides pressure readings up to 500 PSI. Its hand wheel drive is suitable for occasional testing or where a low-cost portable unit is desired.