B"H This liquid filled pressure gauge measures pressure from 0-6000 PSI. Ideal for hydraulic or pneumatic systems, compressors, pressure washers, and other fluid power applications. The 0-6000 PSI range is used in high-pressure hydraulic intensifiers, subsea equipment testing, and aerospace ground support systems that require reliable measurement at extreme pressures. Liquid filling dampens needle vibration for stable, accurate readings in high-pulsation environments.