Hydraulic Pressure Test Kit: This hydraulic test gauge kit equips you with essential tools for measuring pressure values in large hydraulic equipment systems. The 3 test gauges provide 3 pressure range options: 0-3500 PSI / 250 Bar, 0-5800 PSI / 400 Bar, and 0-8600 PSI / 600 Bar, catering to a wide range of hydraulic equipment with varying pressure values and interfaces. Our strict quality control ensures zeroed gauges and dual scale units (PSI or Bar) for quick readings. Durable Pressure Test Gauges: Crafted from robust 304 stainless steel, the pressure test gauges are built to withstand high temperatures and corrosive areas. The dial seal design prevents glycerin leakage, discoloration, and hardening, reducing internal friction and enhancing accuracy. We prioritize your ability to read pressure values accurately. 9 Test Couplings with Plastic Protection: With 9 test couplings, including G1/8, G1/4, G3/8, M10/1, M10/1.25, M14/1.5, UNF7/16-20, UNF9/16-18, and quick connector