Meiser Presta-Valve Dial Gauge with Pressure Relief: 60psi. DURABLE: Unlike piston-plunger-type gauges, this gauge is designed for heavy-duty use. The bourdon tube movement is not affected by changes in temperature, humidity, altitude or air stream contaminants. Plus, with NO BATTERIES REQUIRED, this analog tire tool is flexible to fit all your terrain, temperature, and long-ride needs.