Digital Single Manifold Gauge for HVAC High Pressure Discharge Tester - -14.5 to 800psi, ±0.5% Accuracy | Supports 88 Refrigerants | Ball Valve Professional Accuracy & Leak Testing Tool

["【High-Precision Accuracy】Specifically optimized for the high-pressure (discharge) side, this gauge delivers highly accurate readings (-14.5~800psi), ensuring reliable diagnostics for both professional HVAC technicians and homeowners.","【Versatile Support】Stay prepared for any job with built-in support for 88 different refrigerants, this tool eliminates the need for multiple gauges; it also offers quick switching between various global pressure units (psi, kPa, bar, etc.) and temperature scales (°C, °F).","【Integrated Pressure Management】Featuring a built-in ball control valve and pressure-holding function, this tool allows for seamless control over refrigerant flow. It is specifically optimized for the high-pressure side of the system, measuring refrigerant immediately after it exits the compressor.","【Smart Power Management】Designed for the field, the unit features a Low Battery Indicator and an Auto Power Off (APO) function to preserve the life of the two AAA batteries, ensuring the tool is ready whenever you are.","【Ergonomic, One-Handed Operation】Featuring a compact, lightweight design, the gauge is built for true \"grab-and-go\" convenience, allowing you to manage pressure and hold readings with a single hand."]