Professional Digital Single Manifold Gauge -14.5 to 800psi 2-Way Air Flow with Sight Glass, High Accuracy ±0.5% FS, 88 Refrigerant Profiles, Compact HVAC Tool for Vacuum & Pressure Testing

["【Precision and Performance Range】The gauge offers a high-accuracy measurement of ±0.5%FS across a wide pressure range of -14.5 to 800 psi, providing a resolution of 0.5 psi for reliable readings.","【Specialized Low-Pressure Expertise】Designed specifically for the low-pressure side, this tool measures refrigerant vapor pressure before it enters the compressor and monitors vacuum levels during system evacuation to ensure lines are moisture-free.","【Comprehensive Refrigerant & Unit Support】The device supports 88 different refrigerants and allows users to switch between multiple pressure units, including kPa, MPa, psi, inHg, bar, and kg/cm².","【Dual-Function Utility】This versatile tool eliminates the need for multiple gauges by handling both pressure testing (up to 800 psi) and vacuum evacuation monitoring. It allows you to track vacuum levels to ensure systems are completely free of moisture and contaminants.","【Ergonomic and Portable Design】The compact build is optimized for single-handed operation and includes a rectractable hook for hands-free use, as well as a carrying pouch for easy transport to various job sites."]