Digital Vacuum Gauge, HVAC Micron Vacuum Meter 1/4 inch SAE with Buzzer Alarm, Pressure Tester for 4 Units, LCD Backlit Display

Product Description

HVAC DIGITAL VACUUM GAUGE: HVAC and heat pump systems, this digital vacuum gauge tracks real-time pressure during refrigeration system vacuuming. Matched with a vacuum pump, it accurately checks dehumidification and impurity removal, and monitors vacuum & refrigeration system conditions in real time PIRANI SENSOR: Features a high-precision Pirani vacuum sensor for fast response and accurate micro-pressure detection. Max overload pressure: 72 PSI/0.5 MPa; Accuracy: 0.1–1000 Pa (±5%); Resolution: 0.01(＜10 Pa); Working temp: -23℉–122℉; 7/16 inch-20 UNF (1/4 inch SAE) connection MONITORING MODE AND BUZZER PROMPTER: Starts in normal mode by default. Press SET to set target vacuum, then save and …