[ https://www.amazon.com/dp/B00BHNXHCM?tag=dmflip-20&linkCode=ogi&th=1&psc=1 ]
SSI TECHNOLOGIES MGA-9V Series Media Gauge Digital Pressure Gauge Sensor with LCD Display, 30psig Operating Pressure, 9V, 1% Accuracy, 1/4-18 NPT Male Process Connector Type
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