Sensor : MPS20N0040D-S Op-amp : HX710B Working Voltage: 3.3-5V Range Pressure: 0-40KPa Board size :19*18mm (2mm fixing hole)
*This module adopts high precision AD sampling chip and 0-40KPa air pressure sensor. And it can connect 2.5mm soft tube and detect the water level and other air pressure
*Adopt 5K ohm resistor bridge sensor, and specific air pressure value needs calculating.