Height piezometer above sensor 1.25m Parent item: All data measured by groundwater level piezometer GRW21 at Maisbich Measuring instrument: Maisbich basin: Groundwater level piezometer Code: GRW 21 Type: Temperature and Pressure sensor Make: Keller DCX-22 AA This instrument is based on differential pressure measurement of two absolute sensors. The sensors measure pressure and temperature. Height of piezometer above sensor: 1.18m.