~ VWP-3000 VW piezometers Used to measure the water level changes in the cofferdam during dewatering. ~ Wi-SOS 480 VW node Long-range 800MHz wireless battery-powered multi-channel (1-5) node/ logger for connecting the vibrating wire piezometers to the Gateway. Easily configured using Android phone or tablet via G-LOG APP. ~ Wi-SOS 480 Gateway Central data acquisition logger fitted with SIM card to provide GPRS connection for remote access via the internet. It can be configured over air via an Android device and includes sampling intervals and sensor configuration. Data can be either downloaded directly or forwarded to any FTP address. ~ MP 12 readout Used to take manual readings of the VW piezometers for zero pressure and initial readings. The Mersey Gateway will bring abo

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