Procurement of the supply of telemetry systems for the expansion of the piezometric groundwater control network.
Lot 1. Compact water level telemeasurement system on piezometerLot 1. Compact water level telemeasurement system on piezometer.
Lot 2. General purpose data acquisition and communications equipment with 4-20 mA analog input and FTP and OPC protocolLot 2. General purpose data acquisition and communications equipment with 4-20 mA analog input and FTP and OPC protocol.
Lot 3. Hydrostatic pressure sensor 4-20 mA outputLot 3. Hydrostatic pressure sensor output 4-20 mA.