Radar level sensor with integrated data logger, battery and communication. The LNR06V4 sensor is suitable for permanent or temporary installations, for measurements up to 10M. It has radio and cellular (2G / 4G (LTE-M – NB-IoT) / Lora communication options. Perfectly suited for outdoor use, even when exposed to weather conditions.. It is recommended for monitoring : - Medium : natural water - streams : preventive management of low water and floods - rainwater storage or retention basins : monitoring - inlets and outlets of wastewater treatment plants. The measurement of water height allows the calculation of flows by conversion, to meet the regulatory obligations. Inputs : 1x External power supply (5Vcc…30Vcc), 2x contacts 100Hz, 1x Modbus Outputs : 1x Power supply (internal battery or switch), 1x Open Drain, 1x Modbus Rugged and IP68 housing (tested at 1 bar during 30 days)