Tender For supply of early warning system velocity sensor automatic water level recorder - 1. automated water level recorder , 2. radar type velocity sensor , 3. data logger 8 analogue channels type , 4. battery health management system , 5. mounting arrangement for sensors , 6. solar panel, charger regulator, batteries, lighting arrester with connectors , 7. web portal dashboard for viewing current or historical data , 8. installation, commissioning, testing and trial run of the entire system including api