TD Diver
The Van Essen TD-Diver is a compact, autonomous datalogger for continuous measurement of water level and temperature in groundwater, surface water, and industrial waters. Combining over 75 years of monitoring expertise with state-of-the-art technology, the TD-Diver is acknowledged as the most reliable instrument for autonomous measuring. You can also connect the diver to a modem to transmit collected data directly from the field to your data centre, streamlining data management.
It’s available in the following pressure ranges: 10 m, 20 m, 50 m, and 100 m. With 72,000 records, you can record a sample every 15 minutes for over 2 years.