GDL Seametrics Data Logger


Datalogging Sensor Attachment
  • Collects over 65,000 records
  • Two 4-20 mA channels
  • Converts analog signals to digital
  • Includes Aqua4Plus control software


Seametrics’ GDL adds datalogging and communication power to your existing sensors. With this simple attachment, your sensor will be able to wirelessly transmit data and collect over 65,000 records.
Rugged, portable, and compact, the GDL comes in a polycarbonate box to protect it from the elements. Withstanding tough field conditions, the GDL is an ideal choice for improving your sensor network.


  • Two 4-20 mA channels
  • Over 65,000 records in non-volatile memory
  • RS485 network
  • Wireless connectivity
  • Rugged control box—polycarbonate (IP67)
  • 5.5″ x 3.1″ x 2.6″ size (excluding connectors)
  • Internal 12 VDC power supply (external power supplies available)
  • Programmable warm-up time—easily set the warm-up time required by your equipment
  • Standard or User Defined Units—display readings in any unit of your choosing
  • Includes Aqua4Plus control software for setting up flexible recording sequences, retrieving data, monitoring real-time data, and viewing collected data


  • Stormwater discharge monitoring
  • Water quality monitoring
  • Irrigation control
  • Stream gauging
  • Wetland monitoring
  • Well, tank, tidal levels