MHK ISDB/Instruments/TRDI Workhorse Monitor ADCP

From Open Energy Information

TRDI Workhorse Monitor ADCP

Measurement Category: Oceanographic
Operating Environment: Underwater
Version(s): Sensor Frequency (Range): 300 kHz (83 - 154 m), 600 kHz (38 - 66 m), 1.2 MHz (11 - 19 m)
Mounting: upward looking
Communication Protocol: RS-232, RS-422
Operating Mode: Free Streaming
Power Supply Type: VDC
Power Specification: 20-50 VDC


MONITOR is Teledyne RD Instruments' most popular direct reading Acoustic Doppler Current Profiler (ADCP). The unit is typically bottom frame-mounted and hard-wired to shore to provide real-time monitoring of coastal currents. The Monitor offers a choice of three frequencies and ranges, and flexible upgrades including an external battery pack, pressure sensor, bottom tracking capability for moving boat applications, and directional wave measurement.

Instrument Measurements

  • 3D Velocity Profile (Current)
  • Temperature (Water)
  • Sea Surface Height (Tidal)
  • Heading (Orientation)
  • Roll and Pitch (Orientation)

Measurement Specifications
See spec sheet for additional sensor details. Feel free to update this field to include pertinent details.

Optional Sensors

No optional sensors provided. Please add sensors.

Notes, Considerations & Recommendations

System is designed for bottom mounting and hardwired to shore for power and communication. To measure waves via the Waves Array ( a firmware upgrade is needed. The NEMO upgrade allows real time waves processing (

User Experience

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