The Workhourse Monitor is Teledyne RD Instruments most popular direct reading 1200, 600, 300kHz Acoustic Doppler Current Profiler. The unit is typically bottom frame mounted and hard wired to shore to provide real time monitoring of coastal currents. The Monitor’s high data accuracy and reliability make it a favorite for deployments in high volume traffic areas such as ports and harbours, where the data is often integrated into a Vessel Traffic Monitoring System. In fact, the Monitor has been selected for most major port programs undertaken in the United States.