Motion Reference Unit (MRU)

The Motion Reference Unit (MRU) is a solid state motion reference device capable of measuring Pitch, Roll, Heave, and Heading to a high degree of accuracy.

The MRU can be mounted in either a horizontal or vertical position. The output string from the MRU is a serial format, either RS232 or RS422 and follows the standard NMEA format.

The MRU is also available in an OEM format, where packaging is left to the OEM or end user.

• Motion Reference Unit (MRU) is used to measure Pitch, Roll, Heave, and Heading
• Comes in Horizontal or vertical mounting configuration
• OEM Version is available
• Standard unit is rated to 2500 meters depth
• Output format is RS232 or RS422

• AUVs, ROVs, Towfish
• Dynamic Position Vessels
• Measure Pitch, Roll, Heave, Heading
• Oil Rigs
• USBL Tracking Systems

MRU product brochure

Heave comparison to RTK-GPS published in Hydro International Magazine