Impact Subsea has launched new underwater attitude & heading reference system – the ISM3D.
The unit provides heading to ±0.5° of local magnetic North with pitch and roll to ±0.05° accuracy.
For optimal performance, a hard and soft iron calibration can be performed on the unit once installed on the ROV, AUV or other underwater platform, Impact Subsea explained.
In areas where a large amount of steel of other magnetic disturber is present, the unit can be switched to operate using the angular rate gyroscopes and accelerometers, without input from the magnetometer.
The ISM3D is provided in a titanium housing, depth rated to 6,000 meters, with a length of 65 mm.
Ben Grant, managing director of Impact Subsea, said: “With the ISM3D we have built on the AHRS capability packaged within our other products. The ISM3D greatly compliments Impact Subsea’s existing range of advanced altitude, depth & temperature sensing solutions.”