MOBIUS (MOBile Inertial Underwater System) has been designed to meet the demands of subsea positioning offshore in the 21st century. Heading, Attitude, Depth, Speed of Sound, Acoustic Telemetry and Ranging are all available in a slim, compact, rugged ROV friendly package. With 24 hours battery power and options including miniTXT LCD display, positive stab indicator, remote power switch on/off, internal data logging and full INS positioning this single unit provides accurate positioning, heading and inclination for most tasks ranging from shallow water installations to deepwater metrology.
The system is extremely flexible and is available with CDL Datum (Digital Acoustic Transponder & Underwater Modem) or with adaptor plate to suit the acoustic ranging and telemetry transponder of your choice. Features: Integrated solution Small footprint Ring Laser Gyro Technology – no moving parts 24hour battery life on single charge Fast North seeking Ranging and telemetry Speed of sound measurement: Valeport miniSVS Product
Specification: AHRS: Heading Accuracy*: Pitch and Roll 0.169deg 0.028deg Power Requirements: Voltage Power 24V DC 30W Data Serial Outputs** 4 software configurable serial ports Serial protocol options RS 232, 422 and 485 Weight and Dimensions (3000m Unit): with adaptor plate with Datum Subsea unit 62cm x 20cm dia 83cm x 20cm dia Weight in Air 52 kg 56 kg Weight in Water 38 kg 40 kg DATUM: Range 3km approx Data Rates 100 or 480 bits per second Bandwidth Broadband operation 16Khz to 30Khz Modulation Direct sequence spread spectrum / OFDM Depth Rating: 3000m (standard) 4000m 6000m
Options: DATUM modem MiniTXT LED display Full INS capability Direct data transmission and power from ROV Internal data logging Depth sensor SV sensor Battery power on/off by ROV lights Internal data logging ROV grab handles Positive male stab All stated accuracies are dynamic and 1 Sigma RMS *sec(lat) ** User defined options available on request
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