QINGDAO THUNDSEA MARINE TECHNOLOGY CO.,LTD
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Small Size High Pressure TFG Series Subsea Inertial Navigation System Rov
1 Introduction
TFG Series Subsea Inertial Navigation System, is specially designed for ROV/Trencher, due to its high accuracy, small size and high pressure tolerance. Composed of one high accuracy three-axis FOG and three quartz accelerometer, TFG adopts high precision calibration and compensation technique to ensure its high accuracy performance under extreme conditions.
2 Characteristics
Titanium case enable it to work under 6000m deep sea.
Three-axis FOG: Small size, low consumption, low weight
Fast alignment, 1 O minutes
Integrated to GNSS/EM LOG/DVL/USBL
Free maintenance
3 Application
ROV subsea positioning and navigation
Trencher or tractor
Attitude and motion sensor for seabed
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TFG005 |
TFG01 |
TFG03 |
TFG05 |
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Heading accuracy
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0.05 secant latitude |
0.1 secant latitude RMS |
0.3 secant latitude RMS |
0.5 secant latitude RMS |
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Roll&pitch accuracy |
0.01 RMS |
0.05 RMS |
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Heave accuracy |
5cm or 5% 5厘米或5%(延迟) |
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Alignment time |
10 minutes |
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Angular rate |
≥300°/s ≥300/秒 ≥500/秒 |
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Positioning Accuracy(DVL) |
0.3%D (D is distance) 1%D (D is distance) |
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Positioning Accuracy(GNSS) |
20m,1σ |
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Power |
Operating latitude |
± 80° |
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Power supply |
18-36Vdc |
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Interface |
Power consumption |
16W 16W |
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Serial (bi-directional) |
4 x configurable RS-232 / RS-422 |
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Serial (transmitonly) |
4 x configurable RS-232 / RS-422 |
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Ethernet |
10 / 100MB |
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Data formats |
NMEA 0183 / IEC 61162 |
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Physical Characteristics |
Aiding inputs |
GNSS,EM LOG,DVL,USBL/LBL,Depth sensor |
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Dimensions |
4000m |
210MM(Φ)x330mm(h) |
180mm(Φ)x 310mm(h) |
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6000m |
220MM(Φ)x330mm(h) |
180mm(Φ)x 310mm(h) |
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Weight in air |
4000m |
18.5kg |
14.2kg |
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6000m |
21.3kg |
17.6kg |
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Weight in water |
4000m |
10.1kg |
8.5kg |
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6000m |
12kg |
10.2kg |
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Material |
4000m |
Titanium |
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Environmental |
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6000m |
Titanium |
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MTBF |
100,000 hours |
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Operating temperature |
-40℃to+55℃ |
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Storage temperature |
-50℃to+70℃ |
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Environmental |
Meets or exceeds IEC 60945 |
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EMC |
Meets or exceeds IEC 60945 |
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Warranty |
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24 months warranty |
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