Hydrins

Hydrins

Hydrographic survey INS

0,01° heading accuracy

0,01° attitude sensor

Hydrins is a high-performance inertial navigation system optimized for hydrographic surveys using multibeam echosounders. Hydrins comprises a single compact unit  and delivers highly accurate real-time position, heading, attitude and speed data. In addition to the real-time options, Hydrins raw data can be post-processed using Delph INS.


Benefits

  • Motion and heading not affected by GPS outages 

  • Accurate height compensation with GPS RTK

  • A complete solution with easy-to-use yet powerful

  • post-processing tools

  • Fast and reliable installation on all vessels 

  • Network ready, intuitive user interface


Features

  • All-in-one high-accuracy 3D positioning with heading,  roll and pitch 

  • Smart HeaveTM

  • Automatic GPS drop-out / multipath management

  • Advanced post-processing software solutions (Delph INS)

  • Compact, uses any kind of GPS (single antenna)

  • Ethernet, web server (GUI)

 

 

PHYSICAL CHARACTERISTICS

  Dimensions (L x W x H)             180 x 180 x 162 mm 
  Weight 4.5 kg
  Waterproof  IP66

 

 

Performance

Position accuracy real time 

 

With GPS           Three times better than GPS 
No aiding for 1 min / 2 min  0.8 m / 3.2 m (CEP 50)
 Position accuracy post-processed   
With GPS  Four times better than GPS 
No aiding for 1 min / 2 min  0.2 m / 1m (CEP 50)
Heading accuracy 0.01 deg secant latitude RMS(1)
Roll and pitch dynamic accuracy (no aiding) 0.01 deg RMS 
Heave accuracy (Smart Heave)(2) 2.5 cm or 2.5% RMS

 

 

Operating range / Environment

Operating / storage temperature           -20°C to 55°C / -40°C to 80°C 
Rotation rate dynamic range Up to 750 deg/s
 Acceleration dynamic range ± 15 g
Heading / roll / pitch 0 to +360 deg / ±180 deg / ±90 deg
MTBF (observed)  80 000 hours

 

 

 

Interfaces

Serial           RS422 or RS232
Ethernet 100 MBit - UDP / TCP server / TCP client / WebGUI
Pulse PPS, Trigger
Inputs / outputs Configurable 7i / 5o - Pulse(3) 4i / 2o - Configuration port
Baud rates Up to 460 kbaud
Data output rate 0.1 Hz to 200 Hz
Power supply / consumption 24 VDC (20 - 32 V) / < 20 W

 

 

 

Heading, roll / pitch, and position

Item Name With GNSS   Without GNSS [60s outage]
- Mode RTK Post-Pro RTK Post-Pro
1 Heading [°] RMS (4) 0.01 0.008 0.01 0.008
2 Roll / Pitch [°] RMS 0.01 0.005 0.01 0.005
3 Position [m] RMS 0.03 0.02 0.8 0.2