• measures wave height and wave direction
• heave scale accuracy 0.5% of measured value
• heave period 1.6 s – 30 s
• direction resolution 1.5°
• heading error 0.4° - 2° (depending on latitude) typical 0.5°
• interface port RS232
• power: < 400 mW
• dimensions 410x560 mm
• weight approx. 36 kg
  

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• wave motion based on single GPS
• measures wave height for wave periods of 1.6 to 100 seconds
• 1 cm precision in all directions (free floating)
• measures wave direction
• GPS or buoy monitoring and tracking through HF link
• internal datalogger
• power: 1.7 W (continuous, including HF communication link)
• flexible supply voltage: 10 to 30 VDC
• dimensions 330 x 230 x 185 mm

• HF transmitter range line of sight (typically 10-15 km)

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• measures motions up to 1000 s with decimeter precision
• measures motions up to 100 s with centimeter precision
• measures GPS position
• compact dimensions (16 cm diameter x 20 cm height)
• NMEA-compatible output and RS422 interface
• Selective Availability resistant
• power: 1 W
• flexible supply voltage: 10 to 30 VDC

• measures vertical acceleration and integrates this to heave
• reference is a gravity stabilized platform with a natural period of 40 sec.
• scale accuracy 0.5 % of measured value
• heave bandwidth: 1/30 to 1 Hz
• acceleration bandwidth: DC to 1 Hz
• very low power: 180 mW
• flexible supply voltage: 10 to 30 VDC

• measures pitch and roll
• reference is a gravity stabilized platform with a natural period of 40 sec.
• scale accuracy 0.5 % of measured value
• bandwidth: DC to 5 Hz
• includes detection of power failure to prevent false output
• low power: 330 mW
• flexible supply voltage: 10 to 30 VDC

• natural period of platform is 40 seconds  
• pitch/roll scale accuracy 0.5 % of measured value 
• acceleration/heave scale accuracy 0.5 % of measured value
• low power: 180 mW

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