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DMU30 Inertial Systeem

High performance MEMS inertial measurement unit (HPIMU)

About the DMU30 Inertial System

The first of a family of High Performance IMUs (HPIMUs), DMU30 is a ground-breaking, non-ITAR, MEMS IMU alternative to more costly ‘FOG-grade’ IMUs for use in exacting motion sensing applications, ranging from unmanned vehicle navigation to surveying and mapping.

Available now, the DMU30 is proving a formidable choice for affordable high-performance IMUs. Two standard variants offer different baud rates to suit application needs.

 

Key features DMU30

  • Precision 6-DOF MEMS Inertial Measurement Unit
  • Silicon Sensing’s latest VSG3QMAX inductive gyro and capacitive MEMS accelerometer
  • Excellent Bias Instability and Random Walk
  • Non-ITAR
  • Compact and lightweight - 68.5 x 61.5 x 65.5H (mm), 345g
  • RS422 interfaces
  • Sealed aluminium housing (IP67)
  • RoHS compliant
  • Evaluation kit and integration resources available
  • Future developments and expansion capability, e.g. magnetometer, barometer, GPS

Applications DMU30

  • Hydrographic surveying
  • Airborne survey and mapping/li>
  • INS (Inertial Navigation Systems)
  • AHRS (Attitude and Heading Reference System)
  • GPS drop-out aiding
  • Maritime guidance and control
  • GNSS (Global Navigation Satellite System)
  • Autonomous vehicle control and ROVs
  • Machine control
  • MEMS alternative to FOG/RLG IMUs

Specificaties

GYROSCOPE PROPERTIES
Dynamic range
±490º/s
Scale factor over temp ( ±200º/s)
±250ppm
SF non-linearity (±200º/s)
±100ppm
Bias instability
<0.1º/h
Random walk
<0.02º/√h
Bias over temp
±15º/h
Noise (rms to 100Hz)
0.05º/s
ACCELEROMETER PROPERTIES
Dynamic range
±10g
Scale factor over temp (±1g)
±250ppm
SF non-linearity (±10g)
±1000ppm
Bias instability
<0.015mg
Random walk
<0.05m/s/√h
Bias over temp
±1.5mg
Noise (rms to 100Hz)
0.90mg
CROSS AXIS SENSITIVITY
Over temperature
±0.20%
TEMPERATURE SENSOR PROPERTIES
Range
-45 to 100ºC
Accuracy at temperature
±3.0ºC
IMU PROPERTIES
Operating temperature
-40 to 85ºC
Start-up-time (full performance)
<1.0s (<20s)
Power
<3W
Supply voltage
4.75 to 36V
Mass
345g
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