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MicroStrain® 3DM-DH® Microminiature Solid State 3-axis Pitch, Roll, and Yaw Sensor

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3DM-DH®

Microminiature Solid State 3-axis Pitch, Roll, and Yaw Sensor

Overview

3DM-DH® is a microminiature 3-axis orientation sensor capable of measuring: ± 180˚ of yaw heading, ± 180˚ of pitch, and ± 70˚ of roll. Orthogonal arrays of magnetometers and accelerometers are used to compute the pitch, roll and yaw (also refered to as heading or azimuth) over a wide angular range.

The 3DM-DH® is sold as a starter kit for the first unit purchased, afterwhich, just the board can be purchased. The starter kit includes the standard board, software, requisite serial communications and power cable, and a manual.

The Windows® software provided communicates with 3DM-DH® over a serial port. The software gives the user complete control over how data is processed, presented, and logged. The output may be programmed to provide raw magnetic field and accelerometer outputs, or processed pitch, roll, and yaw outputs. User programmed digital filters are used to process sensor data either statically or dynamically, depending on the change in 3DM-DH® movement over time.

3DM-DH® runs off of a single supply positive voltage ranging from 5.3 to 12 volts DC. 3DM-DH®'s can be used alone or combined in networked arrays.

3DM-DH Down Hole Orientation Sensor
Applications
  • Marine, Automotive
  • Military
  • Heavy Equipment
  • Virtual Reality
  • Communications
  • Biomechanics
  • Geomechanics, Oil Exploration
  • Robotics
  • Combines micro-miniature, solid state sensors with embedded software
  • Allows for unrestricted freedom of movement
  • Option for raw magnetic field & orientation outputs or for pitch, roll, and yaw
  • Fully calibrated prior to shipment
  • Microminiature version of our 3DM, all the same functionality
Range Yaw: ± 180˚
Pitch: ± 180˚
Roll: ± 70˚
A/D Resolution 12 bits
Digital Filter Infinite Impulse Response (IIR)
User programmable weighted moving average
Angle Resolution (no digital filtering) Pitch: 0.30˚ (typical)
Roll: 0.25˚ (typical)
Yaw: 0.50˚ (typical)
Angle Resolution (most aggressive digital filtering) Pitch: < 0.1˚
Roll: < 0.1˚
Yaw: < 0.1˚
Resolution specs taken during static motions.
Accuracy Pitch: ± 0.93˚ typical (yaw from 0 - 360˚ and roll = 0˚)
Roll: ± 0.33˚ typical (yaw from 0 - 360˚ and pitch = 0˚)
Yaw: ± 1.0˚ typical (pitch and roll = 0˚)
Accuracy is defined as the square root of the sum of the errors squared (non-repeatability, temperature coefficients and nonlinearity).
Angle measurement nonlinearity (pitch and roll) ± 0.23% F.S.
Angle measurement repeatability Pitch: 0.07˚ (typical)
Roll: 0.07˚ (typical)
Yaw: 0.26˚ (typical)
Update rate (angle mode) 45 Hz/3 channels (maximum)
30 Hz/3 channels (typical)
Update rate is specified with a maximum and typical value since it depends on how many points the A/D converter averages.
Update rate (raw mode) 70 Hz/6 channels
Output modes Raw: ax,ay,az accelerometer
Raw: bx,by,bz magnetic field
Units: pitch, roll, and yaw in degrees
Output format RS-232 serial
Transmission Rate 9600 bits/sec
Supply voltage +5.2 VDC min., +12 VDC max.
Supply current 50 milliamps/node @ standard speed
Connectors Sensor: RJ11 type power: min. coaxial jack
Operating Temperature - 25˚C to 70˚C
Temperature Drift (%/˚ C)
(mean, std.dev.)		  Pitch: 0.009 ± 0.008
 Roll: 0.033 ± 0.025
 Yaw: 0.019 ± 0.019
Module size 2.8cm wide, 6.7cm long, .8cm thick
Weight 10.8 gr. without enclosure

U. S. Patent 5887351 and Patents Pending

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How To Order

To discuss configuration for your specific system requirements, please contact sales at sales@microstrain.com or call  802-862-6629.

For large quantity orders or OEM discussions, please contact mirobinson@microstrain.com.

If you are outside the US, please contact one of our distributors.