Inertia-Link® is a high-performance Inertial Measurement Unit and Vertical Gyro utilizing miniature MEMS sensor technology. It combines a triaxial accelerometer, triaxial gyro, temperature sensors, and an on-board processor running a sophisticated sensor fusion algorithm.

Inertia-Link® offers a range of output data quantities from fully calibrated inertial measurements (acceleration & angular rate or deltaAngle & deltaVelocity vectors) to computed orientation estimates (pitch & roll or rotation matrix). All quantities are fully temperature compensated and corrected for sensor misalignment. The angular rate quantities are further corrected for G-sensitivity and scale factor non-linearity to third order.

Inertia-Link's communications interface hardware is contained in a separable module, and can therefore be easily customized. Currently available interface modules include USB 2.0, RS232 and RS422. An OEM version is available without the communications interface enabling the sensor to be integrated directly into a host system's circuitboard, providing a very compact sensing solution.

The 3DM-GX2® Software Development Kit (SDK) provides application builders with robust protocols and source code samples to operate the Inertia-Link® and 3DM-GX2® orientation sensors. The SDK includes a complete Data Communications Protocol manual, a detailed Users manual, ANSI C Implementation and API. Sample applications demonstrating many protocol commands are provided with fully-commented source code for Microsoft® Visual Studio C++ 2003/2008 Express, LabVIEW® 7.1.1, Microsoft® Visual Studio Visual Basic 2005 and Microsoft® Visual Basic 6.0.

 

Product no longer stocked – limited availability

Contact for pricing and lead time--a minimum order quantity may apply

Datasheet Manual

  • small, light-weight, low-power design ideal for size-sensitive applications including wearable devices
  • fully temperature compensated over entire operational range
  • calibrated for sensor misalignment, gyro G-sensitivity, and gyro scale factor non-linearity
  • simultaneous sampling for improved time integration performance
  • available with wireless and USB communication interfaces
  • user adjustable data rate (1 to 250Hz) and sensor bandwith (1 to 100Hz)
  • outputs include Euler angles, rotation matrix, deltaAngle & deltaVelocity, acceleration and angular rate vectors
Orientation Range (pitch, roll, yaw) 360˚ about all axes
Accelerometer range +/- 5 g standard
+/- 1.7 g and +/- 18 g also available (+/- 18 g may require export license)
Accelerometer bias stability ± 0.010 g for ± 18 g range
± 0.005 g for ± 5 g range
± 0.003 g for ± 1.7 g range
Accelerometer nonlinearity 0.2%
Gyro range Gyros: ± 300°/sec standard, ± 1200°/sec, ± 600°/ sec, ± 50°/sec also available
Gyro bias stability ± 0.2˚/sec for ± 300˚/sec
RF Output Power 0dBm (1 mW)
Gyro nonlinearity 0.2%
A/D resolution 16 bits
Orientation Accuracy ± 0.5˚ typical for static test conditions ± 2.0˚ typical for dynamic (cyclic) test conditions and for arbitrary orientation angles
Orientation Resolution <0.1˚ minimum
Repeatability 0.20˚
Output modes Acceleration and angular rate, deltaAngle and deltaVelocity, Euler angles, rotation matrix
Interface options RS232, RS422, USB 2.0 and wireless - 2.45 GHz IEEE 802.15.4 direct sequence spread spectrum, license free worldwide (2.450 to 2.490 GHz) - 16 channels
Wireless communication range 70 m
Digital output rates Standard RS-232, USB or RS-422 interface: Up to 237Hz Wireless interface: Up to 100Hz OEM or custom interface: Up to 1000Hz
Serial data rate 115200 bps
Supply voltage +4.5 to +16 volts DC
Power consumption 90 mA
Connectors micro DB9
Operating temperature -40 to +70˚C with enclosure
-40 to +85˚C without enclosure
Dimensions 41 mm x 63 mm x 24 mm with enclosure 32 mm x 36 mm
x 15 mm without enclosure
Weight 39 grams with enclosure, 16 grams without enclosure
Shock limit 1000 g (unpowered), 500 g (powered)

*Accuracy and stability specifications obtained over operating temperatures of -40 to 70˚C with known sine and step inputs, including angular rates of ± 300˚ per second.

Patents pending.

This product is now a legacy product.

No, not currently. If you need an analog out option, please consider our 3DM-GX1® at:

http://www.microstrain.com/3dm-gx1.aspx

Yes. We provide a complete data communications protocol manual which describes in detail each and every command and response that is available with the devices.  Applications may be developed in any programming environment (C, VB, LabVIEW, Matlab, etc.) which supports communication via serial port.

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