In order to return any LORD MicroStrain® product either for repair or return, you must contact us for a Return Merchandise Authorization number (RMA). If you purchased directly from LORD MicroStrain® in the United States, please contact your Sales or Support Engineer to obtain an RMA. If you purchased directly from a LORD MicroStrain® distributor, please contact your distributor to obtain an RMA.
If you are located in the United States, LORD MicroStrain® supplies you directly. If you are in located in another country, LORD MicroStrain® products are available exclusively from LORD MicroStrain® distributors. Please use this locator to determine your distributor: http://www.microstrain.com/support/international
To enable customers to try our standard products risk free, LORD MicroStrain® offers a 30 day return on the purchase of a starter kit. In order to take advantage of this offer, a purchase order or payment for the starter kit is required when the order is placed. 30 day trial details may be found at: http://www.microstrain.com/support/warranty
LORD MicroStrain® insures all products shipments to their full value unless the customer specifically states a different method.
LORD MicroStrain® warrants its standard products to be free from defective material and workmanship for a period of one (1) year from the original date of purchase. Warranty details may be found at: http://www.microstrain.com/support/warranty
The term ‘static’ accuracy refers to measurements made when the inertial unit is not moving and the on-board orientation algorithm has recovered from any sensor over-ranging.
The term ‘dynamic’ accuracy refers to measurements made while the inertial unit is moving and not exceeding the measurement range of the individual on-board sensors (accelerometers, gyroscopes, magnetometers).
The 3DM, 3DM-DH and FAS-A are designed to measure static rotations.
The 3DM-GX3 family is designed to measure both static and dynamic rotations.
From time to time the inertial sensor may need recalibration.
Example: If the inertial sensor contains magnetometers, coming in contact with magnetic influences (magnets, motors, etc.) may cause residual magnetism to be picked up by the on-board components which alter the calibration. In these cases, the inertial sensor should be returned to the factory for recalibration.
Example: The inertial sensor receives a severe shock, slightly altering the position of the circuit boards in relation to the enclosure, again altering the calibration. In these cases, the unit should be returned to the factory for recalibration.
Yes. The unit is factory calibrated and ready for use with power-up.
The sensor can output:
- magnetic fields
- Euler angles (pitch, roll, yaw)
- orientation matrix
Yes. A Windows XP/Vista/7 compatible software is shipped the product. The software allows the user to configure, operate, display and save data from the sensor.
Yes. A complete data communications protocol manual and sample code is shipped with the sensor.
The 3DM-DH can measure static and quasi-dynamic rotations with an accuracy of:
- pitch +/-0.7 degrees (typical)
- roll +/-0.7 degrees (typical)
- yaw +/-1.5 degrees (typical)
The 3DM-DH is a 3-axis orientation sensor capable of measuring:
- -180˚ to + 180˚ of yaw (heading)
- -180˚ to +180˚ of roll
- -90˚ to +90˚ of pitch (see note following)
Note: The 3DM-DH has a pitch range of +/-90˚. It will measure pitch accurately within this range. However, due to a mathematical singularity in the Euler theorem, as pitch exceeds either -70˚ or +70˚, the yaw and roll measurements of the 3DM-DH will become numerically unstable. So to put it another way, if you are just measuring pitch with the device, all measurement between -90˚ and +90˚ will be accurate. If you are measuring pitch and roll at the same time (for example), pitch measurements beyond -70˚ or + 70˚ will effect the accuracy of the roll.
Yes. We have had good success with several types of off-the-shelf USB to serial port adaptors, such as those from IOGear and Keyspan, which may be purchased through any of the electronics products distributors.
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