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VMU931 DATASHEET

VMU931 DATASHEET

VMU931 DATASHEET

Product catalog summary
Description
Variense VMU931 is a compact and cost-effective inertial measurement unit (IMU) designed for recording and communicating angular velocity, linear acceleration, and magnetic fields. It utilizes a Kalman filter algorithm for precise orientation and motion detection, suitable for industrial, sports, and medical applications. The device features a robust aluminum housing, making it resistant to extreme environmental conditions, and is based on advanced MEMS technology for adaptability across various applications.
Potential Applications
  • Industrial: Antenna stabilization, vibration detection, crash testing, and tilt measurement.
  • Medical: Human movement science, motion capture, and tracking of surgeons' hand movements.
  • Sports and Multimedia: Athletic performance measurement, biomechanics research, and use in video games and virtual reality.
  • Robotics: Drone navigation, flight testing, and unmanned control.
Features and Benefits
  • Ultra-compact design with a diameter of approximately 31 mm.
  • 9 Degrees of Freedom MEMS IMU.
  • Low cost, shock resistant, splashproof, and dustproof.
  • In-run bias stability of less than 5°/hr.
  • Temperature-compensated gyro bias and self-test capability.
  • Low power and voltage requirements with a wide operating range.
  • USB connectivity and adjustable output data formats.
  • User-friendly interface with display and data logging tools.
Technical Specifications
  • Mechanical: Diameter 31 mm, thickness 9.5 mm, weight 15 g, IP64 aluminum case.
  • Performance: Static accuracy for pitch/roll <0.2°, heading <0.5°, in-run bias stability <5°/hr, operating temperature -40°C to 85°C.
  • Electrical: Supply voltage 2.8-5.3 V, USB communication, acquisition rate up to 1000 Hz.
  • Operating Sensors: 3-axis gyros, accelerometers, and magnetometers with specified ranges and resolutions.
  • Analogue: 16-bit resolution for all sensors.
  • Absolute Maximum Ratings: Shock tolerance of 10,000 g.
Ordering Information
  • VMU931-c: With casing
  • VMU931-nc: Without casing
  • VMU931-ui: VMUReader Pro
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Catalog excerpts

VMU931 DATASHEET-1

Technical • Data Sheet Inertial Units Description Variense VMU931 is a unique small, and low cost inertial measurement unit. IMUs are electronic devices that record and communicate a body’s angular velocity, linear acceleration, and sometimes the magnetic field surrounding the sensor. This sensory information can then be fused using Kalman filter algorithm for excellent orientation and motion detection in industrial, sports and medical applications, such as UAVs navigation and clinical research. The new rugged VMU931 is a round IMU with a diameter of 31 mm, that can fit up to 3-axis accelerometers, 3-axis gyros, 3-axis magnetic, temperature sensors in a robust alumunium housing as shield against extreme environmental conditions. It is based on the latest MEMS technology, which is highly adaptive to various applications. Real-time data logging, maximum sensitivity and automatic factory calibration ensure that the sensor will fit your system proprely. Potential Applications • Antenna Stabilization & Pointing • Detect vibration and impact forces • Measure forces during crash testing • 9 Degrees of Freedom MEMS IMU • Measure acceleration and tilt • Low cost, shock resistant, splashproof and dustproof • <5°/hr in-run bias stability • Human movement science • Activity recognition and Motion Capture • Compensated gyro bias over temperature & self-test • Surgeons hand movements tracking • Wide operating range • Measure athletic performance • Biomechanics research • Video Games & virtual reality devices Robotics • Drone Navigation and flight testing • USB connectivity • Adjustable output data: quaternion, rotation matrix, euler Angles, linear Acceleration • Intuitive and flexible user interface provides easy-to-use

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VMU931 DATASHEET-2

Technical Specifications Mechanical specifications Operating sensors Axes Range Resolution Nonlinearity Absolute Maximum Ratings Feature Without casing VMUReader Pro aluminum case Static Accuracy In-Run Bias stability Electrical specifications WIth casing Operating temperature Static Accuracy Shock tolerance Analogue specifications Environmental protection Supply volatge Acquisition Rate Communication interface Sensor Mounting Dimensions TOP SIDE SIDE VIEW VMU931 Y 1 DOWEL PINS MOUNTING HOLES C O N TA C T Variense, Inc. 1144 Villeray street #304 H2R 1J6, Montreal, Quebec Phone: 1 844 827 4367...

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