MicroStrain 3DM-GV7-INS Inertial Navigation System

MicroStrain 3DM-GV7-INS Inertial Navigation System

The 3DM-GV7-INS is a rugged, tactical-grade inertial navigation system that integrates a fully calibrated MEMS IMU with an adaptive Extended Kalman Filter, accepting external GNSS inputs for enhanced navigation accuracy in GNSS-denied environments. It features low-drift gyros, precision accelerometers, and a compact IP68-rated aluminum enclosure, making it ideal for robotics, defense, and autonomous systems operating in harsh conditions.

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Description

The 3DM-GV7-INS empowers integrators with a flexible navigation solution that bridges the gap between basic AHRS and full GNSS/INS systems. Whether deployed on autonomous vehicles, robotic platforms, or defense assets, it offers dependable performance in GPS-challenged environments—without the cost or complexity of higher-end systems.

Sensor

  • Tactical grade gyro (1.5°/hr bias instability)
  • Fully calibrated over entire temperature range
  • Roll/pitch accuracy
    • Static: 0.25°
    • Dynamic: 0.5°
  • Integrated magnetometer for absolute heading tracking
  • External position and velocity inputs
  • Industry-standard NMEA input over AUX port

Operation

  • Onboard Extended Kalman Filter for attitude estimation
  • User-selectable accelerometer and gyroscope range
  • Adjustable sampling rates up to 1 KHz
  • Defense-ready: accepts encrypted GNSS receivers
  • Factory supported ROS1 and ROS2 driver
  • SensorConnect software for configuration, control, display, and logging
  • MSCL open source API for easy integration

Package

  • Ruggedized IP68 package
  • Precision-machined anodized aluminum enclosure
  • Precision alignment features
  • Compact and low profile
    • 36.2 mm x 36.6 mm x 10.2 mm
    • 17.7 grams
  • –40 to +85°C operating temperature range

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