VectorNav Device / Instrument
VN-100
Industrial-grade MEMS IMU/AHRS with 3-axis accelerometers, gyros, magnetometers and barometer; 800 Hz IMU and 400 Hz attitude data with heave output.
Description
The VN-100 is a miniature Inertial Measurement Unit (IMU) and Attitude Heading Reference System (AHRS). It combines 3-axis accelerometers, gyros and magnetometers with a barometric pressure sensor and a 32-bit processor, and outputs a real-time 3D attitude solution over the full 360° of motion. Introduced in 2009, it was the first AHRS to combine calibrated industrial-grade MEMS sensors and sensor fusion in a single surface-mount package.
Key features
- Available as a 24 x 22 x 3 mm, 3.5 g SMD module or a 36 x 33 x 9 mm, 15 g Rugged anodized-aluminum unit
- VPE 2.0 disturbance rejection and on-board hard/soft-iron compensation
- Heave output with 5% or 5 cm accuracy
- Gyro in-run bias stability < 10°/hr (5°/hr typical)
- Made in the USA, ITAR-free
Applications
VectorNav lists the VN-100 in its bathymetric survey application note and markets its IMU/INS range for surface vessel navigation and stabilized marine systems.
Specifications
| Gyro In-Run Bias Stability | < 10°/hr (5°/hr typ.) |
|---|---|
| Accelerometer Range | ±16 g |
| Pitch/Roll (Static) | 0.5° RMS |
| Heading (Magnetic) | 2.0° RMS |
| Heave Accuracy | 5% or 5 cm |
| Data rate | 800 Hz IMU data; 400 Hz navigation data |
| Size (SMD) | 24 x 22 x 3 mm |
| Weight (SMD) | 3.5 g |
| Size (Rugged) | 36 x 33 x 9 mm |
| Weight (Rugged) | 15 g |
| Operating Temperature | -40 °C to +85 °C |
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