The Revolution AV+ is designed specifically for commercial, industrial and military users requiring high accuracy, repeatability, and low power consumption in dynamic environments. The Revolution AV+ is the newest addition to True North’s family of Revolution electronic compasses that have an unparalleled reputation for quality and performance.
The Revolution AV+ includes a full suite of precision, 3-axis, MEMS rotation rate, acceleration, and magnetic sensors and a dual-axis electrolytic tilt sensor (for the ultimate in near-level accuracy). All 11 sensor measurements are calibrated over a -40° to 105°C temperature range and aligned in three dimensions. In addition to azimuth output, all raw and calibrated measurements are available at up to 27.5 readings per second.
The AV+’s sensor suite consists of the following:
- 3-axis angular rate gyros
- 3-axis accelerometer
- 3-axis magnetometer
- 2-axis liquid eTilt sensor
True North offers a development kit that includes the compass, cable, and software. The Revolution AV+ is covered by a full one-year warranty for workmanship.
Product Brochure (PDF)
Revolution AV+ Brochure (PDF: 97K / 3 pages)
Features
- Static Accuracy
- Azimuth within 0.5° typical (0.1° resolution)
- Pitch and roll within 0.2°
- Dynamic Performance
- Gyro gimbal equations performed in
firmware - Azimuth within 3° typical, rates < 250°/sec
- Pitch and roll within 1° typical, rates < 250°/sec
- Gyro gimbal equations performed in
- Wide Operating Range
- Ambient temperature -40° to 105°C (-40° to 220°F)
- ±250°/sec angular rate
- Total magnetic field (earth + hard-iron) to ±1.5 Gauss
- ±80° dip angle range
- Total acceleration field to 1.5g (gravity = 1g)
- ±90° pitch & ±180° roll range using accelerometers
- Fast Response
- Up to 27.5 calibrated measurements per second
- Wake from standby in 50 msec
- Single Supply Operation
- 6 to 45V unregulated DC
- Reverse polarity protection
- Low Power
- 40 mA operating
- 10 mA sample
- 5 mA standby
- Wide Selection of ASCII or Binary Output data
- Heading, pitch, and roll
- Temperature, input voltage, and dip angle
- Magnetometer X, Y, and Z
- Total, horizontal, and vertical magnetic
field strength - Raw and conditioned IMU data
- Two independent serial channels
- Full-duplex RS-232 for the external RJ12
- Either RS-232 or full-duplex RS-485 for the internal connector
- In-System Configuration and Test
- Laptop can be connected while unit operates in situ
- Perform hard and soft iron calibration
- Monitor outputs and change user-definable setting
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