Galileo Digital Magnetic Compass
Motion Sensors

Compact Digital Magnetic Compass for Heading Determination
- Heading Accuracy±1°
- Roll & Pitch Accuracy±0.5°
- Max Output Rate20Hz
- Current Consumption< 150mA
Galileo Digital Magnetic Compass
The Galileo GLO-DMC300 is a compact, low-power digital magnetic compass that measures magnetic heading, roll and pitch with a triaxial MEMS accelerometer and magnetometer. Heading is tilt-compensated, with ±1° (1σ) heading and ±0.5° (1σ) roll and pitch accuracy under the conditions given in the datasheet. RS232 or RS485 output suits unmanned vehicle, marine, surveying and antenna orientation applications.
How GLO-DMC300 Processes Sensor Data
Accelerometer and magnetometer readings are fused through a proprietary digital filter to deliver stable, tilt-compensated heading, roll and pitch.
In
Out
- ACCELEROMETERTriaxial MEMS · Roll & Pitch (Static)
- MAGNETOMETERTriaxial · ±2 gauss
- HEADING0.01° Res. · ±1° Accuracy
- ROLL & PITCHTilt-Compensated Output
Built for Precision Direction Sensing
High Accuracy Compass
Delivers digital compass heading with high resolution and accuracy for demanding navigation tasks.
Communication
RS232 and RS485 interface options make it easy to integrate with an external controller.
Tilt Compensation
Tilt-compensated heading output accounts for low-dynamics roll and pitch movement.
User Calibration
On-site hard iron and soft iron calibration via the desktop software utility improves accuracy.
Low Power Consumption
Draws less than 150 mA at 12 V, suited for integration into battery-powered equipment.
Low-Noise MEMS Sensors
Built around low-noise triaxial accelerometer and magnetometer sensors for stable output.
Technical Specifications
Roll & Pitch
| Roll Range | ±180° |
|---|---|
| Pitch Range | ±60°Full accuracy range |
| Accuracy | ±0.5° (1σ)In static/semi-static conditions |
| Resolution | 0.01° |
| Output Rate | 1 / 10 / 20 HzUser configurable |
Heading
| Accuracy | ±1° (1σ)In static/semi-static conditions, latitudes ±60°, Roll/Pitch < 45° |
|---|---|
| Resolution | 0.01° |
| Range | ±180° |
| Magnetometer Range | ±2 gauss |
Environmental
| Operating Temperature | −10°C to +70°C |
|---|---|
| Humidity | 0 – 95% |
| Sealing | IP50 |
Interfaces
| Protocol | RS232 ASCII or RS485 ASCII or RS485 RTU |
|---|---|
| Baud Rate | 9600, 19200, 38400, 57600, 115200 |
Electrical
| Power Supply | +9 to +28 V DC |
|---|---|
| Current Consumption | < 150 mA@ 12 V DC |
Mechanical
| Dimensions | 106.7 (L) × 47.6 (W) × 27.5 (H) mm |
|---|---|
| Weight | 180 ± 25 g |
Accuracy figures are 1σ, valid within latitudes of ±60° with roll/pitch under 45°.
Applications
Unmanned Vehicle Navigation
Robot Navigation
Marine Navigation
Antenna Orientation
Surveying
Questions
Common questions about the GALILEO GLO-DMC300 Digital Magnetic Compass.
What is the heading accuracy of the GLO-DMC300?
The GLO-DMC300 achieves ±1° (1σ) heading accuracy in static and semi-static conditions, valid within latitudes of ±60° and roll/pitch under 45°.
What interfaces does it support?
It supports RS232 ASCII, or RS485 ASCII/RTU, at baud rates of 9600, 19200, 38400, 57600 or 115200.
Does the compass need calibration?
Yes — the GLO-DMC300 supports hard iron and soft iron calibration, performed through the bundled desktop configuration suite.
What output rates are available?
The output rate is user-configurable at 1, 10 or 20 Hz.
What is the operating environment rating?
The device operates from −10°C to +70°C, 0–95% humidity, with IP50 sealing.
Other products
Other products from Robotics & Industrial, sized by their real dimensions.
Contact
Ask for a price on Galileo Digital Magnetic Compass, or talk to one of our engineers about your application.
Sales
Products, quotes and demos
Technical support
Help with an installed product
Careers
Jobs and applications
Offices
India
Head office and design centre, Pune
Plot No. 7, Lane No. 5, Laxman Nagar, Balewadi
Pune, Maharashtra 411045, India
Factory, Pune
Vivan Kohli Industrial Park, Shed No. 5, Gat No. 446
Old Pune-Mumbai Highway, Naigaon, Kanhe Phata, Talegaon
Pune, Maharashtra 412106, India
Sales and support, Bengaluru
First Floor, Building No. 11, Sai Anugraha
Jeevan Bhima Nagar Main Road
Bengaluru, Karnataka 560075, India
Sales and support, Vijayawada
Door No. 52-1/4-8D, Plot No. 9, 5th Cross Road
Veterinary Colony
Vijayawada, Andhra Pradesh 520008, India
International
Aeron Systems Pvt. Ltd., Sharjah
Saif Executive Office # P8-17-02
Sharjah Airport International Free Zone Authority
PO Box 8000, Sharjah, U.A.E.


