GCM370-MI-SJ Low Power Consumption High Precision 3D Electronic Compass | High Precision 3-axis Magnetometer Sensor

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3D Electronic Compass

GCM370-MI-SJ

Low Power Consumption High Precision 3D Electronic Compass

Azimuth accuracy: 0.5°
Tilt resolution: 0.1°
Tilt accuracy: <0.2° (full range)
Standard TTL output interface
Roll angle measurement range: ±180°

Product manual

Product Introduction

The GCM370-MI-SJ 3D compass features low power consumption and excellent measurement resolution, exhibiting balanced performance in noise suppression and temperature drift stability. Utilizing mature hard and soft iron calibration algorithms, and coupled with a high-performance accelerometer for tilt compensation, it provides reliable heading output across the entire 360° tool face range. Even in applications with fixed magnetic interference, it maintains high measurement consistency and accuracy.

This product integrates a triaxial magnetometer and a triaxial accelerometer. Leveraging a robust industrial-grade microcontroller with strong anti-interference capabilities, it calculates heading data in real time and uses the triaxial accelerometer for heading compensation over a wide range of tilt angles, resulting in excellent overall reliability and stability. Its compact structure and low power consumption make it particularly suitable for applications with strict size and energy consumption requirements, such as drilling measurements, and it can be easily integrated into various terminal devices. Currently, this product is widely used in handheld terminals, mobile devices, antenna attitude control, vehicle systems, and system integration.

Performance Parameters

GCM370-MI-SJ		Parameter Indicators
Compass heading parameters	Optimal heading accuracy	0.5°
Compass heading parameters	Resolution	0.1°
Compass tilt parameters	Pitch accuracy	0.1°<15°（Measurement Range)
		0.1°<30°（Measurement Range)
		0.1°<60°（Measurement Range)
		0.2°<85°（Measurement Range)
	Pitch roll range	±85°
	Roll accuracy	0.1°<15°（Measurement Range)
		0.1°<30°（Measurement Range)
		0.1°<60°（Measurement Range)
		0.2°<180°（Measurement Range)
	RollTilt Range	±180°
	Resolution	0.1°
Calibration	Hard Iron Calibration	Yes
	Soft Iron Calibration	Yes
	Magnetic Field Interference Calibration Method	Planar rotation calibration / Multi-point calibration (optional)
Physical characteristics	Board Dimensions	L67×W12×H9mm
	Board Weight	≤10g (excluding terminal wire)
	Board Terminal Lines	30cmterminal wire
	Output Interface	TTL
Interface characteristics	Startup Delay	<50ms
	Maximum Output Rate	20Hz/s
	Communication Rate	9600to115200baud（Default9600)
	Output Format	Binary high-performance protocol
Power supply	Supply Voltage	DC +5V
	Operating Current	5mA
	Sleep Mode	343UA
Environment	Operating Range	-40℃~+85℃
	Storage Temperature	-40℃~+85℃
	Vibration Resistance	100g
Protection performance	IP67
Electromagnetic compatibility	Compliant with EN61000 and GBT17626
Mean time between failures (MTBF)	≥98000 hours/cycle
Insulation resistance	≥100 megohms
Shock resistance	100g@11ms, triaxial (half-sine wave)
Vibration resistance	10grms/10~1000Hz

Product Size