GCM508 Analog Output 3-Axis Electronic Compass Module

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3D Electronic Compass

GCM508

3D Electronic Compass with Analog Output

Azimuth accuracy: 0.3°–0.5°
Analog 4–20 mA output
Roll angle measurement range: ±180°
Optional RS232/RS485/TTL output interfaces
Includes hard-iron, soft-iron, and tilt compensation

Product manual

Product Introduction

The GCM508 3D compass is a high-precision attitude measurement sensor independently developed by Ruicom Technology. It supports both RS232 digital output and 4–20mA analog output, features an IP67 ingress protection rating, and is well-suited for drilling measurement applications. The device incorporates calibration algorithms for hard-iron and soft-iron magnetic field interference, ensuring high-precision heading data output across the full 360° range of roll angles and any tool-face orientation.

Utilizing a three-axis magnetic sensing solution, the GCM508 employs a main control unit to calculate heading in real time. It integrates a three-axis accelerometer, enabling heading compensation for tilt across a wide range of inclination angles, while delivering high performance and exceptional stability. With its compact form factor and low power consumption, the GCM508 is ideal for a variety of applications—including antenna attitude monitoring, vehicle-mounted equipment, and integrated system solutions—making it a perfect fit for diverse miniaturized precision measurement systems.

Performance Parameters

GCM508		Parameters indicators
Compass Heading Parameters	Optimal Heading Accuracy	0.3°
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 Tilt Range	±85°
	Roll Accuracy	0.1°<15°(Measurement Range)
		0.1°<30°(Measurement Range)
		0.1°<60°(Measurement Range)
		0.2°<180°(Measurement Range)
	Roll Tilt Range	±180°
	Resolution	0.1°
Calibration	Hard-Iron Calibration	Yes
	Soft-Iron Calibration	Yes
	Magnetic Interference Calibration Method	24-Point (3D Calibration)
Physical Characteristics	Enclosure Dimensions	L125×W22×H24mm
	Enclosure Weight	90g
	DigitalInterface Connector	5-Pin Aviation Connector
Interface Characteristics	Startup Delay	<50ms
	Maximum Output Rate	20Hz/s
	Communication Baud Rate	2400to19200baud
	Output Format	High-performance binary protocol
Analog Output	4–20 mA FS (0–360°)	4–20 mA output (azimuth only)
Power Supply	Supply Voltage	DC 12V (default)
	Current (Maximum)	40mA
	Active Mode	28mA
	Sleep Mode	TBD
Environmental	Operating Range	-40℃～+85℃
	Storage Temperature	-40℃～+85℃
	Vibration Resistance	2500g
Electromagnetic Compatibility (EMC)	In accordance with EN 61000 and GB/T 17626
Mean Time Between Failures (MTBF)	≥98,000 hours/cycles
Insulation Resistance	≥100 MΩ
Shock Resistance	100g @ 11 ms, three axes (half-sine wave)
Vibration Resistance	10grms、10～1000Hz

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