Gyrosens is a professional manufacturer and OEM/ODM provider of inertial sensors and navigation solutions since 2008.

GSIMU005M Dual-Redundant Mini IMU

GSIMU005M features dual redundant gyro and accelerometer pairs within a 27×27×10mm compact footprint. This hardware-level backup architecture ensures continuous operation in mission-critical applications. Gyro bias <0.05°, range ±400°/s, and accelerometer range ±10g. RS-422 interface at 460800bps delivers high-speed data for aerospace, flight testing, and short-term navigation where reliability is non-negotiable.

Feature:
● Small Size,27mmX27mmX10mm
● Easy to be integrated by connect the digital interface RS422.
● Dual redundancy design to sets of gyro and accelerator integrated.
● Bias < 0.05°

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Product Introduction

GSIMU005M is an inertial measurement module developed with MEMS technology, which can measure the angular velocity and acceleration information of the carrier in three directions.

MEMS is a micro-device or system that integrates micro-sensors, micro-actuators, micro-mechanical structures, micro-power and micro-energy, signal processing and control circuits, high-performance electronic integrated devices, interfaces and communications. MEMS is a kind of independent intelligent system that can be mass-produced, the size of the system is a few millimeters or even smaller, and its internal structure is generally in the order of microns or even nanometers.

Common products include MEMS accelerometers, MEMS optical sensors, MEMS pressure sensors, MEMS gyroscopes, MEMS humidity sensors, MEMS gas sensors and their integrated products.

Interface Specification

Seq	Definition	Definition	Seq	Definition	Definition
1	FH	Frame head	11	AY1	The first Y Axis Accelerator sensor Value
2	JS	Frame Sequence	12	AZ1	The first Z Axis Accelerator sensor Value
3	TGX1	Temp. for the first Gyro X axis sensor	13	TG2	Temp. for the Second Gyro sensor
4	Gx1	The first Gyro X axis sensor Value	14	GX2	The second Gyro X axis sensor Value
5	TGY1	Temp. for the first Gyro Y axis sensor	15	GY2	The second Gyro Y axis sensor Value
6	GY1	The first Gyro Y axis sensor Value	16	GZ2	The second Gyro Z axis sensor Value
7	TGZ1	Temp. for the first Gyro Z axis sensor	17	AX2	The second X Axis Accelerator sensor Value
8	GZ1	The first Gyro Z axis sensor Value	18	AY2	The second Y Axis Accelerator sensor Value
9	TA1	Temp. for the first Accelerator sensor	19	AZ2	The second Z Axis Accelerator sensor Value
10	AX1	The first X Axis Accelerator sensor Value	20	Checksum	Check sum for bytes from byte 2 to byte 19

Dimensions

Technical Specifications

Parameter		GSIMU005M
Power supply parameter
Input Voltage		5±0.2 V DC
Input Current		≤100mA
Product performance
GYRO	Range	±400°/s
	Bias	0±0.05°/s
	Bias stability	≤30°/h
	Scale factor	70±3LSB/°/s
	Scale factor nonlinearity	≤200ppm
	Vibration error	≤0.03°/s
	Bandwidth	≥100Hz
Accelerometer	Range	±10g
	Bias	0±0.02g
	Bias stability	≤0.002g
	Scale factor	1000±30LSB/g
	Bandwidth	≥400Hz
Interface		RS422(1-bit start +8-bit data +1-bit even parity check +1-bit stop)
Baud rate		460800bps
Inner Data update speed		≤2.5ms
Environment
Operating temperature		-40～+65℃
Random vibration		6.06 g

GSIMU005M-EN-V1

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