Low Cost MEMS Inertial Measurement Unit

ER-MIMU-08
1. Smallest volume: 38.6mm x 44.8mm x25.5mm;
2. Light weight: ≤70g;
3. Temperature compensation: -40℃~ + 80℃.

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Introduction

ER-MIMU-08 Low Cost MEMS Inertial Measurement Unit

Introduction
ER-MIMU-08 is the world’s smallest six axis MEMS IMU. Inertial Measurement Unit, referred to as IMU, is a device to measure the attitude angle (or angular velocity) and acceleration of the three axis of the object. With the built-in accelerometer sensor and gyroscope, the IMU can measure the linear acceleration and rotation angular velocity from three directions and can obtain the attitude, velocity and displacement information of the carrier through the resolving.

Features
Smallest volume: 38.6mm x 44.8mm x25.5mm
Light weight: ≤70g
Temperature compensation: -40℃~ + 80℃
Products with wide voltage design: 6v~12v
Gyro bias instability: ≤1°/h
Gyro bias stability (10s,1σ): ≤5°/h
Gyro angular random walk: 0.25°/√h
Accelerometer bias repeatability: 100ug
Accelerometer bias stability (10s 1σ): <50ug
Accelerometer class II non-linearity coefficient: <100ug/g2
6V power supply, low power consumption 2W
RS422 bus communication, baud rate from 230400~921600 can be set

Application
Azimuth, attitude, position measuring and keeping in GNSS-assisted INS
Heading, pitch, roll measuring in AHRS for UAV
Motion survey and keeping in MRU
Attitude & azimuth keeping, positioning in IMU
Stabilizing & Pointing in satellite antenna, target tracking system
Robotic Control & Orientation in autonomous machines, unmanned vehicles

Specifications

Item	Parameter	A	B	Unit
Gyro performance
Range		400	400	deg/s
Scale Factor at 25°C		20000	20000	LSB/deg/s
Scale Factor VS Temperature (1σ)		±500	±500	ppm
Scale Factor Non-Linearity (1σ)		<200	<200	ppm
Bias Instability(1σ 25℃)		1	1	deg/hr
Bias stability (10s 1σ)		5	4	deg/hr
Angular Random Walk		<0.25	<0.2	°/ √h
Bias Repeatability(1σ 25℃)		5	4	deg/hr
Accelerometer performance
Range		30		g
Bias Stability (10s 1σ)		<50		ug
Bias Repeatability		100		ug
Bias Temp Coefficient		<20		ug/℃
Bias Temp Hysteresis		<1.5		mg
Scale Factor Non-linearity		<500		ppm
Scale Factor Month Repeatability		<30		ppm
Scale Factor Temp Coefficient		10		ppm/℃
Class II Non-linearity Coefficient		<100		ug/g2
Scale Factor		250000		Lsb/g
Environment and power
Operate temperature		-40~+80		℃
Storage temperature		-55~+105		℃
Power supply		6~12V DC		V
Power (Power supply 6)		2		W
Communication interface		RS-422
Physical characteristics
Size		38.6 x 44.8 x 25.5		mm
Weight		≤70		g