High Precision Inertial Navigation Unit

• Customization: Available
• Type: Inertial Measurement Unit
• Output Signal Type: Digital Output
• Model NO.: IMU488M
• Measuring Shaft Quantities: 10
• Accuracy Grade: 1degree/H
• IP Rating: IP67
• Certification: ISO
• Customized: Non-Customized
• Dynamic Range: Gyro: +-450deg/S, Acc: +-16g
• Bias Stability: Gyro: 1deg/H, Acc 30ug (Allan)
• Working Temperature: -40~+85degc
• Interface: Uart, Spi
• Transport Package: Carton
• Specification: 47*44*14mm
• Trademark: SkyMEMS
• Origin: China
• HS Code: 9014100000
• Production Capacity: 2000/Month

Product Description

IMU488M Hight Performance Inertial Measurement Unit 


Main Features
- Precision 10 DoF MEMS Inertial Measurement Unit
- Dynamic Range: Gyro ±450°/s, Acc ±16g
- Bias Stability: Gyro: 1°/h, Acc 30μg (Allan)
- Full Temperature Range Accuracy Assured: Built-in
High Performance Temperature Calibration and
Compensation Algorithm
- High Bandwidth, SPI Sampling Rate up to 2000Hz
- Working Temperature: -40~+85°C


Brief Introduction
IMU488M Inertial Measurement Unit is a high performance tactical grade MEMS Inertial Measurement Unit, which MEMS gyroscope enjoys 1°/h (Allan) bias stability and MEMS accelerometer enjoys 30μg (Allan) bias stability, and it can output precise 3-axis outputs of angular rate, 3 axis acceleration data, 3 axis magnetometer data, and barometer data, etc.
IMU488M Inertial Measurement Unit adopts latest MEMS technology and advanced MEMS components, and IMU488M has been produced in bulk, which reduces the cost deeply. IMU488M enjoys excellent measurement performance, small size, light weight, and high reliability and robustness, it can output precise measurement data in harsh environment, and it has been widely applied in tactical unmanned aerial vehicles, intelligent driving, surface vehicle, platform stabilization, precise guided bomb, industrial robotics, etc.


Technical Specifications  

Parameter	Test Condition	Value			Unit
		Min	Typical	Max
Gyroscopes
Dynamic Range			±450		°/s
Bias Stability	Allan variance		1		°/h
	10s average (-40~+85°C, fixed temp.)
Radom Walk			0.1		º/√h
Bias Repetition			4		°/h
Bais	Bias change at full temp. range^1		±0.04		°/s
	Bias change in vibration conditions^2		6		°/h
Scale Factor Nonlinearity			100		ppm
Resolution			3.052*10^-7		º/s/LSB
Bandwidth			200		Hz
Accelerometer
Dynamic Range			±16		g
Bias Stability	Allan variance		0.03	0.045	mg
	10s average (-40~+85°C, fixed temp.)		0.06		mg
Radom Walk			0.01		m/s/√h
Bias Repetition			0.06		mg
Scale factor nonlinearity			100		ppm
Resolution			1.221*10^-8		g/LSB
Bandwidth			200		Hz
Magnetometer
Dynamic Range		±2			Gauss
Resolution			120		uGauss
Noise RMS	10Hz		50		uGauss
Bandwidth			200		Hz
Barometer
Pressure Range		450		1100	mbar
Resolution			0.1		mbar
Absolute Accuracy			1.5		mbar
Communication Interface
1 Channel SPI	Baud rate			25	MHz
1 Channel UART	Baud rate		230.4		Kbps
Sampling Rate	SPI		2000		Hz
	UART		200		Hz
Electronic Characteristics
Voltage		3	3.3	3.6	V
Power Consumption				1.5	W
Ripple Wave	P-P			100	mV
Physical Characteristics
Dimension			47*44*14		mm
Weight			50		grams
Working Environment
Working Temperature		-40		85	°C
Storage Temperature		-45		105	°C
Vibration Resistance			20~2000Hz, 6.06g
Shock Resistance			1000g, 0.5ms
Reliability
MTBF			20000		h
Continuous Working Time			120		h
1: The bias value is calculated based on the whole temperature change peroid, the temperature changing rate<=2°C/minute, temperature range:-40~+85°C; 2: (before vibration average value +after vibration average value) /2-during vibration average value, the vibration conditions are 6.06g, 20~2000Hz

Typical Applications
- Tactical Unmanned Aerial Vehicles
- Intelligent Driving
- Surface Vehicle
- Platform Stabilization
- Industrial Robotics