High Precision Strapdown Inertial Navigation System

• 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
• Transport Package: Carton
• Specification: 47*44*14mm
• Trademark: SkyMEMS
• Origin: China
• HS Code: 9014100000
• Production Capacity: 2000/Month

Product Description

IMU488M High Precision Strapdown Inertial Navigation System


Main Features
- Precision 10 DoF MEMS Inertial Measurement Unit
- Dynamic Range: Gyro ±450°/s,  Acc ±16g
- Bias Stability: Gyro: 1°/h, Acc 45µg (Allan)
- Full Temperature Range Accuracy: Built-in High
  Performance Temperature Calibration and
  Compensation Algorithm


Brief Introduction
IMU488M Inertial Measurement Unit is a high performance tactical grade MEMS Inertial Measurement Unit, it is composed of 1°/h (Allan) bias stability MEMS gyroscope and 45µg (Allan) bias stability MEMS accelerometer, which 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, which reduces the cost deeply. The system enjoys small size and light weight, and it has been widely applied in tactical UAS Navigation & Control, Precise Guided Bomb, Rocket, Seeker, Platform Stabilization, etc.


Technical Specifications 

Technical Specs
Parameter	Test Condition	Value			Unit
		Min	Typical	Max
Gyroscopes
Dynamic Range		±400	±450	-	°/s
Bias Stability	Allan variance	-	1.0	-	°/h
Bias Repetition	Bias range in full temperature range: -40~+85°C	-	0.08	0.12	°/s
Scale Factor	Scale factor  repetition, full temperature range: -40~+85°C	-	150		ppm
	Scale factor nonlinearity, FS=450°/s		150		ppm
Radom Walk			0.15		º/√h
Bandwidth				200	Hz
Accelerometer
Dynamic Range			±16		g
Bias Stability	Allan variance		0.015		mg
Radom Walk			0.025		m/s/√h
Bias Repetition	full temperature range: -40~+85°C		1.0	2.0	mg
Scale Factor Repitition	full temperature range: -40~+85°C		300		ppm
Scale factor nonlinearity			300		ppm
Bandwidth				200	Hz 3dB
Magnetometer
Dynamic Range			±2		Gauss
Resolution			120		uGauss
Noise Density			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			15	MHz
1 Channel UART	Baud rate	115.2	460.8	921.6	Kbps
Sampling Rate	SPI		2000		Hz
	UART		200		Hz

 

Technical Specs
Parameter	Test Condition	Value			Unit
		Min	Typical	Max
Electronic Characteristics
Voltage		4.5	5.0	5.5	V
Power Consumption				0.5	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			10~2000Hz, 3g
Shock Resistance			30g, 11ms
Overload Resistance	half sine, 0.5ms		1000		g
Reliability
MTBF			20000		h
Continuous Working Time			120		h

Typical Applications
-Tactical UAS Navigation & Control
- Unmanned Vehicle
- Platform Stabilization