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. range1 ±0.04 °/s
Bias change in vibration conditions2 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

- Tactical Unmanned Aerial Vehicles

- Intelligent Driving


- Surface Vehicle


- Platform Stabilization


- Precise Guided Bomb


- Industrial Robotics


Heart and Fast Service