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Overview

1. A high-performance three-dimensional motion attitude measurement system based on MEMS technology, including a three-axis gyroscope, a three-axis accelerometer, and a three-axis electronic compass, providing high-precision, high-dynamic, and real-time compensated three-axis attitude angles with a wide measurement range range, excellent noise immunity, no hysteresis, and stable temperature characteristics.

2. Kalman filtering combined with a sensor fusion algorithm with independent intellectual property rights can provide data with an update rate of up to 200Hz in real time to achieve accurate motion capture and attitude estimation.

3. It has the country's leading high-precision turntable equipment and instruments, and the products integrate self-developed high-precision calibration and calibration algorithms to improve the measurement accuracy of the products.

4. Provides high-precision, high-dynamic, real-time compensated three-axis attitude angle, which can work stably for a long time in various harsh industrial environments.

5. At the same time, we provide various host computers, operating instructions, development manuals, and development codes that users need to minimize the research and development time for various needs.

6. Flexible selection and configuration of various types of data can be used to meet various application scenarios.

7. It can accurately output the current attitude of the module in a dynamic environment. The attitude measurement accuracy is statically 0.05°, the stability is extremely high, and the performance is even better than some professional inclinometers.

Specifications

Accelerometer parameters

Parameters	Condition	Typical value
Measuring range		±6g
Resolution ratio	±6g	0.00075(g/LSB)
RMS noise	Bandwidth=100Hz	1.2mg-rms
Static zero drift	Place horizontally	±20mg
Temperature drift	-40°C ~ +125 °C	±0.09mg/℃
Bandwidth		5~256Hz

Gyroscope parameters

Parameters	Condition	Typical value
Measuring range		±2000°/s
Resolution ratio	±2000°/s	0.061(°/s)/(LSB)
RMS noise	Bandwidth=100Hz	0.028~0.07(°/s)-rms
Static zero drift	Place horizontally	±0.5~1°/s
Temperature drift	-40°C ~ +85°C	±0.005~0.015 (°/s)/℃
Bandwidth		5~256Hz

Magnetometer parameters

Parameters	Condition	Typical value
Measuring range	loop count value(200)	-800uT to +800 uT
linearity ±200uT	loop count value(200)	0.6%
Resolution ratio	loop count value(200)	13nT/LSB

Pitch and roll angle parameters

Parameters	Condition	Typical value
Measuring range		X:±180°
Measuring range		Y:±90°
Inclination accuracy		0.05°
Resolution ratio	Place horizontally	0.0055°
Temperature drift	-40°C ~ +85°C	±0.5~1°

Heading angle parameter

Parameters	Condition	Typical value
Measuring range		Z:±180°
Heading accuracy	9-axis algorithm, magnetic field calibration, dynamic/static	1°（Without interference from magnetic fields）【1】
Heading accuracy	6-axis algorithm, static	0.5°（Dynamic integral cumulative error exists）【2】
Resolution ratio	Place horizontally	0.0055°

Note:【1】Please perform magnetic field calibration in the testing environment before use to ensure that the sensor is familiar with the magnetic field in the environment. During calibration, please stay away from magnetic interference.

【2】In some vibration environments, there will be cumulative errors. The specific errors cannot be estimated and are subject to actual testing.

Application

· Virtual reality/augmented reality, head-mounted displays

· Large-scale agricultural automatic farming

· Safety monitoring of high-altitude operations

· Drones, manned aircraft

·Industrial attitude monitoring

·Human motion tracking/capture

· Robots, autonomous guided transport vehicles

· Pedestrian navigation

· Unmanned driving/assisted driving

·Military, intelligent weapons and equipment

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Product Information

Video

HWT905

0.05° Accuracy Inclinometer HWT905

Pitch and roll angle parameters

Heading angle parameter