BW-AH200 Low-Cost Attitude And Heading Reference AHRS RS232/RS485/TTL Optional

Place of Origin CHINA
Model Number BW-AH200
Minimum Order Quantity 1 set
Packaging Details BWSENSING BOX,Express package
Delivery Time 5-8 working days
Payment Terms T/T

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Product Details
Heading Accuracy 0.8° Output Mode RS232/485/TTL
Inclination Accuracy 0.5° Pitch, Roll Accuracy 0.5°
Inclination Range Pitch±90º,Roll±180º Range:X,Y,Z ±3.6 G
EMC According To GBT17626 Weight(with Cable) 280g
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RS232 small inertial measurement unit


GBT17626 small inertial measurement unit


MEMS altitude and heading reference system

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Product Description

BW-AH200 Series low-cost Attitude Heading Reference System with high-quality and reliable MEMS devices



Built-in a cost-effective accelerometer, gyroscope and magnetometer, it provides reliable heading and roll angles for the moving carrier through a multi-sensor fusion algorithm, pitch angle, angular velocity, acceleration and other information. The attitude data deviation is estimated by the 6-state Kalman filter with appropriate gain, which is suitable for the navigation, positioning and dynamic attitude measurement of unmanned vehicles.



Performance index



Attitude parameter


Pitch, Roll accuracy 0.5°
Heading accuracy 0.8°
Inclination range Pitch±90º,Roll±180º
Gyro Resolution 0.01°/sec
Range ±400°/sec
Bias stability in full temperature 20°/h(10s,1σ)
ARW <0.1 °/√h
Scale factor non-linearity ≤100ppm(1σ)
Scale factor repeatability ≤100ppm(1σ)
Bandwidth 200Hz
Accelerometer Range:X,Y,Z ±3.6 g
Bias stability



Interface characteristics Communication mode RS232/RS485/TTL
Maximum output frequency 100Hz
MTBF ≥90000 h/time
EMC According to GBT17626
Insulation resistance ≥100 MΩ
Impact resistance 2000g,0.5ms,3 times/axis
Weight(with cable) 280g



Satellite tracking

Robot control

ROV underwater robot navigation



Q1: Accuracy definition of products

A: RMS accuracy, the accuracy of each product can be traced.Accuracy test report can be provided if required.


Q2: How to select suitable model?

A: Users should check the following points:

a. Single or dual axis?

b. Common protocol, Modbus or CAN?

c. Dynamic or static Application scenarios?

d. Horizontal or vertical installation?


Q3: How to purchase?

A: If you want sample, please purchase on BWSENSING online shop. We accept Paypal/TT/CC.If you purchase in bulk, it is recommended to consult the sales for the best price.


Q4: How long is the warranty period?

A: One year.


Company introduction

Wuxi Bewis Sensing Technology LLC(BWSENSING) is an innovative fast growing company established in 2010. The company was born in The Institute of Microelectronics (IME) of Peking University. We have achieved the top spot in the middle and high-end industry applications in the Chinese market.

From 2019, BWSENSING ® is approved as our global brand.With 10 years experience in the research-design-development and manufacture of a range of Inertial sensor technology, BWSENSING posses the skills, knowledge and experience to provide fully integrated OEM/ODM design and manufacturing services for Inclinometer, Electronic Compass, IMU, AHRS, GNSS/INS and Fiber Optic Gyroscope. As the company co-founder Dr. Guangyi Shi said, we will use the Accurate and Cost-effective sensors to make a greater contribution to the global society for a better IoT world.


BW-AH200 Low-Cost Attitude And Heading Reference AHRS RS232/RS485/TTL Optional 0