BW-AH300 Cost-Effective Attitude Heading Reference System AHRS RS232/RS485/TTL

Place of Origin CHINA
Model Number BW-AH300
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
Pitch/Roll Accuracy 0.3° Heading Accuracy 0.5°
Bias Stability At Full Temperature 15°/h(10s,1σ) Accelerometer Bias Stability 0.001mg(25℃,100s,1σ) 0.01mg(25℃,10s,1σ)
Scale Factor Non-linearity ≤100ppm(1σ) Gyro Range ±400°/sec
Tilt Range Pitch±90º,Roll±180º Range:X, Y, Z ±3.6 G
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Attitude And Heading Reference System


Attitude And Heading Reference System RS485


inertial management unit TTL

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Product Description

BW-AH300 Series Cost-effective Attitude Heading Reference System RS232/RS485/TTL Resolution 0.01°/sec




BW-AH300 has a built-in high-precision accelerometer, gyroscope and magnetometer, and 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. It is a cost-effective Attitude and Heading Reference System independently developed and produced by Bewis.



Performance index

Attitude parameter


Pitch/Roll accuracy 0.3°
Heading accuracy 0.5°
Tilt range Pitch±90º,Roll±180º
Gyro Resolution 0.01°/sec
Range ±400°/sec
Bias stability at full temperature 15°/h(10s,1σ)
Angle random walk coefficient <0.1 °/√h
Scale factor non-linearity ≤100ppm(1σ)
Scale factor repeatability ≤100ppm(1σ)
Bandwidth 100Hz
Accelerometer Range:X, Y, Z ±3.6 g
Bias stability



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





































BW-AH300 Cost-Effective Attitude Heading Reference System AHRS RS232/RS485/TTL 0



BW-AH300 Cost-Effective Attitude Heading Reference System AHRS RS232/RS485/TTL 1








Unmanned car

Stable platform

Robot control

Unmanned aircraft



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-AH300 Cost-Effective Attitude Heading Reference System AHRS RS232/RS485/TTL 2