BW-AH227 Low-Cost Modbus Attitude And Heading Reference AHRS

Place of Origin CHINA
Model Number BW-AH227
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°
Bias Stability In Full Temperature 20°/h(10s,1σ) Range:X,Y,Z ±3.6 G
MTBF ≥90000 H/time Impact Resistance 2000g,0.5ms,3 Times/axis
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RS232 Attitude And Heading Reference System


TTL Attitude And Heading Reference System


imu inertial measurement unit accuracy 0.5

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Product Description

BW-AH227 Series low-cost Modbus Attitude Heading Reference System Pitch, Roll accuracy 0.5° Gyro Range ±400°/sec



It uses high-quality and reliable MEMS devices, and uses temperature compensation and zero-drift correction algorithms to ensure measurement accuracy. At the same time, the sealing design and strict production process ensure that the product can still work reliably in harsh environmentsThis product is widely used in assisted driving, unmanned vehicles, unmanned aerial vehicles, robots, and underwater equipment.


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
BW-AH227 Low-Cost Modbus Attitude And Heading Reference AHRS 0
BW-AH227 Low-Cost Modbus Attitude And Heading Reference AHRS 1


Drilling equipment measurement and control

Unmanned car

Stable platform



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.


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