DMC640: Compact, Cost-Effective Attitude and Heading Reference System

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Product Description

The DMC640 utilises a highly reliable and interference-resistant industrial-grade microcontroller, alongside high-precision magnetic sensors and driver chips. It incorporates BWSensing’s proprietary fast calibration and anti-interference algorithms, enabling magnetic field calibration during arbitrary spatial movement and the suppression of short-term magnetic interference. Equipped with a 3-axis accelerometer and a 3-axis gyroscope for inclination compensation, it provides accurate raw data even in harsh environments. The product supports IAP firmware updates during operation without the need to remove the chip or use dedicated programmers. Algorithms can be customised to meet customer requirements, making it an ideal choice for cost-conscious users.

Product Specifications

● Three-axis gyroscope, three-axis magnetometer, three-axis accelerometer ● IMU output up to 1000 Hz ● Rapid calibration algorithm ● High precision, compact size ● Wide operating temperature range: -40°C to +85°C ● Dimensions: L10 × W10 × H2.4 (mm)

Company Profile

Wuxi Beiwei Sensing Technology Co., Ltd.

Beiwei Sensing is a national high-tech enterprise funded by the China Electronics Haikang Group. In 2025, it was awarded the national “Specialised, Refined, Unique and Innovative” (SRUI) ‘Little Giant’ title, has twice won the Gold Award at the World Internet of Things Expo, is a drafter of numerous national standards, and holds over 100 relevant intellectual property rights. Headquartered in Binhu District, Wuxi, the company has branches in Beijing, Chengdu, Hangzhou and other locations. It is also recognised as a Jiangsu Provincial Specialised, Refined, Distinctive and Innovative Enterprise and operates a postdoctoral workstation, utilising multiple platforms to deepen its expertise in the field of inertial sensing. With a vision to lead the global inertial sensor market, the company specialises in the R&D and production of MEMS and fibre-optic inertial sensor modules and core components. It meets diverse requirements for inertial attitude measurement and high-precision navigation and positioning, serving over 6,000 clients worldwide across sectors including smart equipment and autonomous driving. The company possesses strong R&D capabilities, with R&D and technical staff accounting for 48.1% of the workforce; over 36.1% of employees hold master’s or doctoral degrees. It has attracted numerous top-tier industry talents, undertaken several major national research projects, and established industry-academia-research collaborations with multiple universities. The company has also obtained multiple management system and product certifications. All product specifications have been tested by authoritative bodies, and we can provide CNAS-accredited accuracy traceability reports.
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