WitMotion HWT9053-485 Accelerometer Inclinometer AHRS, Gyro+Mag Electronic Compass, RS485/CAN, IP67, X/Y ±0.001°, 0.2–200 Hz

Overview

WitMotion HWT9053-485 is an industrial-grade 9-axis attitude/heading sensor that integrates 3-axis accelerometer, 3-axis gyroscope, and 3-axis magnetometer with an onboard fusion algorithm. It features IP67 waterproof aluminum housing, RS485 (Modbus-RTU) or CAN output, and Windows PC software for real-time dashboard, curves, and 3D demo visualization. With temperature compensation and a magnetically compensated compass, it delivers X/Y-axis angle accuracy of ±0.001° and maintains reliable Z-axis heading even under strong magnetic interference. The kit includes SDK resources (manual, PC software, drivers, and sample programs).

Key Features

• High-precision attitude & heading: X/Y ±0.001°, Z ±0.1° (heading remains accurate under strong magnetic interference).

• 9-axis data: acceleration, angular velocity, Euler angles, magnetic field, quaternion, and time.

• Rugged IP67: dustproof, waterproof, shock-resistant aluminum enclosure.

• Fusion algorithm & Kalman filtering with temperature compensation.

• Interfaces: RS485 (Modbus-RTU) and CAN (private protocol).

• Configurable output with 0.2–200 Hz return rate and adjustable baud.

• PC tools: real-time charts, dashboard, 3D motion demo, visual magnetic calibration, data recording & TXT export.

• SDK: serial drivers, STM32 routines, sample code, datasheet/manual.

Specifications

Wiring (from diagrams)

RS485 (4-pin): Red=VCC 5–36 V, Yellow=A, Green=B, Black=GND.
CAN (4-pin): Red=VCC 5–36 V, Yellow=CANH, Green=CANL, Black=GND.

Data Protocol (Angle Packet)

• Header: 0x50

• Cmd: 0x03 (angle data)

• Length: 0x08

• Bytes: LRollH, LRollL, HRollH, HRollL, LPitchH, LPitchL, HPitchH, HPitchL, CRCH, CRCL (per table).

• Angle formulas (examples):

  • Roll (x): ((HRollH<<24)|(HRollL<<16)|(LRollH<<8)|LRollL)/1000 (°)

  • Pitch (y): ((HPitchH<<24)|(HPitchL<<16)|(LPitchH<<8)|LPitchL)/1000 (°)
    (Acceleration, angular velocity, magnetic field, and quaternion packets follow the same protocol family per the communication table.)

Software & Tools

• Windows PC software (Minimu.exe): configuration (algorithm selection, install direction, bandwidth, rate, address), dashboard, raw/angle/mag views, 3D demo, graphing.

• Magnetic calibration UI with ellipse fitting and offset adjustment.

• Data recording/export to TXT.

• SDK folders: serial driver, STM32 routines, sample program, PC software, manual.

Reliability & Build

• Military-grade magnetometer + crystal gyroscope fusion; anti-noise, no-hysteresis behavior.

• Quality assurance shown: high-temp aging, triaxial turntable, long-term reliability, salt-spray, simulated transport, aging tests.

Typical Applications

AGV/AMR attitude sensing, drone/robot AHRS, platform leveling, antenna/vehicle navigation heading, marine and industrial tilt/heading monitoring.

Details

9-axis high-precision angle sensor with 3-axis Acc, Gyro, Angle, Mag. Calibrated for 0.001° precision using Witmotion algorithm.

Industrial-Grade Attitude Measurement Sensor featuring a high-precision chip with low-noise, low-drift, and temperature compensation for resistance to environmental interference. Includes a mag-compensated compass chip offering high-resolution and auto-recovery calibration. Equipped with an MCU processor for high-speed, high-performance data processing. Provides IP67 protection, ensuring waterproof, dustproof, and shockproof capabilities. Constructed with a robust aluminum housing that resists rust and corrosion, ensuring durability in demanding environments.

Temperature compensation with AEC-Q100 certified high-precision chips ensures stability. Military-grade magnetometer, crystal gyroscope, and fusion algorithm deliver anti-noise performance, no hysteresis, and accurate heading angle under magnetic interference.

IP67 waterproof aluminum casing ensures durability in harsh environments. Kalman filter fusion algorithm enhances accuracy with 0.001° precision in X/Y axes and 0.1° in Z axis, maintaining reliability under magnetic interference.

AHRS Sensor provides real-time attitude data, 3D models, and configuration tools. It delivers angle readings, calibration, alarm settings, and intuitive motion visualization for accurate orientation tracking.

WitMotion HWT9053-485 AHRS sensor provides real-time data through clear graphs and a dashboard. It monitors acceleration, angular velocity, magnetic field, pressure, angle, quaternion, location, and GPS for quick reference.

Intuitive configurations for acceleration and magnetic calibration, visualizable magnetic calibration with ellipse fitting, and powerful data storage in TXT format for export and analysis.

WitMotion HWT9053-485 AHRS sensor operates on 5-36V, draws <30mA, supports RS485/CAN, delivers 3D data, ±2g acceleration, ±400°/s angular velocity, high accuracy, compact 1.85×1.45×0.78 inch, ~96.5g, mountable vertically/horizontally.

AHRS Sensor HWT9053-485 includes RS485/CAN wiring diagrams, pin assignments, data protocol. Outputs roll/pitch angles with checksums and byte formatting for accurate communication.

SDK Development Kits include free tutorials, manuals, datasheets, sample codes, and Windows software. Quality assurance involves high-temp aging, triaxial turntable testing, long-term reliability, salt spray, simulated transportation, and aging tests.

WitMotion HWT9053-485 AHRS Sensor with factory equipment and product display, including automatic solder paste printer, SMT machine, reflow soldering, inspection, and X-ray sampling.