Overview
WitMotion IWT603 is an industrial-grade IMU sensor featuring a 6-axis accelerometer + gyroscope, USB signal output, and a 1000Hz (1KHz) data rate. It supports internal temperature compensation and provides acceleration, angular velocity, and angle outputs for motion measurement and attitude sensing in robotics, drones, and automation projects.
Key Features
- USB signal; USB serial port connection with PC for fast data acquisition
- 1KHz rate (1000Hz)
- 6-axis: acceleration, angular velocity, and angle outputs
- Auto-Spec interface
- Temperature compensation (Temp Comp)
- Multi-interface support
- Kalman filter fusion algorithm (WitMotion algorithms): X/Y angle 0.1°, Z axis 0.5° (remain accurate under strong magnetic interference)
- Turntable calibration; stated as 100% factory-calibrated with a 1" accuracy turntable before shipping
- Free software: dashboard view, real-time curve display with dynamic data updating, and mode switching (4 patterns)
- Supports Matlab real-time analysis or analysis of imported recorded data
- Compact & lightweight (small volume)
Specifications
General
| Model | IWT603 |
| Type | Industrial-Grade IMU |
| Axes | 6-axis |
| Data rate | 1KHz (1000Hz) |
| Signal / connection | USB signal; USB serial port (PC connection) |
| Temperature compensation | Yes (Temp Comp) |
Gyro Parameters
| Range | ±2000°/s |
| Resolution (±2000°/s) | 0.061(°/s)/(LSB) |
| RMS Noise (Bandwidth) | 0.005(°/s) |
| Static Z-Drift (Horiz.) | ±0.5~1°/s |
| Temp. Drift (-40°C ~ +85°C) | ±0.005~0.015 (°/s)/°C |
| Bandwidth | 5~256Hz |
| Bias Stab. (10-Pt Smoothing (1σ)) | 3.19°/h |
| Bias Instab (Allan Var.) | 2.24°/h |
| Random Walk Coefficient (Velocity) | 0.25°/sqrt(h) |
Accel. Parameters
| Range | ±16g |
| Resolution (±16g) | 0.0005(g/LSB) |
| RMS Noise (Bandwidth) | 0.75~1mg-rms |
| Static Z-Drift (Horiz.) | ±20~40mg |
| Temp. Drift (-40°C ~ +85°C) | ±0.15mg/°C |
| Bandwidth | 5~256Hz |
| Bias Stab. (10-Pt Smoothing (1σ)) | 0.03mg |
| Bias Instab (Allan Var.) | 0.08mg |
| Random Walk Coefficient (Velocity) | 0.015m/s/sqrt(h) |
Angle Parameters
| Pitch & Roll Range | X: ±180°, Y: ±90° |
| Inclination Angle Accuracy (Static) | 0.2° |
| Resolution (Horiz.) | 0.0055° |
| Angle spec (-40°C ~ +85°C) | ±0.5~1° |
| Heading Range | Z: ±180° |
| Heading Accuracy (6-axis Algorithm, Static) | 0.5° (Cumulative Integration Error in Dynamic Conditions) |
| Heading Resolution (Horiz.) | 0.0055° |
Applications
- Robotics attitude sensing and motion measurement
- UAV/drone stabilization and inertial measurement (Acc+Gyro)
- Vehicle dynamics testing and data logging
- Industrial automation and motion monitoring
Options
- Style: IWT603+LINE
For setup guidance and after-sales support, contact support@rcdrone.top or visit https://rcdrone.top/.
Details

Built for reliable motion measurement, the IWT603 combines a 6‑axis IMU with fast USB data output for control and logging.

Core functions include acceleration, angular velocity, and angle outputs with temperature compensation and Kalman fusion support.

Gyro performance details are provided for applications that need stable angular-rate data across temperature.

Accelerometer specs cover range, resolution, noise, and drift to help match the sensor to robotics and automation workloads.

Angle output specifications summarize pitch/roll and heading ranges, resolution, and accuracy targets.

Each unit is presented as factory-calibrated with an included inspection report for traceable setup and testing.

Production testing materials outline the calibration and verification process used before shipment.

Kalman fusion combines sensor data to improve attitude outputs when conditions are noisy or dynamic.

A compact footprint makes integration easier in tight enclosures such as drones, robot joints, and test rigs.

USB serial connectivity supports quick setup on a PC for real-time readouts and data capture.

Multiple display modes help align the sensor orientation with your project’s coordinate system.

Live plots make it easier to validate motion signals during tuning, calibration, and field testing.

The dashboard view consolidates key outputs for quick checks during installation and troubleshooting.

Configuration tools allow changes to output rate, communication settings, and which data channels are streamed.

MATLAB workflows are supported for deeper analysis using live streams or recorded datasets.

Recorded measurements can be saved for sharing, post-processing, and documentation in common file formats.

Allan variance plots help characterize IMU noise behavior for precision navigation and control design.

Gyroscope Allan variance results support performance comparisons when selecting sensors for demanding motion tasks.

WitMotion IWT603 industrial IMU sensors are used across platforms like AGVs, robotic arms, service robots, autonomous vehicles, and gimbal control.

The WitMotion IWT603 IMU sensor uses a compact 20×20 mm footprint with 14 mm mounting hole spacing and an 11 mm thickness for easy enclosure integration.

WitMotion IWT603 IMU wiring uses color-coded leads for 5V VCC, RX/TX serial, GND, and D+/D- signal outputs.

WitMotion IWT603 integration is supported with software, example programs, a user manual, and a serial port driver for common platforms like Python, ROS, Arduino, and STM32.
