QL-MINI-WT9011DCL-BT50 Bluetooth Wireless Accelerometer & Inclinometer
The QL-MINI-WT9011DCL-BT50 is a compact Bluetooth 5.0 accelerometer and inclinometer featuring 9-axis motion sensing, Kalman filtering, and high-precision attitude tracking for industrial, robotics, and structural monitoring applications.
$795,00
OVERVIEW
Description
QL-MINI-WT9011DCL-BT50 Bluetooth Accelerometer & Inclinometer
The QL-MINI-WT9011DCL-BT50 is a compact, high-precision Bluetooth 5.0 accelerometer and inclinometer designed for reliable motion tracking and attitude measurement in dynamic environments. Built with advanced sensor fusion and filtering technology, this module offers exceptional accuracy and stability, making it ideal for industrial applications, robotics, drones, navigation, and structural monitoring.
Key Features
- Integrated 9-Axis Sensor Suite
Combines high-precision gyroscopes, accelerometers, and geomagnetic field sensors with a powerful microprocessor for real-time motion posture tracking. - Advanced Kalman Filtering
Built-in attitude solver with dynamic Kalman filter algorithms minimizes noise and drift, delivering outstanding accuracy (±0.2°) and stability—surpassing many professional inclinometers. - Reliable Heading Angle Output
Z-axis heading fusion with geomagnetic sensors eliminates cumulative gyroscope drift, ensuring long-term stable heading angle data. - Flexible Data Output
Configurable output content with a maximum frequency of 200Hz (default 10Hz), giving users control over performance and data resolution. - Expansion Ports for Customization
Four reserved I/O ports configurable as analog input, digital input, or digital output for flexible system integration. - Compact & Robust PCB Design
Utilizes gold-plated stamp hole technology on a 4-layer PCB for improved reliability, smaller footprint, and easy integration into custom boards. - Bluetooth 5.0 Connectivity
Seamless wireless communication supporting Android and iOS devices (compatibility depends on host hardware).
Why Choose QL-MINI-WT9011DCL-BT50?
- High-precision motion sensing with ±0.2° attitude accuracy
- Advanced real-time posture tracking with low latency
- Long-term stability for industrial and research applications
- Easy PCB embedding with compact design
- Wireless Bluetooth 5.0 for convenient connectivity
- QL-VISIO software is included

Additional information
| Weight | 1 lbs |
|---|---|
| Dimensions | 10 × 10 × 8 in |
Specifications
Accelerometer parameters
| Parameters | Condition | Typical value |
| Measuring range | ±16g | |
| Resolution ratio | ±16g | 0.0005(g/LSB) |
| RMS noise | Bandwidth=100Hz | 0.75~1mg-rms |
| Static zero drift | Place horizontally | ±20~40mg |
| Temperature drift | -40°C ~ +85°C | ±0.15mg/℃ |
| Bandwidth | 5~256Hz |
Gyroscope parameters
| Parameters | Condition | Typical value |
| Measuring range | ±2000°/s | |
| Resolution ratio | ±2000°/s | 0.061(°/s)/(LSB) |
| RMS noise | Bandwidth=100Hz | 0.028~0.07(°/s)-rms |
| Static zero drift | Place horizontally | ±0.5~1°/s |
| Temperature drift | -40°C ~ +85°C | ±0.005~0.015 (°/s)/℃ |
| Bandwidth | 5~256Hz |
Magnetometer parameters
| parameters | Condition | Typical value |
| Measuring range | ±2Gauss | |
| Resolution ratio | ±2Gauss | 0.0667mGauss/LSB |
Pitch and roll angle parameters
| parameters | Condition | Typical value |
| Measuring range | X:±180° | |
| Y:±90° | ||
| Inclination accuracy | 0.2° | |
| Resolution ratio | Place horizontally | 0.0055° |
| Temperature drift | -40°C ~ +85°C | ±0.5~1° |
Heading angle parameter
| parameters | Condition | Typical value |
| Measuring range | Z:±180° | |
| heading accuracy | 9-axis algorithm, magnetic field calibration, dynamic/static | 1°(Without interference from magnetic fields)【1】 |
| 6-axis algorithm, static | 0.5°(Dynamic integral cumulative error exists)
【2】 |
|
| Resolution ratio | Place horizontally | 0.0055° |
Module parameters
| Parameter | Condition | minimum value | Default | maximum value |
| Communication Interface | UART | 115200bps | 115200bps | 115200bps |
| Output content | 3-axis acceleration, 3-axis angular velocity, 3-axis magnetic field, 3-axis angle, quaternion, port status | |||
| Output rate | 0.2Hz | 10Hz | 200Hz | |
| Start Time | 1000ms | |||
| Number of cascades | Bluetooth multi-link adapter | 4pcs | ||
| Bluetooth transmission distance | open environment | 50m | 90m | |
| Operating temperature | -20℃ | 60℃ | ||
| Storage temperature | -40℃ | 85℃ | ||
| Shock proof | 20000g | |||
Note:【1】Please perform magnetic field calibration in the testing environment before use to ensure that the sensor is familiar with the magnetic field in the environment. During calibration, please stay away from magnetic interference.
【2】In some vibration environments, there will be cumulative errors. The specific errors cannot be estimated and are subject to actual testing.
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