1. Introduction
The WitMotion WTVB01-BT50 is a state-of-the-art Bluetooth 5.0 multi-connected vibration sensor designed for precise 3-axis measurement of vibration displacement, speed, amplitude, and angle. This compact and robust sensor offers wireless data transmission up to 50 meters, enabling real-time monitoring and analysis of machinery and vehicles. It is an ideal tool for early detection of machine failure, maintenance analysis, and structural safety monitoring across various industrial applications.
Figure 1: WitMotion WTVB01-BT50 Sensor with key features highlighted.
2. Product Features
- Comprehensive Vibration Data: Measures 3-axis XYZ vibration displacement, speed, amplitude, angle, and frequency.
- Wireless Connectivity: Utilizes Bluetooth 5.0 for stable and high-precision data transmission up to 50 meters (without obstacles).
- Multi-Device Connection: Supports simultaneous connection of up to 4 sensors to a single monitoring device (PC/Android).
- Real-time Monitoring: Provides real-time data viewing, parameter configuration, calibration, curve display, and data recording via dedicated Android APP and PC software.
- Compact and Robust Design: Small form factor (51.5mm x 36.1mm x 15mm) with a durable shell, easy to attach to various parts of machinery.
- Long Battery Life: Offers approximately 8 hours of continuous usage on a single charge.
- Versatile Applications: Suitable for monitoring bearing vibration, water pumps, fans, steam turbine units, coal mills, oxygen generators, generators, centrifuges, compressors, motors, and other rotating machinery.
Figure 2: Benefits of using WitMotion Bluetooth Vibration Sensors for structural safety monitoring.
3. Specifications
| Parameter | Value |
|---|---|
| Model Name | WTVB01-BT50 |
| Voltage | 5V |
| Current Consumption | <25mA |
| Output Data | Time, Vibration (speed, displacement, frequency, angle), Temperature |
| Vibration Speed Range | 0~50mm/s |
| Vibration Angle Range | 0~180° |
| Vibration Displacement Range | 0~30000um |
| Detection Period | 1~100Hz (default 100Hz) |
| Cut-off Frequency | 0~100Hz (default 10Hz) |
| Baud Rate | 115200bps |
| Dimensions (Volume) | 51.5mm X 36.1mm X 15mm (2.02 X 1.42 X 0.59 inch) |
| Communication Interface | Bluetooth 5.0 / Type-C |
| Wireless Distance | 50 meters |
| Usage Time (Battery) | Approximately 8 hours |
| Weight | 20g |
| Technical Support | PC/Android software, Sample code, Lifetime Technical Support |
Table 1: Product Specifications for WTVB01-BT50.
Figure 3: Detailed product parameters.
4. Setup Guide
4.1 Package Contents
- WitMotion WTVB01-BT50 Vibration Sensor
- Type-C USB Cable (for charging and wired connection)
- User Manual (this document)
4.2 Software Installation
To utilize the full capabilities of the WTVB01-BT50 sensor, install the dedicated software on your PC or Android device:
- For PC: Download the WitMotion PC software from the official WitMotion website.
- For Android: Download the WitMotion Android APP from the official WitMotion website or your device's app store.
4.3 Physical Installation
The WTVB01-BT50 sensor is designed for easy attachment to various surfaces. Its compact size and robust shell allow for flexible placement.
- Identify Mounting Location: Choose a stable, flat surface on the equipment or vehicle where vibration data needs to be collected. Ensure the sensor's orientation (X, Y, Z axes) aligns with your measurement requirements.
- Secure the Sensor: The sensor features loops on its robust shell, allowing it to be secured using straps or other appropriate mounting hardware (not included). Ensure the sensor is firmly attached to prevent movement during operation, which could affect data accuracy.
- Power On: Locate the power switch on the sensor and turn it ON. The status indicator light will illuminate.
Figure 4: Sensor dimensions and features, including Type-C port and power switch.
4.4 Initial Connection
The sensor supports both Bluetooth 5.0 wireless connection and Type-C wired connection.
- Bluetooth Connection:
- Ensure Bluetooth is enabled on your PC or Android device.
- Open the WitMotion software/APP.
- Scan for available devices and select "WTVB01-BT50" to pair. The connection range is up to 50 meters.
- Type-C Wired Connection:
- Connect the sensor to your PC using the provided Type-C USB cable.
- Open the WitMotion PC software. The device should be automatically recognized.
Figure 5: Bluetooth 5.0 connectivity and battery life.
5. Operating Instructions
5.1 Real-time Data Monitoring
Once connected, the WitMotion software/APP will display real-time vibration data. You can view various parameters such as vibration speed, displacement, angle, and frequency across the X, Y, and Z axes.
Figure 6: Android APP interface for real-time monitoring.
5.2 Multi-Sensor Connection
The WTVB01-BT50 supports connecting up to 4 sensors simultaneously to a single PC or Android device. This allows for comprehensive monitoring of multiple points on a machine or across different pieces of equipment.
Figure 7: Multi-connection capability with a laptop.
5.3 Data Visualization and Recording
The software provides advanced features for data visualization, including curve displays for vibration displacement, speed, angle, and frequency. You can also record data for later analysis.
Figure 8: PC software interface for data visualization.
Figure 9: Example of Matlab Trajectory for multi-dimensional data display.
5.4 Applications in Practice
The sensor can be used in various scenarios to monitor vibration. The following video demonstrates its application on a road roller and a motorcycle, showcasing its ability to detect vibration acceleration, amplitude, and frequency, and to view data on mobile phones and computers.
Video 1: Demonstration of WTVB01-BT50 sensor on a road roller and motorcycle.
Figure 10: Examples of industrial applications for vibration monitoring.
6. Maintenance
6.1 General Care
- Keep the sensor clean and free from dust, dirt, and moisture.
- Avoid exposing the sensor to extreme temperatures or harsh chemicals.
- Store the sensor in a dry, safe place when not in use.
6.2 Charging
The sensor has an approximate usage time of 8 hours. Recharge the device using the provided Type-C USB cable connected to a standard 5V power source. Ensure the sensor is fully charged before extended use.
6.3 Software Updates
Regularly check the official WitMotion website for software and firmware updates to ensure optimal performance and access to the latest features.
7. Troubleshooting
7.1 Connection Issues
- Sensor not found: Ensure the sensor is powered on and within the 50-meter Bluetooth range. Check if Bluetooth is enabled on your monitoring device.
- Unstable connection: Reduce the distance between the sensor and the monitoring device. Ensure there are no significant obstacles (e.g., thick walls) between them. Check for potential interference from other wireless devices.
- Wired connection not recognized: Ensure the Type-C cable is securely connected to both the sensor and your PC. Try a different USB port or cable.
7.2 Data Display Problems
- No data or incorrect readings: Verify the sensor is properly mounted and stable. Ensure the software/APP is correctly configured for the sensor. Restart the sensor and the software/APP.
- Software/APP crashes: Ensure your software/APP is up to date. Try reinstalling the software/APP.
7.3 Data Storage
- No internal memory: The WTVB01-BT50 sensor does not have internal memory for data recording. All data must be viewed and recorded in real-time via the connected PC or Android device. Ensure your monitoring device has sufficient storage if you plan to record extensive data.
8. User Tips
- Optimal Mounting: For best results, ensure the sensor is mounted securely and directly to the surface whose vibration you wish to measure. The robust shell with loops allows for flexible attachment using straps or other non-magnetic methods.
- Data Recording: Since the sensor lacks internal memory, always ensure your connected PC or Android device is actively recording data if you need to save it for later analysis.
- Software Familiarization: Take time to explore the features of the WitMotion PC software and Android APP. Understanding parameter configuration, calibration, and various display modes will enhance your data analysis capabilities.
9. Warranty and Support
WitMotion provides lifetime technical support for the WTVB01-BT50 sensor. For any technical assistance, software downloads, sample code, or inquiries, please refer to the official WitMotion website or contact their customer support.
