1. Introduction
The Motionics BlueDial Bluetooth Dial Indicator Lite BDLT-103 is a precision measuring instrument designed for accurate dimensional measurements. It features an integrated Bluetooth Low Energy transmitter, allowing wireless data collection and display on compatible smart devices or PCs. This manual provides essential information for the proper setup, operation, and maintenance of your BDLT-103.

Image 1.1: Front view of the Motionics BlueDial BDLT-103, showing the digital display and control buttons.
2. Product Overview
The BDLT-103 combines a high-accuracy dial indicator with wireless connectivity. Key components include the digital display, control buttons, measuring spindle, and the integrated Bluetooth module.

Image 2.1: The BDLT-103 dial indicator, highlighting its Bluetooth capability and model number.

Image 2.2: Rear view of the BDLT-103, showing the Motionics branding and Bluetooth module location.
3. Setup
3.1 Unpacking and Initial Inspection
Carefully remove the BDLT-103 from its packaging. Inspect the device for any visible damage. Ensure all components are present.
3.2 Charging the Battery
The BDLT-103 is equipped with a 400 mAh rechargeable battery. Before first use, fully charge the device using a compatible USB charger (not included). A full charge provides approximately 50 hours of continuous operation.
3.3 Powering On/Off
- To power on: Press the OFF/ON button.
- To power off: Press and hold the OFF/ON button for a few seconds until the display turns off.
3.4 Bluetooth Pairing
- Ensure the BDLT-103 is powered on.
- Activate Bluetooth on your smart device (smartphone, tablet) or PC.
- Open the compatible Motionics software (e.g., DialReading for Windows/Android, MultiGage Reader for iOS).
- Within the software, search for available Bluetooth devices. Select "BDLT-103" or a similar identifier to pair.
- Once paired, the device's readings will be wirelessly transmitted to your smart device or PC. The wireless data transmission range is up to 20 meters indoors and 30 meters outdoors.
4. Operating Instructions
4.1 Basic Measurement
Position the BDLT-103 with its measuring spindle in contact with the surface to be measured. As the spindle moves, the digital display will show the displacement. Ensure the indicator is securely mounted for stable readings.
4.2 Zeroing the Display
To set the current position as the zero reference point, press the ZERO button. The display will reset to 0.000, allowing for relative measurements.
4.3 Unit Conversion
Press the inch/mm button to switch between imperial (inches) and metric (millimeters) units. The display will update accordingly.
4.4 Software Usage
The BDLT-103 is compatible with free software for Windows, Android, and iOS devices. These applications allow for real-time data display, logging, and analysis.

Image 4.1: Screenshot of the DialReading software interface on Windows and Android devices.

Image 4.2: Screenshot of the MultiGage Reader software interface on iOS iPhone devices.

Image 4.3: Screenshot of the MultiGage Reader software interface on iOS iPad devices.
Refer to the specific software documentation for detailed instructions on data collection, analysis, and advanced features.
5. Maintenance
5.1 Cleaning
Regularly clean the BDLT-103 with a soft, dry cloth. For stubborn dirt, a slightly damp cloth with mild soap can be used, ensuring no liquid enters the electronic components. Do not use harsh chemicals or abrasive materials.
5.2 Storage
Store the device in a clean, dry environment, away from direct sunlight, extreme temperatures, and high humidity. When not in use for extended periods, ensure the battery is partially charged (around 50%) to prolong its lifespan.
5.3 Battery Care
Avoid fully discharging the battery frequently. Recharge the device when the battery level is low. Use only recommended charging methods to prevent damage to the battery and device.
6. Troubleshooting
- Device does not power on: Ensure the battery is charged. Connect to a power source and try again. If the issue persists, contact support.
- Bluetooth connection fails:
- Verify the BDLT-103 is powered on and within range (20m indoors, 30m outdoors).
- Ensure Bluetooth is enabled on your smart device/PC.
- Restart both the BDLT-103 and your smart device/PC.
- Check if the correct software is installed and updated.
- Inaccurate readings:
- Ensure the measuring surface is clean and free of debris.
- Verify the device is securely mounted and stable.
- Perform a zero-setting before taking critical measurements.
- If persistent, the device may require calibration by a qualified technician.
7. Specifications
| Feature | Detail |
|---|---|
| Model Number | BDLT-103 |
| Resolution | 0.00005'' / 0.001mm |
| Measuring Range | 0.5'' / 12.7mm |
| Accuracy | ±0.0002 in / 0.005mm |
| Wireless Data Transmission Rate | 8 HZ |
| Wireless Data Transmission Range | Up to 20 m (indoors) / 30 m (outdoors) |
| Battery Type | 400 mAh rechargeable |
| Battery Usage Life | Approximately 50 hours |
| Package Dimensions | 6.6 x 4.4 x 2.4 inches |
| Weight | 9.12 ounces |
| Manufacturer | Motionics |

Image 7.1: Detailed dimensions of the BlueDial LT BDLT-103 in millimeters and inches.
8. Warranty and Support
For warranty information, please refer to the documentation provided with your purchase or visit the official Motionics website. For technical support, product inquiries, or service requests, please contact Motionics customer service through their official channels.
Note: Specific warranty terms and support contact details may vary by region and purchase location.





