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How do I connect my Wintact WT85B sound level meter to the dB-Tester app via Bluetooth?

1Answers
LaLeilani
12/17/2025, 02:06:48 PM

Connecting your Wintact WT85B digital sound level meter to the dB-Tester app on your mobile phone is straightforward. Here's a step-by-step guide:

  1. Check Compatibility: Ensure your mobile phone runs Android 5.0 or a later version. The dB-Tester app is designed for this operating system.
  2. Download the dB-Tester App:
    • For BaiDu Mobile Assistant users: Use the QR code in your manual to download the dB-Tester app.
    • For Google Play users: Find the dB-Tester app by scanning the QR code in the manual or searching directly on the Google Play Store.
  3. Power Up the Sound Level Meter:
    • Open the battery compartment and insert three AAA batteries.
    • Close the compartment and switch the meter on.
  4. Enable Bluetooth on the Meter: Press and hold the HOLD button for about two seconds to activate the Bluetooth function. The Bluetooth icon will then appear on the display.
  5. Connect via the dB-Tester App:
    • Launch the dB-Tester app on your phone.
    • Tap the Bluetooth icon in the top-left corner of the main screen to open the Bluetooth connection settings.
    • Tap the icon in the top-right corner to start searching for available Bluetooth devices. The search will last for five seconds.
    • Choose your WT85B sound level meter from the list of available devices to connect.
  6. Using the App: Once connected, the dB-Tester app will receive real-time noise measurements from the sound level meter. You can also control features like recording, data saving, and alarm settings directly from the app.
  7. Recording Function: To start or stop the recording function, press and hold the MAX/MIN button for approximately two seconds. By default, the meter records data every second, with a maximum capacity of 20,000 data points.
  8. Additional Help: For detailed instructions on using the dB-Tester app, refer to the 'dB-Tester App Operation Construction' section in the device manual. Following these steps ensures successful Bluetooth connection, enabling effective data transmission and control with your Wintact WT85B sound level meter.
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