Connect to one or more gauges with FieldLab Mobile App

Connect to one or more gauges with FieldLab Mobile App

Establish a Bluetooth connection between FieldLab Mobile App and your Ralston gauge.

Power on your Ralston gauge. 
  1. Confirm that your gauge is Bluetooth enabled.
  2. Confirm that the Bluetooth antenna is connected.
On your mobile device, open the FieldLab Mobile app.



When prompted, allow FieldLab Mobile to use Bluetooth on your mobile device.

Allow FieldLab Mobile to use Bluetooth


Scan for available Ralston gauges
Select the Scan button to locate available gauges.

Select Scan to find available gauges to connect to.


Connect to the gauge
You can connect to multiple gauges at once, if they are available.

Select the Connect button to access your gauge via Bluetooth

    • Related Articles

    • Get FieldLab Mobile for the iPhone and iPad

      Connect to and control your Ralston LC20 Field Gauges with Bluetooth, log and harvest your test data, and share logged data with your organization or client. Download on the App store
    • Get started with FieldLab Mobile

      Check compatibility of your mobile device FieldLab Mobile runs on: iOS versions 11.0 and newer. Android versions 9 and newer. Power on your Field Gauge FieldLab Mobile works with any Bluetooth enabled Ralston Field Gauge. Download FieldLab Mobile ...
    • Connect to a Bluetooth-enabled Field Gauge with the FieldLab Mobile App

      1. Power-on the Field Gauge As soon as you power on your Field Gauge, it will begin advertising its availability to connect to your FieldLab Mobile App. 2. In the FieldLab Mobile App on your mobile device, Select the Scan Button 3. Watch the Devices ...
    • Getting Started with FieldLab Mobile App

      This article is for FieldLab Mobile versions 1.5.1 and later. Establish a Bluetooth connection between FieldLab Mobile App and your Ralston gauge. Power on your Ralston gauge. Confirm that your gauge is Bluetooth enabled. Confirm that the Bluetooth ...
    • Export Data Sets from FieldLab Mobile App

      This article is for FieldLab Mobile App versions 1.5.1 and later Review test data 1. Select the Data Sets tab. 2. Select the Data Set you wish to view from the list. View list of saved data sets The Data Set Overview screen will display key ...
    • Recent Articles

    • Install Quick-test Hose on a Ralston Hose Reel

    • Prevent kinks and hose jumping

      When Spooling Out When spooling the Quick-test hose out to your test area, if you are only going to spool out a portion of the hose on the reel, try applying the tension brake. The tension from the brake will prevent the remainder of the hose still ...
    • Save the nitrogen in your hose reel for the next test

      If you calibrate a high number of transmitters in a week, you definitely want to conserve your nitrogen. Especially when you're so far out in the field that going back to the shop isn't an option. Blowing off 100' of nitrogen in the test hose adds up ...
    • Store your Hose Reel between tests

      Each time you stow and transport your Hose Reel, reel the hose in as tightly as you can to the Hose Reel, and engage the locking pin. This will prevent the hose from uncoiling due to muscle memory and road vibrations during transport. Engage the hose ...
    • Results of Calibration Test

      Results of a Calibration test using the Ralston FieldLab and supporting Desktop software.