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  5. Getting Started: Beurer® Glucometer Kit (GL 50)
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  5. Getting Started: Beurer® Glucometer Kit (GL 50)

Getting Started: Beurer® Glucometer Kit (GL 50)

The Beurer® Glucometer Kit (GL 50) is an easy-to-use glucose meter for momentary readings as a standalone device and in OpenSignals use.

Learn how to use this device with your next biosignals recordings and more in this article.


  • Easy-to-use glucose meter for research use (clinically tested at the Institute for Diabetes Technology, Ulm, Germany)
  • Compatible with biosignalsplux and BITalino products in OpenSignals Desktop
  • Standalone: record data without PLUX devices using the device’s built-in display (up to 480 readings)
  • Bluetooth Low Energy (BLE)-enabled (support for OpenSignals & PLUX APIs coming soon)


  • Glucose measure readings from Required blood sample volume: 0.6mL
  • Blood sample type: capillary whole blood
  • Blood glucose measurement unit: mg/dL
  • Measurement Range: 20–630 mg/dL (1.1 – 35.0 mmol/L)
  • Measurement Accuracy: see detailed results in the User Manual (Section 10)
  • Battery-powered: built-in rechargeable 160mAh Li-on battery
  • Product Dimensions: 12.3 x 2.9 x 1.6 cm
  • Product Weight: 26g (incl. built-in battery)

Device Interface

The device consists of the following interfaces, which will be referenced during the first setup and use of the device.

The lancing device is used to puncture the skin surface to enable a blood sample extraction.

The blood sample is extracted and placed on the glucose test strips shown here:

The device’s built-in display, provides you the most essential information about your glucose measurements.

Using Your Glucosemeter

The Beurer® Blood Pressure Monitor (BM 57) comes with everything needed to record blood pressure data. 

We recommend viewing the following video for a quick start and following the detailed instructions below for further help.

First Use

When using the device for the first time, a few steps are needed to configure the date and time of the device for the results to be stored on the device’s internal memory.

The device comes with a built-in rechargeable battery. We recommend using the built-in US port to charge the device fully before use on one of your computer’s USB ports.

Before setting the date & time, we recommend changing the device language, as it is likely that it comes pre-programmed in German:

  1. Press and hold the scroll wheel
  2. Rotate the scroll wheel to enter the device menu
  3. Use the scroll wheel to scroll to the settings (Einstellungen) and press the scroll wheel to confirm your selectio
  4. In the new menu, scroll too the language settings (Sprache) and enter this menu
  5. Use the same controls to change the language

Using the same controls, return to the main menu (use the return arrow option in the menu) and set your date and time information correctly.

You can find more configuration options in the device’s documentation:

Preparing your Measurement

Taking a Blood Sample

This sensor requires small blood samples (<0.6mL) for measurements. Blood samples are taken from the finger tip using the lancet device prepared in the previous step. Follow the instructions provided by the original manufacturer below to ensure a safe and reliable use of this device.

  • Change the puncture area each time you take a measurement, e.g. use a different finger or the other hand. Repeatedly using the same area may cause inflammation or scarring.
  • If the cap is not in place, there is a risk of injury from the exposed lancet.
  • Do not squeeze your finger to obtain a larger drop of blood. If squeezed, the blood is diluted with
    tissue fluid and this may lead to an incorrect measurement.
  • Pleasenotethatinsufficientbloodcirculationatthepuncturearea,e.g.causedbycoldtemperatures
    or illness, can lead to incorrect results.

Important: Do not apply any blood samples or control solutions to the test strip before inserting it in the monitor.

Instead, follow these steps correctly:

Reading the results

As soon as the blood input gap is filled with sufficient blood, the device performs the blood glucose measurement. The monitor counts down for approx. five seconds. The measurement is then shown on the display.

Read your measured value. Check again that you have read the result correctly. The underline must be below the measured value, otherwise you need to turn the monitor by 180°.

Logging the results in OpenSignals Desktop

Results recorded by this device can be manually logged into your OpenSignals recordings during real-time acquisition and in post-processing using the Manual Measurements tool.

Learn everything you need in the dedicated support article here:

OpenSignal’s Manual Measurements

Documentation & Other Information

Beurer provides their own line of health apps for their products. These apps may be available free of charge in the iOS App Store and Google Play store but are not compatible with PLUX software. PLUX does not provide any support for native Beurer apps.

Updated on 18 de September de 2023

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