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[How-To] Connect & configure the SpO2 sensor

Introduction

Most of the biosignalsplux sensors are analog sensors which can be connected to any of the available 4 to 8 analog channels of the biosignalsplux hubs. The SpO2 sensor is an exception as this sensor provides a digital output which must be connected and configured differently. Find below all the instructions on how to set-up your SpO2 sensor.

Step 1: biosignalsplux Firmware Requirements

The SpO2 sensor requires a special firmware version in order to work with your biosignalsplux device. Visit the biosignalsplux Firmware page to download the necessary firmware and installation tools to confirm whether you are using the correct firmware or if a downgrade is necessary.

Your device should appear with an orange biosignalsplux logo in the OpenSignals software, as seen below, if you have installed the compatible firmware version.

In case the logo is not displayed in orange, remove the device from your OpenSignals device manager and your operating system, reconnect it again, restart the OpenSignals software.

Step 2: Connecting the SpO2 Sensor

The SpO2 sensor is a digital sensor, reason for which it must be connected to the ground/reference channel of your biosignalsplux. This channel is marked with a "down-arrow" as highlighted in the image below:

image

Note: Current biosignalsplux versions do only support the use of one SpO2 sensor per device.

Step 3: Sensor Configuration in the OpenSignals Software

Open the OpenSignals (r)evolution software and enter the device manager to configure your device with the SpO2 sensor. The SpO2 sensor data is received and visualized via the virtual channels 9 and 10 of the biosignalsplux device.

Set the channel types to one of the available SpO2 types (e.g. SpO2.FINGER using the sensor on the finger) and set the intensity of the red and infrared LEDs using the RED and IR sliders. Activate the channels 9 and 10 (circles on the channel must turn blue) and activate the device for signal acquisition (ENABLE field must be blue).

If configured correctly, the device panel should be similar to the one shown in the screenshot below:

Step 4: Start the Signal Acquisition

Start the signal acquisition with OpenSignals by clicking on the red button in the OpenSignals main interface.

Comments

  • I've tried to connect a SpO2 sensor, on 2 notebooks. The firmware updater confirms that the 3.4 version is installed. But when I reconnect with Open Signals the device will not have a orange label and wil not show more than 8 channels. How can I solve this?
    I'm using Windows 10 64bit PC's and the device are recognized and connected in my pc's bluetooth list. I've tried removing and reconnecting the devices but that does not help.
    Please help

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