It displays data through waveforms, bar charts, and trends, making it easier to spot fluctuations in oxygen levels or heart rate.
The application converts basic screen readouts from hand-held or wrist-worn oximeters into granular, time-stamped clinical logs.
is a highly effective, free Windows-based application designed to sync with compatible pulse oximeters to track, analyze, and manage vital health metrics from your PC . The software serves as a bridge between specialized hardware—such as devices from Contec, Pulox, and Cooper Medical Supplies—and your desktop computer. It enables users to transfer and interpret data regarding blood oxygen saturation ( SpO2cap S p cap O sub 2 ), heart pulse rate, and perfusion index ( PIcap P cap I Core Technical Specifications Current Stable Version SpO2 Assistant v3.1 (including 3.1.0.4 and 3.1.0.6 builds) License Type Freeware (100% Free to Use) Operating System
: Displays live photoplethysmogram (PPG) waveforms alongside a dynamic heart rate bar chart. spo2 assistant 31 free
To sync and download your tracking history from a pulse oximeter to a Windows computer, follow these operational steps:
While version 3.1 is the latest major update, some users have reported challenges with newer builds:
Visualizes hourly or overnight oxygen drops to screen for conditions like Sleep Apnea. It displays data through waveforms, bar charts, and
The application operates in two distinct states: and Review Analysis Mode . This dual-mode structure enables both live clinical tracking and historical trend evaluation. Blood Oxygen Saturation (SpO2) Assistant - VA.gov
Turn on your pulse oximeter device and connect it to your PC via a USB cable before initiating the program. Open SpO2 Assistant 3.1 and click on the or Device Scan option. The app will automatically map the appropriate virtual COM port and display active waveforms within a few seconds. Troubleshooting Hidden Data Folders
: If your pulse oximeter isn't registering after installation, check the installation directory for a sub-folder labeled Driver . Run the enclosed driver package to ensure your PC reads the USB-serial connection. Operating the Software: Capturing and Exporting Data The software serves as a bridge between specialized
The keyword "31 free" often refers to the popularity of the software (noting how frequently updates are checked) and the fact that the software is generally provided free of charge by hardware manufacturers. For instance, one software repository noted that "users have checked SpO2 Assistant for updates 31 times last month," indicating ongoing community use and engagement.
SpO2 Assistant 31 remains a vital tool for those looking to take control of their respiratory data without the need for expensive proprietary subscriptions. By providing a free, robust platform for data logging and report generation, it empowers users to have more informed conversations with their doctors.