The VOLTCRAFT DO-101 is an oxygen sensor equipped with an exchangeable electrode and thermometer, designed for accurate environmental testing. Manufactured by VOLTCRAFT, this oxygen detector measures oxygen levels from 0 to 20 mg/l, making it ideal for various gas detection applications. It is commonly used in monitoring oxygen levels in industrial and laboratory settings. https://elecena.pl/product/28370426/voltcraft-do-101-oxygen-detector-0-20-mgl-exchangeable-electrode-thermometer 2025-04-12 https://elecena.pl/product/28370426/voltcraft-do-101-oxygen-detector-0-20-mgl-exchangeable-electrode-thermometer 2025-09-08