The Alphasense O2-A2 Oxygen Sensor is an ideal replacement for your BW Technologies oxygen sensor. This high-quality sensor is compatible with a wide range of gas detection systems and can accurately measure oxygen levels in the air. Made with durable materials, this sensor is built to last and is easy to install. It provides reliable results and is suitable for use in a variety of industrial settings. Whether you're looking to replace a worn-out sensor or upgrade your existing system, the Alphasense O2-A2 Oxygen Sensor is an excellent choice.