EI-412 Oxygen Meter is a device designed to measure the concentration of oxygen in a given environment. The measurement of oxygen levels is crucial in scenarios where the presence or absence of oxygen is a critical parameter. They may have built-in alarms or alert functions to notify users when oxygen concentrations fall outside predetermined safety thresholds. These meters are used in various industries and applications, including medical settings, industrial processes, environmental monitoring, and research. They are typically compact, lightweight, and easy to carry and are suitable for field applications. EI-412 Oxygen Meter plays a crucial role in diverse industries, including healthcare, laboratories, manufacturing, and environmental monitoring.