Oxygen Detector Lutron PO2-250 is a compact portable oxygen detector designed for fast and accurate measurement of oxygen levels in gases and liquids. This pen-type oxygen detector is ideal for laboratory analysis, industrial gas monitoring, aquaculture, and environmental testing. Its lightweight, handheld design ensures easy operation and portability, while the durable construction supports daily field use. The PO2-250 offers quick response, simple calibration, and clear digital readouts, making it suitable for process control, safety monitoring, and quality assurance applications. Applications:Food Industry (refrigerators, vegetable factories), Biotechnology (oxygen incubators, anaerobic cultivators), Safety Systems (air conditioner & oxygen shortage alarms, fire alarms), Fuel Cell Systems.