The 4OXV oxygen sensor is a high-performance detection device, suitable for scenarios such as industrial safety, medical care, and environmental monitoring. It can accurately detect oxygen concentrations ranging from 0 to 25% (with a maximum overload of 30%), respond quickly (T90 < 10 seconds), have an annual drift rate of less than 5%, and maintain stable accuracy over long-term use. The sensor can withstand a temperature range of -30 ºC to + 50ºC and a humidity environment of 5-95%RH. The output signal is stable (0.10±0.03mA), and its service life exceeds 2 years. Its anti-interference design is not cross-sensitive to toxic gases within the threshold value, making it suitable for integration requirements in mining, petrochemical, medical equipment, etc.