Description SO2-A4F - Sulfur Dioxide (SO2) Sensor - A-Series - 4-pin PPB Estimated delivery date: 20-25 working days after order date Datasheet: https://ametekcdn.azureedge.net/mediafiles/project/oneweb/oneweb/alphasense/products/datasheets/alphasense_so2-a4_datasheet_mar24_en_3.pdf?revision:c907df9a-f967-4843-8de3-0faad8feeaca