Description CO-A4F - Carbon Monoxide (CO) Sensor - A-Series - 4-pin PPB Estimated delivery date: 15-20 working days after order date Datasheet: https://ametekcdn.azureedge.net/mediafiles/project/oneweb/oneweb/alphasense/products/datasheets/alphasense_co%20a4_datasheet_mar24_en_1.pdf?revision:e93b26e5-834c-4831-864f-ecb31dceed54