The TAG is rated IP20 and should therefore be mounted 'INSIDE' a suitable electrical enclosure. For more TAG rating information, consult the respective TAG data sheet. You can navigate to TAG data sheets by clicking HERE.
It is possible for an AIR-TAG to obtain data from a compressor via a serial connection (RS485, Airbus485 protocol or ModbusRTU protocol). If your AIR-TAG is set-up for a data communication, but there is no data being displayed on the Aircloud ...