Pod serial number: 1921150
Gas sensor type: NO2       
Failed sensor serial number: 202100021
Serial number of new sensor: 202890937 (dc 119)
Sensor failure date: 15/01/2020 15:45
Notified : 16/01/2020
Sensor received : 27/01/2020
Replaced: 30/01/2020 11:45

Please allow 2-3 days for sensor to re-base and stabilise.