Evidence for change
SENSOR FAIL aq_mesh1911150 03
22 January 2018 - 12 June 2018
03 Sensor failure notified by AirMonitors 05/06/18 Replaced 12/06/18 11:30 Failed 03 sensor serial number: 204280115 Serial number of new sensor: 204961037
03 Data has been looks incorrect since 22/01/18 in high 1000s or negative