Evidence for change

TYNE BRIDGE Precision AQ : CO gas cylinder empty

05 January 2021 - 15 March 2021

05/01/2021 CO Gas empty

04/02/21 Cylinder arrived but wrong connector for regulator. Bottle removed again.

Old Cylinder No : VC3373 20.8

New Cylinder No : VC1090 Concentration 87 Concentration 20.6

For more details See engineers report Urban Observatory Github

https://github.com/urbanobservatory/deployments/blob/master/Precision%20Station%20Reports/TYNE_BRIDGE/MB15032021_Newcstle%20Uni__Tyne%20Bridge_Commissioning_Install%20CO%20cyl.xlsx

Sensors:

PER_AIRMON_MONITOR1056100