The humidity sensor associated with the monitoring of {HEAD ~ humidity levels} in the selected gas component may then be omitted and {TAIL ~ a value} of the predetermined humidity level provided directly 
The humidity sensor associated with the monitoring of { HEAD ~ humidity levels } in the selected gas component may then be omitted and { TAIL ~ a value } of the predetermined humidity level provided directly
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH