The perturbations should not pass through as variations in the sensor output for {TAIL ~ a healthy sensor} operating in {HEAD ~ the current limiting range} 
The perturbations should not pass through as variations in the sensor output for { TAIL ~ a healthy sensor } operating in { HEAD ~ the current limiting range }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD