The high voltages produce {HEAD ~ greater phase detection output voltages} and further reduce {TAIL ~ the susceptibility} of the meter to noise and interfering signals 
The high voltages produce { HEAD ~ greater phase detection output voltages } and further reduce { TAIL ~ the susceptibility } of the meter to noise and interfering signals
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH