... control the temperature ,time and frequency of nacelle back and forth.Timing at will ,The preset and real time data can be ... displayed alternately in time .Automation : auto-test ,auto-diagnose ,auto- ... (30 – 32 ) /minNacelle back and forth range : (55+/-1 )mmAutomatic time range : ( 5—120 )minAccuracy of controlling temperature (37 +/- 0.5 ...