Sr90 Radioactive Source No cooling Module position: -5:-20(top left) HV Turned to +40,-40V with currents. +1.2 and -1.2 µA N+1.25V current: 0.22A N+2.5 V current: 0.56A P+1.25V current: 0.26A P+2.50V current: 0.70A Events: 200000