... min.sec.and the accuracy 3"(5 )Recording unita).Counter: JBIX Geiger counter and detector voltage 500~1500Vb).Time constant: 1, ... with voltage stabilizer and controller , high voltage transformer, magnifying, digital counter, air pump , cooling fan , x-ray tube.4.2 ... high voltage cable temporarily with high voltage transformer. (1) Counter installationFirst check it carefully, install this unit on the ...