Dual stage configuation; programmble operating parameters; digital electronics; 40kv accelerating potential extends analytical capability; imaging averaging allows viewing at room light; resolution top stage 2.0nm, bottom stage 3.5nm; magnification top stage 10 times to 300, 000 time (157 steps), bott0m stage 20 times to 300, 000 times(147 steps); accelaerated voltage 0.5 to 3kv(0.1kv steps), 3.0kv to 40kv(1kv steps) ; power requirements 200, 210, 220, 240v 650/60hz, 5kva; water cooling water temp 15 degrees to 25 degrees c
