1.  Automatic Sample Changer
2.  2 in. (5.1 cm) Standard Planchet Diameter
3.  Low Background Counter
4.  Standard 50 Sample Capacity (Optional 100 Sample)
5.  Cosmic Guard Detector
6.  2.25 in. (5.7 cm) Pancake Gas Flow Detector
7.  Easy Window Replacement
8.  Counting Gas Loss Detection
9.  Radon Compensation for Air Filters
10.  Touch Screen Interface
11.  Gas Conservation