The ATA Pro has the ability to zero and span the helium sensor as well as oxygen compensation allowing for a more accurate helium reading.
Knowing your correct gas mix is invaluable when planning your dive. When exceeding the normal limits, having the incorrect gas mix can prove to be fatal.
The ATA Pro is a portable trimix analyzer which takes readings directly from your tank. Compact and lightweight, the ATA Pro can be easily carried wherever and whenever you dive.