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TX1 - Trimix Computer

  • $949.90

Engineering you can rely on

AUP has been making dive computers for 30+ years. It is our innovation and attention to detail that have made us the leader in the industry. Building on this legacy is the TX1, the first Trimix dive computer ever produced by AUP.

The TX1 is simple yet extremely capable, supporting air, nitrox and helium gas mixes with the option for wireless HP. With up to 6 gases and 6 independent transmitters, there are unlimited options for the use of this product for both recreational and technical diving.

We utilize the proven Bühlmann ZHL-16C algorithm with user adjustable gradient factors, gases and dive profile, allowing the diver to uniquely control their decompression calculations. Also included with the TX1 is the powerful and easy to use HTCI (Hollis Trimix Computer Interface) software. HTCI allows users to view, edit and manage their dive data and computer settings from their PC computer. The software and required connection cable are free with purchase. Download the software here.

TX1 manual pdf

TX1 Quick Start Guide pdf


  • Up to 6 gases 
  • Helium, oxygen, nitrox, air 
  • Wireless air integration up to 6 transmitters
  • Audible alarms 
  • Advanced 3 axis digital compass 
  • PO2 settings from 1.0 to 1.6
  • Max operational depth 400ft
  • FO2 7% 100% 
  • Set Helium from 0% to 93%
  • Powered by the tried and true Buhlmann ZHL 16C algorithm with adjustable gradient factors 
  • User upgradeable firmware
  • Dive log up to 24 dives
  • Track E.N.D. and W.O.B. during dive
  • Change gas option during dive
  • Customizable dive screens 

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