PST offers handheld, portable and fixed gas analyzers for the diving and medical markets. They are easy to use and ensure diver and patient safety. The Tri-mix analyzer can measure oxygen, helium and display balance gas. The Mogas can be configured to measure the O2 purity as well as trace CO2, CO and dewpoint impurities in medical oxygen. The Palm O2 is an ideal diving companion as it is simple to use and cost effective.