Profile: Hess Machine International supplies ozone purification systems. Our product is designed for easy installation, operation and maintenance. We concentrate on process water disinfecting, food processing, public water systems, waste treatment, petrochemicals and cooling towers. Our ozone generator includes oil-less air compressors, moisture bowls, AMP and volt meters. Our dissolved ozone monitor electronics package renders a real-time display of ozone concentration, external alarm and control outputs & an isolated analog output.