From our U.S. headquarters in Collegeville, Pennsylvania, we design, manufacture, and distribute analytical instruments based on electrochemical and optical sensors. We specialize in the areas of toxic gas detection and water quality measurements, continuing to lead the way in development of reliable monitoring systems. Our capabilities in the area of sensor design and manufacture allow us to offer the kind of application support needed for the most demanding applications. In addition, local product support is available through our network of over 50 representatives throughout the U.S. and Canada. From our European headquarters in Delph (nr Manchester), UK, we offer sales advice, prompt delivery and technical support for our European customers. In the UK we offer a full commissioning and service capabilities. Independent distributors in countries throughout the world provide application and installation support virtually anywhere. Our emphasis on simplicity of design and ease of service make ATI products your best choice. Our goal at ATI is to help provide our customers with the knowledge needed to ensure a safe and healthy environment. Toward this goal, we strive to develop and produce the highest quality instruments available. Our commitment to continuous improvement of analytical sensing systems is the key to our steadily expanding monitoring capability, and provides our users with the power of reliable information. We are...The Only Company to Trust, When You Require the Best, in Water and Gas Quality Monitoring.