Sigrist-Photometer AG, with its roots and headquarters in Ennetbürgen in Switzerland, has been developing, manufacturing and marketing high-quality optical measuring instruments for use in the fields of water treatment, food industry, industrial processes as well as traffic and environment since 1946. The company is one of the technology and quality leaders and sells its products in more than 80 countries. With great commitment, its 85 employees contribute to the sustainable positive development of the company and its value-based culture. The wide network of sales and service partners provides competent advice worldwide and supports customers in the practical use and service of all Sigrist products and systems. Our photometers meet the highest standards of quality and reliability. They provides you extensive value in terms of process optimization and continuous safety, purity and quality control for example: - Increased productivity coupled with cost effectiveness - Assurance of consistently high quality of the end product - Monitoring compliance to regulatory limits - Early detection of process upsets - Better environmental protection Those who choose Sigrist products are alert to quality, prime added value and sustainability.