SIGRIST photometer, a turbidity measurement instrument designed for continuous monitoring of Continuous monitoring of important parameters in the water and waste water industry. At our head offices in Ennetbürgen, Switzerland, a staff of 60 people works in development, production, sales and customer services. Our qualified and motivated team is focussed on product quality and services that ensure customer satisfaction. 70 sales partners in 80 countries worldwide guarantee that new and existing customers will always have a SIGRIST representative nearby. Ongoing training and support are provided to our sales and service partners by HQ specialists, thus guaranteeing that our customers receive competent advice and efficient support when it comes to the application of SIGRIST products.