Vesda VSP-969-S Front Cover Plastic 3.5 Display for VES-A10-PThe VESDA E VES is similar to the flagship VESDA E VEP aspirating smoke detector but also includes a valve mechanism in the inlet manifold and software to control the airflow from the four Sectors (pipes). This configuration enables a single zone to be divided into four separate sectors, for example, distinguishing between separate aisles within a data room. The VES enables the user to locate the source of smoke by identifying the first sector to