9 Flowmeters; Opacimeter; Alarms for the detection of inflammable gases; Concentration meters; Level indicators; Level switches for monitoring and controlling liquids in tanks and vessels; Liquid level sensors; Oil level sensors; Pollutant sensors; Pressure sensors; Scientific apparatus for determining the water content in petroleum products; Ultrasonic sensors
The mark consists of stylized wording "zenvansz". There is a shape in the middle that resembles a heart. Color is not claimed as a feature of the mark. The wording zenvansz has no meaning in a foreign language.