Ultrasonic water meter QALCOSONIC W1 is a static ultrasonic water metering device designed for highly accurate measurement of cold and hot water consumption in households, apartment buildings, and commercial premises. Its measurement technology has no moving parts, ensuring exceptional long-term stability, reliability, and resistance to deviations caused by sand, suspended particles, or air pockets in the water. The device features a 9-digit multi-line LCD providing total volume and instantaneous flow rate indication. This product group includes the QALCOSONIC W1 modification specifically adapted for Belgium, the Netherlands, France, Germany, Denmark, Norway, Finland, Poland, and Sweden.