Pulsar is a manufacturer of ultrasonic equipment for the wastewater, industrial and environmental markets. Since 1986, they have developed, manufactured and marketed industrial surface measurement equipment, including ultrasonic surface measurement transmitters and open channel flow meters. In 2019, Greyline was acquired by TASI Group, and Greyline and another TASI company, Pulsar Measurement, merged. These two brands offer a wider range of instrumentation. Greyline brings high-quality and innovative ultrasonic flow measurement solutions to Pulsar's product range.