The Proline Prosonic Flow E 100 is an economical ultrasonic flowmeter designed for bidirectional measurement of demineralized water, ideal for boiler condensate return lines. This robust, multivariable device offers high accuracy of ±0.5% for flow and ±2.0 °C for temperature, with a turndown ratio of 200:1. Featuring integrated temperature measurement and a durable stainless steel housing, it operates in process temperatures up to 150 °C. The user-friendly interface includes a local display and integrated web server for easy commissioning and monitoring. With Heartbeat Technology for extended calibration intervals, this flowmeter is a reliable choice for utilities.