Our factory is pleased to present the Isolated 4-20ma Output Doppler Effect Sewage Water Ultrasonic Flow Meter With Battery Powered. This top-quality product has a battery-powered design, making it ideal for locations where a continuous power source is not easily accessible. The flow meter utilizes the Doppler effect, providing highly accurate measurements for sewage and other wastewater applications. The isolated 4-20mA output ensures reliable transmission of data, while the easy-to-read digital display makes it simple to monitor flow rates and make necessary adjustments. Trust our factory's commitment to quality and precision when selecting your ultrasonic flow meter needs.