Our factory presents the Portable Flow Transmitter 4-20mA Ultrasonic Doppler Flow Transducers Meter Handheld Flowmeter for Sewage. This highly innovative product has been designed with advanced technology and is ideal for measuring the flow rate of sewage and other complex fluids. It comes with a built-in 4-20mA output, providing accurate data and is fully compliant with industry standards. The handheld device is portable and lightweight, making it easy to carry and use anywhere. Our factory adopts strict quality control measures to ensure that our products are of the highest quality. We take pride in our products and guarantee customer satisfaction.