Mainstream IV

Portable Ultrasonic Area-Velocity Flowmeter

The Mainstream IV Ultrasonic Area-Velocity Flowmeter provides accurate flow measurement for open channels and part filled pipes, making it an ideal water monitoring solution. The unit has multiple applications, including effluent monitoring, waste water treatment, industrial flow measurement, irrigation channels, river/stream flow measurement and water distribution. It uses the area-velocity method to give a continuous or time sampled measurement of fluid flow and is suitable for all water types, from clean water to raw sewage, in channels from 150mm to 3meters. It is suitable for any liquid containing bubbles or suspended solids, even in minute quantities.

Signals from the probe are analysed using patent pending Phase Coherence Processing which only accepts signals containing verified velocity information. A high quality signal confirms the integrity of the measurement and the liquid level is measured by a submerged pressure transmitter or ultrasonic sensor. The flow cross-sectional area is deduced from the liquid level measurement and a stored description of the pipe or channel cross-section. The flow velocity is multiplied by the flow cross sectional area to give the flow rate, and integrated to give the total discharge.

Data is displayed on a large character LCD display screen. The unit is powered by a rechargeable battery and can store approximately 250,000 measurements corresponding to more than six months data at 2 minute intervals. It is also available with an optional integrated modem with internet connectivity. Keenly priced and simple to install, Mainstream IV is the ideal solution for high quality environmental monitoring, ensuring accuracy, reliability and convenience.