Ultrasonic flow monitor for partially filled pipes & open channels. Measures Velocity & Level to Monitor Flow with a Single Ultrasonic Sensor Area-Velocity Flow Meter Measure flow through open channels, partially full pipes, and surcharged pipes without a flume or weir. Ideal for wastewater stormwater, effluent, industrial wastewater, and irrigation water. Submersible Ultrasonic Sensor The AVFM 6.1 uses a submerged ultrasonic sensor to continuously measure both velocity and level in the channel. The sensor resists fouling, corrosion, and abrasion. The flow meter can be configured with the standard submerged velocitylevel sensor, or with submerged velocity plus a separate noncontacting ultrasonic level sensor, for highly aerated fluids or those with a high concentration of suspended solids. View flow rate and total flow on the large backlit LCD display and connect to external devices with three 4-20mA outputs and two control relays. Flow rate, volume, run hours, and diagnostic information available through the optional Modbus RTU serial communications. Ultrasonic Flow Monitor for Partially Filled Pipes & Open Channels Easy to Use The AVFM 6.1 Area-Velocity Flow Meter measures both level and velocity to calculate flow in an open channel or pipe. Configuration is simple: enter the pipe diameter or channel dimensions and the AVFM 6.1 automatically computes and displays flow volume. THE RIGHT METER FOR • Wastewater • Combined Sewers • Industrial • Natural Streams Effluent • Stormwater • Irrigation Water The ultrasonic sensor mounts inside the pipe or on the bottom of a channel with a stainless steel mounting bracket (included) and a single screw into the bottom of the pipe or channel. No special compounds, tools, or hardware are required. The sensor is completely sealed with no orifices or ports. Recommended Pipe or Channel Conditions Careful selection of sensor mounting location results in the best performance and maintenance-free operation. Avoid locations where sediment builds up.

The best possible accuracy will result when the water is not highly turbulent and where velocity is evenly distributed across the channel. The channel should not have drops or direction changes immediately upstream of the sensor mounting location. Pipe or channel slope should not exceed 3%. See the installation manual for specific installation recommendations. The AVFM 6.1 can measure forward flow velocity up to 6 m/s (19.7 ft/s) and reverse flow up to 1.5 m/s (5 ft/s). The electronics and software sample and average flow rates continuously to provide stable readings. The submerged velocity /...

Technical Specifications GENERAL SPECIFICATIONS Operating Parameters: Round pipe, rectangular, trapezoid, egg, or custom shapes Electronics Enclosure: NEMA4X (IP66) polycarbonate with clear, shatterproof cover Built-in 5-key calibrator with English, French, or Spanish language selection • Level: ±0.25% of reading or ±2.03 mm (0.08 in), whichever is greater. Repeatability & Linearity 0.1%. • Velocity: ±2% of reading or ±0.012 m/s (0.04 ft/s), whichever is greater. Requires solids or bubbles minimum size of 100 microns, minimum concentration 75 ppm. Repeatability & Linearity 0.5% White, back-lit...

AVFM 6.1 Front & Side View Delivering the Measure of Possibility Pulsar Measurement offers worldwide professional support for all of our products, and our network of global partners all offer full support and training. Our facilities in Malvern, UK and Largo, USA are home to technical support teams who are always available to answer your call or attend your site when required. Our global presence, with direct offices in the UK, USA, Canada, and Malaysia, allows us to create close relationships with our customers and provide service, support, training, and information throughout the lifetime of...