Clamp-on Doppler Flow Meter
Non-contacting, clamp-on flow meters offer effective clamp-on pipe flow measurement from outside the pipe.
Its Doppler technology makes it perfect for use as a water flow meter. They specifically measure for difficult liquids, or liquids with suspended solids such as wastewater, slurries, sludge, chemicals, viscous liquids, and abrasives. The non-invasive Doppler ultrasonic flow meter fits a pipe 12.5 mm inside diameter or larger. It clamps to the outside of the pipe, gaining flow measurement readings without interrupting the process.
The easy to use 5-key configuration system on the DFM 6.1 Doppler Flow Meter makes setup and installation quick, simple, and easy. The unit features a large digital flow rate display with a totalizer, isolated 4-20 mA output, 26-million-point data logger, and two programmable control relays.
External Sensor – No Contact, No Maintenance
The DFM 6.1 Doppler Flow Meter is ideal for full pipes and any liquid containing gas bubbles or suspended solids. To measure velocity an acoustic signal is reflected to the sensor from moving particles or gas bubbles suspended in the fluid. Flow is calculated based on the configured pipe inside diameter.
Installation is easy – without shutting down the flow system. No contact is made with the moving fluid. No pipe cutting or drilling is required. There is no fouling or scale build-up on the sensor.
Reverse Flow Measurement
The DFM 6.1 Doppler Flow Meter measures flow in either direction and will display positive or negative values. You can control the totalizer to subtract reverse flow or to totalize forward flow only.
Use Doppler pipe flow measurement devices to control flow within a process, protect pumps from no-flow or dry pumping, or for flow proportionate use. You can even use it to test existing equipment to ensure it’s still providing accurate pipe flow measurement.
The Pulsar PDFM is a portable non contact flow meter suitable for water, slurries and raw sewage.
The PDFM 6.1 Portable Doppler Flow Meter provides fast, accurate, non-invasive flow measurement for the most challenging industrial environments and mediums. Whether you need flow measurement or you need to prove that your existing system is performing properly, the PDFM 6.1 is here to simplify the challenging.
The battery powered Portable Doppler Flow meter measures difficult fluids in full pipes from 13mm to 4.6m ID with typical accuracies of ±2% of reading and repeatability ±0.1%.
The battery powered unit is powered by rechargeable lithium batteries for up to 15 hours continuous operation. The PDFM’s sleep-logging mode will comfortably log for 30 days at 5 minute intervals on a single charge.
The Pulsar PDFM is suitable for liquids with suspended solids or bubbles with a minimum size of 100 microns and minimum concentration of 75 ppm.
