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Doppler ultrasonic flow meter DFM 6.1
for wastewaterfor slurryfor abrasive fluids

Doppler ultrasonic flow meter
Doppler ultrasonic flow meter
Doppler ultrasonic flow meter
Doppler ultrasonic flow meter
Doppler ultrasonic flow meter
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Characteristics

Technology
Doppler ultrasonic
Fluid
for wastewater, for slurry, for abrasive fluids
Other characteristics
digital, 4-20 mA, with display, analog output, direct-reading, programmable, IP66, with data logger, non-contact, clamp-on, wall-mounted, intrinsically safe, with alarm function, with indicator-totalizer, maintenance-free, stainless steel
Applications
for wastewater treatment, industrial, for the pharmaceutical industry, for water treatment, for the food industry, for high flow rates, for the petrochemical industry, laboratory, for the beverage industry, for the oil and gas industry, irrigation
Process pressure

Max.: 10 psi

Min.: 0 psi

Process temperature

Max.: 60 °C (140 °F)

Min.: -23 °C (-9 °F)

Description

The Greyline DFM 6.1 is designed to measure flow from outside a pipe for "difficult liquids" that would damage regular flow meters - wastewater, slurries, sludge, chemicals, viscous liquids, and abrasives. There is no obstruction to flow and no pressure drop. The non-intrusive, clamp-on ultrasonic sensor fits any pipe 12.5 mm (0.5 in) Inside Diameter or larger. The Greyline DFM 6.1 features enhanced performance in a wide range of applications. Improved industrial noise immunity filters potential interference sources. Use the isolated 4-20 mA output to transmit flow to remote displays, recorders, or controllers. The programmable relays can be used for flow control, pump protection, or flow proportionate pulse. A 128 MB data logger is standard, capable of capturing up to 26 million data points. Enhanced Performance Easy to Install and Configure Non-Contacting Clamp-On Ultrasonic Sensor Works on a Large Variety of Pipe Materials and Sizes Large Back-lit Flow Rate Display and Totalizer Isolated 4-20 mA Output 2 Programmable Control Relays Optional MODBUS RTU or HART Output 128 MB Data Logger (26 million points) Flow Rate Range - ± 0.03 m/s to 12.2 m/s (± 0.1 ft/s to 40 ft/s) in most applications Pipe Size - Any pipe ID from 12.7 mm to 4.5 m (0.5 in to 180 in) Accuracy - ±2% of reading or 0.03 m/s (0.1 ft/s) whichever is greater. Requires solids or bubbles minimum size of 100 microns, minimum concentration 75 ppm. Repeatability: ±0.1%, Linearity ±0.5% Display - White, backlit matrix - displays flow rate, relay states, 16-digit totalizer, operating mode, and calibration menu

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