DELTA INSTRUMENTATION SALES, INC.


"Chicagoland's Industrial Specialist"

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DFM-IV Doppler Flow Meter

  • Non-Contacting Ultrasonic Sensor
  • Large, 4-Digit LCD Display
  • 10-Digit Totalizer
  • Isolated 4-20mA (1000 ohm)
  • 3 Programmable Control Relays
  • Adjustable Sensitivity
  • Intrinsically Safe Sensor Option
  • Built-in 3-Key Calibrator
  • RFI Rejection Filters
  • MANUFACTURER: Greyline Instruments

Measure flow from outside a pipe. The Greyline DFM-IV is ideal 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 standard, strap-on ultrasonic sensor fits any pipe 1/2" (12.5 mm) Inside Diameter or larger. The electronics/display enclosure can be mounted nearby.

Use the isolated 4-20mA to transmit flow to remote displays, recorders or controllers. The 3 programmable relays can be used for flow control, pump protection or flow proportionate pulse. Calibration is easy with the built-in 3-key calibrator. Display and totalize flow in your choice of engineering units (gallons, liters etc.)

Sensor cable can be extended up to 500 ft. (152 m) with no loss of signal. The DFM-IV can be equipped with intrinsic safety barriers for sensor installation in hazardous rated locations. Other options include high temperature sensors, dual-head sensors and a built-in 50,000 point Data Logger.

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Copyright © 1998-2002 Greyline Instruments Inc. All rights reserved. Information in this document is subject to change without notice.