DELTA INSTRUMENTATION SALES, INC.


"Chicagoland's Industrial Specialist"

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DOPPLER FLOW SWITCH
DFS-II


DFS II - Doppler Flow Switch

  • Non-Contacting Ultrasonic Sensor
  • Easy Calibration
  • Accurate and Repeatable
  • 5 amp DPDT Control Relay
  • Adjustable ON/OFF Set-Points
  • Adjustable Time Delay
  • Relay Status LED
  • Intrinsic Safety Option
  • MANUFACTURER: Greyline Instruments

Control Flow from outside a pipe. Recommended for "difficult liquids" including wastewater, slurries, sludge, chemicals, viscous liquids and abrasives. The Greyline DFS-II is ideal for pump protection or to activate flow/no-flow alarms.

The DFS-II strap-on Sensor mounts on any pipe over 1/2" diameter without cutting the pipe or shutting down flow. It installs in minutes and requires no maintenance. Includes one 5 amp DPDT control relay with 0-60 second adjustable time delay. Bright LED indicators show relay status and signal strength. Electronics are housed in a watertight enclosure and Sensor cable is shielded and can be extended up to 500 ft. (152 m).


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Copyright © 1997-2002 Greyline Instruments Inc. All rights reserved. Information in this document is subject to change without notice.