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DFS2 Doppler Flow Switch

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DFS2 Doppler Flow Switch

DFS2 Doppler Flow Switch

Quick Overview

The DFS2 Doppler Flow Switch continuously measures the velocity of fluid in pipelines using the non-intrusive Doppler principle. The DFS2 is quick and easy to install with no holes in the pipe, no sensor fouling, no maintenance and no downtime for sensor installation. The DFS2 includes a relay with adjustable high and low setpoint control and adjustable delay-on and delay-off timers. The DFS2 has two selectable flow ranges, 0 - 2m/s and 0 - 6 m/s, with the flow rate indicated on the 10 LED bar graph flow indicator.
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Details

This Doppler Flow Switch is designed for use with fluids, which contain in excess of 0.1 % suspended solids or bubbles, having a size greater than 100 microns. Typical applications include slurries, sewage, sludge, pulp, food products, aerated water and abrasives. This versatile flow switch is suitable for use on a variety of metal and plastic pipes. 

Features
  • 10 LED Bar graph flow indicator
  • Easy to install and compact
  • Zero pressure drop
  • No sensor fouling
  • Pipe sizes  ≥DN25
  • Adjustable high and low trips
  • Two selectable flow ranges: 0 - 2m/s and  0 - 6m/s
  • Adjustable drop-out timer for relay
  • Adjustable start-up timer for pump operation Selectable failsafe mode setting with latching of trip relay
Specifications:

Measuring Range :

 0.3 to 2.0 m/s, or
0.3 to 6.0 m/s
Set Points : 0 to 100% of Range
Timer Delays : 0 to 60 seconds
Power Supply :

 115/230vAC, 50Hz, or
24vDC +/-10%
Output  : 1 Relay - 1Amp SPDT
Transducer Cable : 3 metre length
Operating Temperature :

 Sensor -20 to 90°C
Electronics -10 to 50°C
Enclosure :

 Polycarbonate, IP65
120 x 120 x 55mm
Transducers: Stainless Steel, IP68

Availability: Stock Item

 

Components / Downloads

For further information, technical advice, or a quotation please call or email us. If you are not sure which product you need one of our technical sales advisors will be happy to discuss your application. We also accept company purchase orders by fax or post. Credit card orders can also be placed over the phone for any product.

REF DESCRIPTION DOWNLOADS PRICE ORDER ITEM
DFS2
 DFS2 Ultrasonic, clamp on doppler flow switch. Suitable for pipe diameters from 1 inch to 118 inch with selectable flow ranges of 0.3 to 2m/s and 0.3 to 6m/s. The DFS2 comes with 1 relay output, Hi and Low alarm and 10 LED bar graph flow indicator. Power Supply 230vAC.
View FileDatasheet
   Size: (108.38 KB)
View FileManual
   Size: (149.17 KB)
£924.96
or call us for a quote
DFS2-24VDC
 DFS2 Ultrasonic, clamp on doppler flow switch. Suitable for pipe diameters from 1 inch to 118 inch with selectable flow ranges of 0.3 to 2m/s and 0.3 to 6m/s. The DFS2 comes with 1 relay output, Hi and Low alarm and 10 LED bar graph flow indicator. Power Supply 24vDC.
£924.96
or call us for a quote
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