Description

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