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.
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
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Order Item
DFS2-3
DFS2 clamp on doppler flow switch, bar graph flow indicator, pipe sizes 1-118", hi & lo trip,selectable flow ranges: 0-6.5 & 0 -19.6 f/s Adj. drop-out timer for relay start-up timer for pump operation, failsafe mode with latching relay. PS 24VDC.
1800.00
Not Available online
DFS2-2
DFS2 clamp on doppler flow switch, bar graph flow indicator, pipe sizes 1-118", hi & lo trip,selectable flow ranges: 0-6.5 & 0 -19.6 f/s Adj. drop-out timer for relay start-up timer for pump operation, failsafe mode with latching relay. PS 230VAC.