Doppler Flow Switch controls flow from outside pipe.
May 27, 2009 -
Controlling flow with non-contacting ultrasonic sensor mounted on outside of pipes ½ in. diameter or larger, Model DFS-II is suited for pump protection, valve control, and flow/no-flow alarms. Water-tight NEMA 4X switch enclosure includes 5 A DPDT control relay, with adjustable ON and OFF set point controls, adjustable time delay, selectable fail-safe operating mode, signal strength and relay status LEDs, and sensitivity adjustment. Sensor mounting kit is included.
(Archive News Story - Products mentioned in this Archive News Story may or may not be available from the manufacturer.)
Original Press release
Greyline Instruments, Inc.
105 Water St.
Massena, NY, 13662
USA
Control Flow From Outside a Pipe - New Flow Switch
This new Model DFS-II Doppler Flow Switch controls flow with a non-contacting ultrasonic sensor mounted on the outside of pipes ½ inch diameter or larger. It installs in minutes. No pipe drilling or cutting is required and there is no maintenance.
The Greyline DFS-II is designed for pump protection, valve control and flow/no-flow alarms. It is ideal to control wastewater, slurries, caustics, acids and "difficult" liquids. The water tight NEMA4X switch enclosure includes a 5 ampere DPDT control relay, with adjustable ON and OFF set point controls, adjustable time delay, selectable fail-safe operating mode, signal strength and relay status LED's and sensitivity adjustment. A sensor mounting kit is included with each switch.
The DFS-II is surge protected, and the 20 ft. sensor cable can be extended up to 500 ft. For complete information contact the manufacturer: Greyline Instruments Inc.,407 County Route 46, Massena NY 13662. Tel: 888-473-9546 Fax: 315-764-0419 Email: info@greyline.com.
Contact: Ernest Higginson, Advertising Manager
Greyline Instruments Inc.
407 County Route 46
Massena, NY 13662
Tel: 315-788-9500
Email: ernie@greyline.com
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