Doppler Flow Meter has non-contact design.
Press Release Summary:
Able to measure flow from outside of any pipe with ½ in. ID or larger, DFM 5.0 is designed for use with difficult liquids such as wastewater, sludge, slurries, abrasives, or any liquid with bubbles or suspended solids. This strap-on ultrasonic sensor, equipped with 2 control relays, features isolated 4-20 mA output as well as backlit display and totalizer. Calibration and start-up is facilitated via built-in, 5-button keypad.
Original Press Release:
New Non-Contacting Flow Meter
The new DFM 5.0 Doppler Flow Meter from Greyline Instruments measures flow from outside a pipe. The strap-on ultrasonic sensor mounts on any pipe ½" ID or larger. The DFM 5.0 is designed for "difficult" liquids like wastewater, sludge, slurries, abrasives or any liquid with bubbles or suspended solids. Calibration and start-up is simple with the built-in 5-button keypad.
Standard features include a large, backlit display and totalizer, isolated 4-20mA output and 2 control relays. Options include a built-in data logger and reporting system with USB output and Windows software, intrinsically safe and high temperature sensors.
http://www.greyline.com/dfm5.htm
Greyline Instruments Inc.
105 Water Street
Massena, NY 13662
Tel: 315-788-9500
Toll Free: 888-473-9546
Fax: 315-764-0419
E-mail: info@greyline.com