Go with the (intrusion-free) flow

Flow and Temperature Transmitter
Model 4411.30 inline flow and temperature transmitter has a hollow stainless steel tube for intrusion-free flow monitoring. The unit reads flow rates to 10 fps at temperature ranges -20-180 °F, and has a separate 4-20 mA DC output for flow and for temperature. It comes in 6-28 mm pipe sizes. It can be field adjusted using onboard zero and span potentiometers to tune the unit to specific flow rates.

Company Information

2230 Towne Lake Parkway, Building 900, Suite 200
Woodstock , GA 30189 (see map)
Phone: 770/592-6630
Fax: 770/592-6640
Website: www.webersensorsinc.com