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Doppler Flowmeter
Doppler Flowmeter

Instrumart is a leading supplier of industrial instruments located just outside Burlington, Vermont. Instrumart is the operating name for Total Temperature Instrumentation, Inc. ("TTI"). Instrumart is a global company with local roots. We are a member of the Lake Champlain Regional Chamber of Commerce and Vermont Businesses for Social Responsibility. We were recently named to Inc. Magazine's Inc. 5000 list of the fastest-growing private companies in the United States for the second year in a row. Vermont Business Magazine has named Instrumart one of the Best Places to Work in Vermont and one of Vermont's Top 5 Wholesale Businesses.
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Doppler Flowmeter
EESIFLO
EESIFLO International is a manufacturer of clamp on flow sensors and electronics. Accurate flow readings can be obtained within minutes without cutting the pipe or interrupting process flow
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Clamp on flow sensors
Clamp on flow sensor
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How pipeline Doppler Flowmeters work>>
Featured Doppler Flowmeter Supplier
Instrumart's Doppler Flowmeter
Doppler Flowmeter
The Teksco CompuFlow FDPD is a fixed ultrasonic doppler flow meter that combines ease of use with accuracy and instant setup. The CompuFlow is best suited for flow measurement applications such as: sludges, slurries, aerated liquids, sewage, dredges, pulp, plastics, and activated sludges. 
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Fuji Electric Duosonics Ultrasonic Flow Meter Highly accurate combination pulse Doppler and transit time flow meter. Complete Ultrasonic Flow Meter Kit Including Meter, Detectors and Cables
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The Mace FloSeries3 FloPro Doppler ultrasonic flow meter can measure both water quantity and quality. The FloPro can measure flow practically anywhere - full pipes, partially filled pipes and open channels.
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Dynasonics Series DFX doppler ultrasonic flow meters measure the flow of liquids that contain sound reflectors - suspended solids or gas bubbles – greater than 35 micron size. 
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EESIFLO Doppler Flowmeter
 
  • LCD Display
  • User friendly set up menu
  • Flow Rate and Total
  • Weatherproof IP 66 Rated Enclosure
  • Easy to install, economical and compact
  • Zero pressure drop
  • No sensor fouling
  • Pipe sizes 1 inch to 118 inches
  • Adjustable high and low trips
  • Adjustable relay
  • Cut off flow
  • Analog Output
  • Long sensor cable lengths with Pre-amp option
Doppler Flowmeter
http://www.eesiflo.com/products/eesiflo_3000_series_01.html
EESIFLO 3000 series doppler meters are good for the following applications
  • Ground water remediation flow measurement
  • Contaminated Groundwater measuring
  • Sewage Treatment flow
  • Raw Sewage flow tranmitters
  • Sewage plant flowmeters
  • Difficult liquids that damage other flowmeters
  • Pump protection flow switches
  • Wastewater and treatement flow meters
  • Slurries and slurry flow measurements
  • Sludge velocity meters
  • Abrasives
  • Measuring Liquids with suspended solids
  • Measurement of the velocity of Aerated liquids
How Doppler Flowmeters Work
A Doppler ultrasonic flow meter operates on the Doppler shift principle , whereby the transmitted frequency is altered linearly by being reflected from particles and bubbles in the fluid. The doppler flow meter net result is a frequency shift between doppler transmitter and receiver frequencies that can be directly related to the flow velocity and the doppler flow meter can calulate volume if the pipe internal diameter is known. The doppler meter can calculate the volumetric flow rate but a minimum amount of solid particles or air in the line to achieve measurements. These are called reflectors.
Types of Flowmeters
» Ultrasonic
» Thermal Mass
» Mass Flow Controller (MFC)
» Coriolis Mass
» Rotameter
» Positive Displacement PD Meter
» Vortex shedding
» Multiparameter Mass Vortex
» Multiphase
» Turbine
» Gas Flowmeter
» Air Flowmeter / Anemometer
» Compressed air Flow
» Calorimetric
» Compound Meter
» Electromagnetic
» Flumes & Weirs
» Insertion Flow Meter
» Open Channel
» Orifice plate
» Paddle Meter
» Variable Area
» Venturi
» Doppler
» Transit-Time
» Portable Flow meter
» Low Flow Measurement
» Laminar Mass
» Medical
» OEM
» dP cell/transmitter