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Pro-V Model M23-V Insertion Mass Flow Meter

Pro V M23 Insertion Vortex Flowmeter by Vortek InstrumentsMultivariable  Vortex Flowmeter

The Pro-V™ Model M23-V insertion vortex shedding flowmeters deliver a direct reading of volumetric flow rate, making it generally the most cost-effective solution for liquid flow monitoring. Great for use in applications ranging from general water flow measurement to hydrocarbon fuel flow measurement. 

Vortek Instruments Pro-V multivariable flowmeters utilise three primary sensing elements

  1. a vortex shedding velocity sensor
  2. an RTD temperature sensor and
  3. a solid-statepressure transducer - to measure the mass flow rate of gases, liquidand steam.

Systems that use external process measurements to calculate massflow may not provide adequate compensation for the fact thatprocess conditions can change radically between the point ofvelocity measurement and the point where upstream or downstreampressure and temperature measurements are beign made. Because the Pro-V multivariable flowmeter measures all of theseparameters in a single location, it delivers a more accurate processmeasurement. Integrating multivariable output capability with a single line penetration also simplifies system complexity and helps reduce initial equipment cost, installation cost and maintenance costs. The product line is available with a wide range of options and meterconfigurations to meet your specific application requirements.

Accuracy - Mass flow rate accuracy for gas and steam based on 50-100% of pressure range. 


Features & Benefits

Pro-V™ Multivariable Flowmeter Model M23 Features

  • Volumetric or mass flow monitoring of most liquids, gases, and steam
  • Multivariable meter delivers mass flow, temperature, pressure, and density readings from a single installed device and reduces initial cost, installation cost and cost of ownership over the lifetime of the instrument
  • Compensated mass flow reading of liquids, gases, and steam
  • Energy monitoring ability to compute and output energy use
  • Easy to install and commission – Hot tappable, process shut down not required for installation
  • Highly reliable - no moving parts, no fluid to sensor contact
  • High accuracy with wide rangeability up to 100:1
  • Handles temperatures up to 398°c
  • Handles pressures up to 1500 psig
  • Insertion style mounting permits installation in any pipe 2 inches and greater
  • Field configurable ranges, outputs and displays
  • Remote electronics option available for use in harsh environments or locations with limited access
  • 4-20mZ loop-powered design saves on energy costs
  • HART protocol communications (standard)
  • Modbus communications available
  • FM, FMC, ATEX, and IECEx Approved 


Principle of Operation

Pro-V™ Principle of Operation
Vortex flowmeters measure flows of liquid, gas and steam by detecting the frequency at which vortices are alternately shed from a bluff body. According to proven laws of physics, the frequency at which the vortices are alternately shed is directly proportional to the flow velocity.

Insertion vortex flowmeters measure flow by detecting the local velocity at a strategically located position within the pipe. The Pro-V™M23 detects the frequency at which vortices are alternately shed from the bluff body located within the sensor head. The Pro-V™M23 uses the local velocity, along with other parameters, such as fluid type, pipe size and Reynolds number to calculate the average pipe velocity, and consequently, the volumetric flow rate.

Pro-V™ Model M23-VTP
The Model M23-VTP offers you flow computer functionality in a compact field device. This multivariable instrument incorporates temperature and pressure sensors to provide an instantaneous reading of the compensated mass flow rate of gases, liquids and steam. In addition to outputs for totalized mass and alarm settings, the field-configurable electronics deliver up to three analog 4-20 mA outputs of five process measurements, including volumetric flow rate, mass flow rate, pressure, temperature and density.

Pro-V™ Model M23-VT
The Model M23-VT integrates a precision 1000 Ohm platinum RTD temperature sensor that can be used to calculate and output a compensated mass reading. This device is typically used to measure flow rates of saturated steam.

Pro-V™ Model M23-V
The Model M23-V delivers a direct reading of volumetric flow rate–-generally the most cost-effective solution for liquid flow monitoring–in applications ranging from general water flows to hydrocarbon fuel flow measurement.

Pro-V™ Model M23-EM
The Model M23 Energy Monitoring option permits real-time calculation of energy consumption for a facility or process. The meter can be programmed to measure steam, hot water or chilled water. The Model M23-VTP flowmeter monitors one side of the process, either sent or returned, and uses the input from a second separate temperature sensor on the opposite leg of the process to calculate the change in energy. Selectable energy units include Btu, joules, calories, Watt-hours, Megawatt-hours and Horsepower-hours. The local or remote electronics indicate two temperatures, delta T, mass total and energy total.

Pro-V™ Model M23-VTEP, VETEP
Similar to M23-VTP but with the option for an external input (T or P) via RTD
or 4-20mA or one of each. 

Pro-V Model M23-V Applications

Boiler Feed Water Industrial Gases
Chilled Water Natural Gas
Carbon Dioxide Nitrogen
Compressed Air Saturated Steam
Condensate Superheated Steam
Fully De-mineralized Water Steam
Heat Transfer Oil Water
Hot Water Cryogenic Liquids

Pro-V Model M23-V suitable Industries

Automotive Petrochemical
Chemical Pharmaceutical
Cement Power
Co-Generation Pulp & Paper
Energy Refining
Food and Beverage Semiconductor
Iron, Steel and Metal Water
Oil & Gas Cryogenic Liquids



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Flow Type: Gas Flow Meters, Liquid Flow Meters, Steam Flow Meters