True Mass Flow Meters Flow Computers, Totalizers, and Indicators
Description
True Mass Flow Meters, Flow Computers, Totalizers, and Indicators are devices used to measure and display the mass flow rate of a fluid. These instruments provide critical data for monitoring and controlling fluid flow in various industrial processes. They are equipped with features such as digital displays, alarms, and programmability, and can be mounted on different configurations like panels, walls, or directly on the flow sensor.
Working Principle
True Mass Flow Meters operate by directly measuring the mass flow rate of a fluid. There are two primary types: thermal and Coriolis meters. Thermal mass flow meters use a heated sensing element, where the heat conducted away by the fluid is proportional to the mass flow rate. Coriolis meters, on the other hand, measure the deflection of a vibrating flow tube through which the fluid passes, with the deflection being proportional to the mass flow rate. These meters are useful because they provide direct mass flow measurements without needing additional calculations for temperature and pressure, unlike other flow sensing technologies.
Applications
True Mass Flow Meters are used in various specific applications. For instance, thermal mass flow meters are commonly used for monitoring gas flow rates in refinery flare gas systems, providing accurate and reliable data for process control. Coriolis meters are often employed in industries where precise measurement of fluid mass is crucial, such as in chemical processing or food and beverage manufacturing.
Advantages over other Flow Computers, Totalizers, and Indicators
True Mass Flow Meters offer several advantages over other types of flow measurement devices. They provide direct mass flow measurements, eliminating the need for separate devices to measure temperature and pressure, which simplifies the system and reduces potential sources of error. Additionally, they offer high accuracy and reliability, which is critical in applications where precise flow measurement is essential.
Limitations
Despite their advantages, True Mass Flow Meters have limitations. They can be more expensive than other types of flow meters due to their complexity and the technology used. Additionally, they may require more maintenance, particularly in harsh environments where the sensors can be exposed to corrosive or abrasive fluids.
Considerations
When considering the use of True Mass Flow Meters, it is important to evaluate factors such as initial costs, which can be higher compared to other flow measurement devices. Operating expenses should also be considered, as these devices may require more frequent maintenance. Durability is another factor, as the materials used in construction must withstand the specific conditions of the application. Accuracy is a key consideration, as these meters provide highly precise measurements, which can justify their higher cost in critical applications. Finally, replacement and maintenance costs should be factored into the overall cost of ownership, as these can vary depending on the specific type and application of the flow meter.
from Liquid Controls Group; a Unit of IDEX Corporation
The LectroCount „ ¢LCR System is an electronic register that replaces the mechanical register, calibration gears and/or adjuster mechanism. This system utilizes Weights & Measures approved hardware and software. The LCR is available with or without internal pulser, and accepts direct... [See More]
- Flow Sensor Inputs: Mass; Velocity
- Rates Displayed: Totalizer
- Media Type: Liquid
- Display Types: Digital Display (Readouts)
from Fluidwell bv
The F116 flow computer has been developed to calculate differential / consumption or total volume. The usual difficulties encountered in such applications include: pulsating flows, very low consumption readings, vibration and high ambient temperatures. These are all well catered for in the design... [See More]
- Flow Sensor Inputs: Differential Pressure Meters; Mass; Velocity
- Rates Displayed: Volumetric; Mass; Totalizer
- Media Type: Liquid; Gas/Steam
- Display Types: Digital Display (Readouts)
from OMEGA Engineering, Inc.
The FDT100 Series comprises advanced-technology water flowmeters. This series uses transit-time ultrasonic technology in which the signal is transmitted and received alternately between 2 flow sensors and the “time of flight ” determines the flow rate. The battery-powered transmitter... [See More]
- Flow Sensor Inputs: Mass
- Rates Displayed: Volumetric; Totalizer
- Media Type: Liquid
- Display Types: Digital Display (Readouts)
from KROHNE Messtechnik
The SUMMIT 8800 is a digital flow computer for custody transfer (CT) measurement. Its state of the art full color graphical touch screen allows a graphical representation of the measurement process, with all measured values shown in real time; Up to 5 different types of meters combined in one flow... [See More]
- Flow Sensor Inputs: Differential Pressure Meters; Mass; Velocity
- Rates Displayed: Volumetric; Velocity; Mass; Totalizer
- Media Type: Liquid; Gas/Steam
- Display Types: Digital Display (Readouts); Computer
from Florite International, Inc.
The 900 Series is an economic one loop microcomputer-based instrument incorporating user selectable digital and analog inputs, as well as analog and relay outputs. Other 900 Series features include .005% high accuracy PID, batch, and dose control functions. Additionally, the 900 Series encompasses... [See More]
- Flow Sensor Inputs: Differential Pressure Meters; Mass; Velocity
- Rates Displayed: Volumetric; Velocity; Mass; Totalizer
- Media Type: Liquid; Gas/Steam
- Display Types: Analog Meter or Indicator; Digital Display (Readouts); Computer
from Liquid Controls Group; a Unit of IDEX Corporation
LectroCount3 „ ¢ POS System is an electronic register that replaces the mechanical register, printer, calibration gears and/or adjuster mechanism. Retrofits to most truck mounted meters regardless of brand or principle of operation. This system utilizes Weights and Measures approved... [See More]
- Flow Sensor Inputs: Mass; Velocity
- Rates Displayed: Totalizer
- Media Type: Liquid
- Display Types: Digital Display (Readouts)
from Fluidwell bv
The F126-EG flow computer has been developed to calculate corrected gas volume at normal conditions. The corrected volumetric flow is calculated by measuring the uncorrected volumetric flow, actual line temperature and pressure which are processed with the equations stored in the flow computer. A... [See More]
- Flow Sensor Inputs: Differential Pressure Meters; Mass; Velocity
- Rates Displayed: Volumetric; Mass; Totalizer
- Media Type: Gas/Steam
- Display Types: Digital Display (Readouts)
from OMEGA Engineering, Inc.
The new Model FC-21 multifunction batcher and the Model FC-22 flow computer satisfy instrument requirements for a variety of flow meter applications. Omega offers many different types of flowmeters: paddlewheels, turbines, positivie displacement, annemometers, mass flow, etc. for many application... [See More]
- Flow Sensor Inputs: Mass; Velocity
- Rates Displayed: Volumetric; Velocity; Mass; Totalizer
- Media Type: Liquid; Gas/Steam
- Display Types: Digital Display (Readouts)
from Florite International, Inc.
The Florite Model 990X is an innovative, technically superior, high quality and reliable microcomputer-based controller suitable for any commercial or industrial application. The instruments user configurable screw-terminal channels enable any mix of up to eight inputs and or outputs regardless of... [See More]
- Flow Sensor Inputs: Differential Pressure Meters; Mass; Velocity
- Rates Displayed: Volumetric; Velocity; Mass; Totalizer
- Media Type: Liquid; Gas/Steam
- Display Types: Analog Meter or Indicator; Digital Display (Readouts); Computer
from Liquid Controls Group; a Unit of IDEX Corporation
A large numeral counter provides 5-digit resettable and 8-digit non-resettable totalizers. Printer provides an imprinted ticket record of the transaction. Counter and printer are legal for use on resale applications. Adaptable to most Positive Displacement meters. [See More]
- Flow Sensor Inputs: Mass
- Rates Displayed: Totalizer
- Media Type: Liquid
- Display Types: Analog Meter or Indicator
from Fluidwell bv
The F126-EL flow computer has been developed to calculate corrected liquid volume at normal conditions. The corrected volumetric flow is calculated by measuring the uncorrected volumetric flow and actual line temperature which is processed with the thermal expansion coefficient algorithm stored in... [See More]
- Flow Sensor Inputs: Differential Pressure Meters; Mass; Velocity
- Rates Displayed: Volumetric; Mass; Totalizer
- Media Type: Liquid
- Display Types: Digital Display (Readouts)
from Florite International, Inc.
The Model N920 is an embedded version of the 900 Series instrument incorporating user selectable digital and analog inputs, as well as analog and relay outputs. Other Model N920 features include .005% high accuracy PID, batch, and dose control functions. Additionally, the Model N920 encompasses rate... [See More]
- Flow Sensor Inputs: Differential Pressure Meters; Mass; Velocity
- Rates Displayed: Volumetric; Velocity; Mass; Totalizer
- Media Type: Liquid; Gas/Steam
- Display Types: Analog Meter or Indicator; Digital Display (Readouts); Computer
from Liquid Controls Group; a Unit of IDEX Corporation
A positive displacement meter measures gross volume regardless of temperature and/or specific gravity. On those products with linear coefficient of expansion, a Temperature Volume Compensator automatically corrects registration to indicate the volume of the liquid at a selected base temperature... [See More]
- Flow Sensor Inputs: Mass
- Rates Displayed: Mass
- Media Type: Liquid
- Display Types: Analog Meter or Indicator
from Fluidwell bv
The F127 flow computer has been developed to calculate corrected differential liquid volume at normal conditions. This is calculated by measuring the uncorrected volumetric flow and actual line temperature in both the supply and return line. These signals are processed with the thermal expansion... [See More]
- Flow Sensor Inputs: Differential Pressure Meters; Mass; Velocity
- Rates Displayed: Volumetric; Mass; Totalizer
- Media Type: Liquid; Gas/Steam
- Display Types: Digital Display (Readouts)
from Florite International, Inc.
The 700 Series is an economic one loop microcomputer-based instrument incorporating a digital input, as well as a relay output. Other 700 Series features include rate metering, dual totalizing, easy menu navigation, multiple audio/visual alarm functions, a serial RS-232 port, LWAN (modem)... [See More]
- Flow Sensor Inputs: Differential Pressure Meters; Mass; Velocity
- Rates Displayed: Volumetric; Velocity; Mass; Totalizer
- Media Type: Liquid; Gas/Steam
- Display Types: Analog Meter or Indicator; Digital Display (Readouts); Computer
from Fluidwell bv
The E126-EG delivers accurate measurement while withstanding the harshest conditions. It measures the actual flow, temperature and pressure and converts it with an ideal gas formula to gas volume at reference conditions (e.g. 0°C/1.013Bar or 14.7PSI /60°F). The reference conditions can be configured... [See More]
- Flow Sensor Inputs: Differential Pressure Meters; Mass; Velocity
- Rates Displayed: Volumetric; Velocity; Mass; Totalizer
- Media Type: Gas/Steam
- Display Types: Digital Display (Readouts)
from Fluidwell bv
The E126-EL delivers accurate measurement while withstanding the harshest conditions.The corrected volumetric flow is calculated by using the thermal expansion coefficient algorithm stored in the flowcomputer. The reference temperature can be defined as desired, e.g. 15°C, 20°C or 60°F. A typical... [See More]
- Flow Sensor Inputs: Differential Pressure Meters; Mass; Velocity
- Rates Displayed: Volumetric; Velocity; Mass; Totalizer
- Media Type: Liquid
- Display Types: Digital Display (Readouts)
from Fluidwell bv
The D016 is a loca,l panel mount indicator with linearization to display the actual flow rate, total and accumulated total. The total can be reset to zero by pressing the CLEAR button twice. The eleven digit accumulated total however can not be reset to zero. In addition to the average K-Factor or... [See More]
- Flow Sensor Inputs: Differential Pressure Meters; Mass; Velocity
- Rates Displayed: Volumetric; Mass; Totalizer
- Media Type: Liquid; Gas/Steam
- Display Types: Digital Display (Readouts)
from Fluidwell bv
The E018 is one of the top models in our range of explosion proof flow computers. In addition to the average K-Factor, 16 linearization points can be entered. The unit will interpolate between these points greatly enhancing accuracy in any flow range. Moreover, a continuous flow rate monitoring... [See More]
- Flow Sensor Inputs: Differential Pressure Meters; Mass; Velocity
- Rates Displayed: Volumetric; Mass; Totalizer
- Media Type: Liquid; Gas/Steam
- Display Types: Digital Display (Readouts)
from Fluidwell bv
he F016 is a local indicator which displays the actual flow rate, total and accumulated total. In addition to the average K-Factor or Span, eight linearization points can be entered with their frequencies or values. The unit will interpolate between these points, greatly enhancing accuracy in any... [See More]
- Flow Sensor Inputs: Differential Pressure Meters; Mass; Velocity
- Rates Displayed: Volumetric; Mass; Totalizer
- Media Type: Liquid; Gas/Steam
- Display Types: Digital Display (Readouts)
from Fluidwell bv
The F010 is a local indicator with large 26mm (1") high digits which displays the actual flow rate. The measuring and time unit to be displayed below the flow rate are simply selected through an alphanumeric configuration menu. No adhesive labels have to be put on the outside of the enclosure: a... [See More]
- Flow Sensor Inputs: Differential Pressure Meters; Mass; Velocity
- Rates Displayed: Volumetric; Mass
- Media Type: Liquid; Gas/Steam
- Display Types: Digital Display (Readouts)