Mass Flow Computers, Totalizers, and Indicators
Description
Mass Flow Computers, Totalizers, and Indicators are devices used to measure and display the flow rate and totalized flow of fluids. They provide critical data for monitoring and controlling fluid flow in various industrial processes. These devices can feature analog or digital displays and may include interfaces for computer connectivity, alarms, and programmability .
Working Principle
Mass Flow Computers, Totalizers, and Indicators operate by measuring the flow of a fluid through a sensor and converting this data into a readable format. For example, oval gear totalizers use two oval gears to measure the volume of fluid passing through, generating a pulse total that represents a specific volume . These devices are useful because they provide accurate and consistent flow measurements, which are essential for process control and optimization in industries such as power generation and oil and gas .
Applications
These devices are commonly used in industries that require precise flow measurement and control. Specific examples include electric power plants and oil/gas refineries, where air/gas flow meters must often comply with safety standards like IEC 61508/61511 (SIL) as part of a Safety Instrumented System (SIS) .
Advantages over other Flow Computers, Totalizers, and Indicators
One advantage of using mass flow computers and totalizers is their ability to provide accurate measurements over a wide range of flow conditions. This is particularly important in applications involving turbines and compressors, where consistent and precise flow measurement is crucial for performance optimization .
Limitations
A limitation of these devices is that they may require specific configurations or approvals to be used in hazardous environments, such as those found in oil and gas refineries .
Considerations
When selecting mass flow computers, totalizers, and indicators, it is important to consider factors such as initial costs, operating expenses, and maintenance requirements. The choice of display type, interface options, and mounting configurations can also impact the overall cost and usability of the device . Durability and accuracy are critical for ensuring reliable performance, and regular maintenance may be necessary to maintain optimal functionality.
from ABB Measurement & Analytics
Flow-X series of flow computers is a powerful and versatile automation platform, especially designed for the custody transfer of liquid and gas. It provides different enclosure options for panel-mount and field-mount installation and possesses measurement certifications from multiple, 3rd-party... [See More]
- Rates Displayed: Volumetric; Mass
- Display Types: Digital Display (Readouts)
- Media Type: Gas/Steam
- Local Interface: Digital Front Panel
from ABB Measurement & Analytics
Flow-X series of flow computers is a powerful and versatile automation platform, especially designed for the custody transfer of liquid and gas. It provides different enclosure options for panel-mount and field-mount installation and possesses measurement certifications from multiple, 3rd-party... [See More]
- Rates Displayed: Volumetric; Mass
- Display Types: Digital Display (Readouts)
- Media Type: Gas/Steam
- Local Interface: Digital Front Panel
from ABB Measurement & Analytics
Flow-X series of flow computers is a powerful and versatile automation platform, especially designed for the custody transfer of liquid and gas. It provides different enclosure options for panel-mount and field-mount installation and possesses measurement certifications from multiple, 3rd-party... [See More]
- Rates Displayed: Volumetric; Mass
- Display Types: Digital Display (Readouts)
- Media Type: Gas/Steam
- Local Interface: Digital Front Panel
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]
- Rates Displayed: Volumetric; Mass; Totalizer
- Display Types: Digital Display (Readouts)
- Media Type: Liquid; Gas/Steam
- Local Interface: Digital Front Panel
from Hoffer Flow Controls, Inc.
The Model 2005 is a microprocessor based temperature compensated flow rate indicator/totalizer that provides local display and transmits flow data for control capability. The unit is part of a cost effective family of flow products designed to accept inputs from pulse producing or analog producing... [See More]
- Rates Displayed: Mass; Totalizer
- Display Types: Digital Display (Readouts)
- Media Type: Liquid
- Local Interface: Digital Front Panel; Computer Interface
from ProSoft Technology, Inc.
The MVI46-AFC is an in-rack Liquid & Gas Flow Computer Module for the SLC platform. The MVI46-AFC Flow Computer module supports 8 meter channels for the measurement of hydrocarbon gases and liquids using currently accepted industry measurement standards. The module calculates flow rates,... [See More]
- Rates Displayed: Mass
- Local Interface: Digital Front Panel; Computer Interface
- Media Type: Liquid; Gas/Steam
- Computer Interface: Other
from Flow Technology, Inc.
The SL Series Flow Computers consist of three panel-mounted display units for use with liquid and gas flowmeters. All units are easily programmed through the front keypad or with a Windowsbased PC software program. Each device has multiple assignable outputs allowing tremendous flexibility to set... [See More]
- Rates Displayed: Volumetric; Mass
- Display Types: Digital Display (Readouts)
- Media Type: Liquid; Gas/Steam
- Local Interface: Digital Front Panel
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]
- Rates Displayed: Volumetric; Velocity; Mass; Totalizer
- Display Types: Analog Meter or Indicator; Digital Display (Readouts); Computer
- Media Type: Liquid; Gas/Steam
- Local Interface: Analog Front Panel; Digital Front Panel; Computer Interface
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]
- Rates Displayed: Volumetric; Velocity; Mass; Totalizer
- Display Types: Digital Display (Readouts); Computer
- Media Type: Liquid; Gas/Steam
- Local Interface: Digital Front Panel; Computer Interface
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]
- Rates Displayed: Volumetric; Velocity; Mass; Totalizer
- Display Types: Digital Display (Readouts)
- Media Type: Liquid; Gas/Steam
- Local Interface: Digital Front Panel
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]
- Rates Displayed: Mass
- Display Types: Analog Meter or Indicator
- Media Type: Liquid
- Local Interface: Analog Front Panel
from Aalborg Instruments
Microprocessor driven digital Command Modules are. used in conjunction with any analog or digital mass flow. meters or controllers with 0-5 Vdc input /output signals. One, two, three and four channel Command Module. configurations are available. Command Modules contain. appropriate power supplies,... [See More]
- Rates Displayed: Volumetric; Mass; Totalizer
- Display Types: Digital Display (Readouts)
- Media Type: Gas/Steam
- Local Interface: Digital Front Panel; Computer Interface
from Spirax-Sarco
The M850 is a flexible and easy to use flow computer that accurately calculates mass and energy flow for steam, gas and liquids across a wide variety of applications. [See More]
- Rates Displayed: Mass
- Display Types: Digital Display (Readouts)
- Media Type: Liquid; Gas/Steam
- Local Interface: Digital Front Panel
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]
- Rates Displayed: Volumetric; Mass; Totalizer
- Display Types: Digital Display (Readouts)
- Media Type: Gas/Steam
- Local Interface: Digital Front Panel
from Hoffer Flow Controls, Inc.
The Nova-Flow Series of flow computers is a family of highly flexible, modular flow computers designed for basic rate and total flow display, batch control for liquid and gas flow measurement, as well as for thermal energy measurement. With more than 500,000 unique configurations possible, the... [See More]
- Rates Displayed: Volumetric; Mass; Totalizer
- Display Types: Digital Display (Readouts)
- Media Type: Liquid; Gas/Steam
- Local Interface: Digital Front Panel
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]
- Rates Displayed: Volumetric; Velocity; Mass; Totalizer
- Display Types: Analog Meter or Indicator; Digital Display (Readouts); Computer
- Media Type: Liquid; Gas/Steam
- Local Interface: Analog Front Panel; Digital Front Panel; Computer Interface
from OMEGA Engineering, Inc.
The FD-400 Series ultrasonic doppler flowmeters measure the flow of liquids that contain sound reflectors, suspended solids, or gas bubbles larger than 100 microns. These sophisticated instruments automatically adjust filtering and gain settings to produce reliable readings in a wide range of liquid... [See More]
- Rates Displayed: Volumetric; Mass; Totalizer
- Display Types: Digital Display (Readouts)
- Media Type: Liquid
- Local Interface: Digital Front Panel
from Aalborg Instruments
Design Features. Displays instantaneous, total and accumulated flow rates. Built-in Flow Linearizer (10 point linearization of the flow curve). Up to 47 different volumetric and mass flow engineering units. Large 13mm (0.51") digits for flow rate and 5.5mm (0.21") for Total. Digital RS-232 or RS-485... [See More]
- Rates Displayed: Volumetric; Mass; Totalizer
- Display Types: Digital Display (Readouts)
- Media Type: Liquid; Gas/Steam
- Local Interface: Digital Front Panel; Computer Interface
from Spirax-Sarco
The M850 is a flexible and easy to use flow computer that accurately calculates mass and energy flow for steam, gas and liquids across a wide variety of applications. [See More]
- Rates Displayed: Mass
- Display Types: Digital Display (Readouts)
- Media Type: Liquid; Gas/Steam
- Local Interface: Digital Front Panel
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]
- Rates Displayed: Volumetric; Velocity; Mass; Totalizer
- Display Types: Digital Display (Readouts)
- Media Type: Liquid
- Local Interface: Digital Front Panel; Computer Interface
from Hoffer Flow Controls, Inc.
The Model 2007 is a microprocessor based batch controller that provides local display of flow rate, accumulated total and batch total. This unit also transmits flow data for control capability. Standard outputs include analog, RS-232, RS-422, RS-485 and conditioned pulse outputs. Optional... [See More]
- Rates Displayed: Volumetric; Mass; Totalizer
- Display Types: Digital Display (Readouts)
- Media Type: Liquid
- Local Interface: Digital Front Panel; Computer Interface
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]
- Rates Displayed: Volumetric; Velocity; Mass; Totalizer
- Display Types: Analog Meter or Indicator; Digital Display (Readouts); Computer
- Media Type: Liquid; Gas/Steam
- Local Interface: Digital Front Panel; Computer Interface
from Spirax-Sarco
The M800 steam flow computer is available with either panel or wall mount connections that can operate with: Gilflo, ILVA, DIVA flowmeters. Vortex, Spiraflo and orifice plate pipeline units. The M800 can provide density compensation for saturated and superheated steam with suitable inputs from... [See More]
- Rates Displayed: Volumetric; Mass; Totalizer
- Display Types: Digital Display (Readouts)
- Media Type: Gas/Steam
- Local Interface: Digital Front Panel
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]
- Rates Displayed: Volumetric; Mass; Totalizer
- Display Types: Digital Display (Readouts)
- Media Type: Liquid; Gas/Steam
- Local Interface: Digital Front Panel
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]
- Rates Displayed: Volumetric; Velocity; Mass; Totalizer
- Display Types: Analog Meter or Indicator; Digital Display (Readouts); Computer
- Media Type: Liquid; Gas/Steam
- Local Interface: Digital Front Panel; Computer Interface
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]
- Rates Displayed: Volumetric; Mass
- Display Types: Digital Display (Readouts)
- Media Type: Liquid; Gas/Steam
- Local Interface: Digital Front Panel
from Fluidwell bv
The F090-A-PL is an economical loop powered general purpose indicator with large 26mm (1") high digits. The measuring unit to be displayed is simply selected through an alphanumeric configuration menu. No adhesive labels have to be put on the outside of the enclosure: a weather proof and... [See More]
- Rates Displayed: Volumetric; Mass
- Display Types: Digital Display (Readouts)
- Media Type: Liquid; Gas/Steam
- Local Interface: Digital Front Panel