Gas or Steam Flow Computers, Totalizers, and Indicators
Description
Gas or steam flow computers, totalizers, and indicators are devices used to measure and display the flow rate and total flow of gases or steam. These instruments provide critical data for monitoring and managing fluid flow in various industrial processes. They can display flow information in real-time and often include features such as alarms, controllers, and programmability to enhance their functionality.
Working Principle
Flow computers, totalizers, and indicators operate by measuring the flow rate of a gas or steam and calculating the total flow over time. They use different types of flow meters, such as Coriolis, orifice, thermal, turbine, ultrasonic, and rotary displacement meters, each with unique operating principles. For example, Coriolis flow meters are known for their high accuracy and low maintenance requirements, while orifice flow meters are more budget-friendly. These devices are essential for ensuring accurate flow measurement, which is crucial for process control, safety, and efficiency in industrial settings.
Applications
These devices are widely used in various industries. In the oil and gas sector, they are employed in oil rigs, pipelines, and oil wells, often located in remote and harsh environments. They are also used in water and wastewater plants for flow monitoring and indication. In the maritime industry, they help calculate total fuel consumption on offshore vessels. Additionally, they are used in chemical plants for ratio controlling and in the food industry as batch controllers.
Advantages over other Flow Computers, Totalizers, and Indicators
Flow computers, totalizers, and indicators offer several advantages. For instance, Coriolis flow meters provide high accuracy and require less maintenance compared to other types. Devices like the Fluidwell explosion-proof E-series flow monitors are standalone and do not require external power, making them suitable for harsh and remote locations. These features make them highly reliable and efficient for critical applications.
Limitations
One limitation of these devices is that the choice of flow meter can significantly impact the cost and maintenance requirements. For example, while Coriolis meters offer high accuracy, they can be more expensive than orifice meters. Additionally, the operating environment can pose challenges, as devices used in hazardous areas must meet specific safety standards, such as IEC 61508/61511 compliance.
Considerations
When selecting flow computers, totalizers, and indicators, several factors should be considered. Initial costs can vary significantly depending on the type of flow meter and the features required. Operating expenses are influenced by maintenance needs and the durability of the device. Accuracy is a critical factor, especially in applications where precise flow measurement is essential. Replacement and maintenance costs should also be considered, as some devices may require more frequent servicing or part replacements.
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]
- Media Type: Gas/Steam
- Display Types: Digital Display (Readouts)
- Rates Displayed: Volumetric; Mass
- 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]
- Media Type: Gas/Steam
- Display Types: Digital Display (Readouts)
- Rates Displayed: Volumetric; Mass
- 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]
- Media Type: Gas/Steam
- Display Types: Digital Display (Readouts)
- Rates Displayed: Volumetric; Mass
- Local Interface: Digital Front Panel
from ABB Measurement & Analytics
Time tested and field proven, μFLO is known throughout the industry as an extremely accurate and reliable gas flow computer. µFLOG5 features the Linux operating system, has persistent memory, and supports linear liquid measurement. Backwards compatibility is a high priority, and the... [See More]
- Media Type: Gas/Steam
- Local Interface: Digital Front Panel
- Display Types: Digital Display (Readouts)
- Inputs: 2
from ABB Measurement & Analytics
XFCG5 provides an upgraded path to new digital technologies and protocols such as MQTT and secured wireless connection (WiFi-Access Point or Bluetooth). This generation of flow computers and RTUs also offers a low-power, highly-reliable microprocessor-based unit with a Linux operating system,... [See More]
- Media Type: Gas/Steam
- Local Interface: Digital Front Panel
- Display Types: Digital Display (Readouts)
- Inputs: 2
from ABB Measurement & Analytics
XIO sets a new standard for control, automation and measurement solutions, dedicated to upstream Oil & Gas applications. This new solution provides remote expansion for both brownfield and greenfield flow computers and RTUs. It also allows operators to improve their performance by reducing their... [See More]
- Media Type: Gas/Steam
- Mounting Configuration: DINRail
- Local Interface: Computer Interface
- Approvals: CSA, UL
from OMEGA Engineering, Inc.
The FMA1000 Series industrial air velocity/ temperature transmitter/indicator measures and displays air velocity as well as air temperature in research and development labs, HVAC applications, and other manufacturing processes. The sensor design is based on three RTD elements, one measures air... [See More]
- Media Type: Gas/Steam
- Display Types: Digital Display (Readouts)
- Rates Displayed: Velocity
- Local Interface: Digital Front Panel; Computer Interface
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]
- Media Type: Liquid; Gas/Steam
- Display Types: Digital Display (Readouts)
- Rates Displayed: Volumetric; Mass; Totalizer
- Local Interface: Digital Front Panel
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]
- Media Type: Liquid; Gas/Steam
- Local Interface: Digital Front Panel; Computer Interface
- Rates Displayed: Mass
- 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]
- Media Type: Liquid; Gas/Steam
- Local Interface: Digital Front Panel
- Display Types: Digital Display (Readouts)
- Generic Inputs: Pulse (Frequency) Inputs
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]
- Media Type: Liquid; Gas/Steam
- Display Types: Analog Meter or Indicator; Digital Display (Readouts); Computer
- Rates Displayed: Volumetric; Velocity; Mass; Totalizer
- 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]
- Media Type: Liquid; Gas/Steam
- Display Types: Digital Display (Readouts); Computer
- Rates Displayed: Volumetric; Velocity; Mass; Totalizer
- Local Interface: Digital Front Panel; Computer Interface
from Willowglen Systems Inc.
Willowglen ’s Unisen Series 5 Flow Computer outperforms the competition – with standard and advanced features, and flexible configuration: · Available in different sizes to accommodate small to large numbers of flow meters (maximum 25 flow meters). · Flexible enough to deal... [See More]
- Media Type: Liquid; Gas/Steam
- Display Types: Digital Display (Readouts)
- Rates Displayed: Volumetric
- Local Interface: Digital Front Panel; Computer Interface
from Hoffer Flow Controls, Inc.
The HIT-4G is a compact digital gas flow computer with temperature, pressure and compressibility compensation. The HIT-4G is configurable from the instrument front panel keypad or via Modbus communications. OUTSTANDING FEATURES. LCD display for total, rate, temperature and pressure. Non-resettable... [See More]
- Media Type: Gas/Steam
- Display Types: Digital Display (Readouts)
- Rates Displayed: Totalizer
- Local Interface: Digital 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]
- Media Type: Gas/Steam
- Display Types: Digital Display (Readouts)
- Rates Displayed: Volumetric; Mass; Totalizer
- 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]
- Media Type: Liquid; Gas/Steam
- Display Types: Digital Display (Readouts)
- Rates Displayed: Mass
- Local Interface: Digital Front Panel
from OMEGA Engineering, Inc.
The DPF60 is a combination microprocessor-based digital rate indicator and integrating totalizer. It accepts inputs of 4 to 20 mA, 0 to 20 mA, 0 to 5 V, or 1 to 5 V and can be scaled for engineering units directly from the NEMA 4X (IP66) rated front panel without tweaking internal potentiometers. [See More]
- Media Type: Liquid; Gas/Steam
- Display Types: Digital Display (Readouts)
- Rates Displayed: Totalizer
- 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]
- Media Type: Gas/Steam
- Display Types: Digital Display (Readouts)
- Rates Displayed: Volumetric; Mass; Totalizer
- Local Interface: Digital Front Panel
from ProSoft Technology, Inc.
The MVI71-AFC is an in-rack Liquid & Gas Flow Computer Module for the PLC platform. The MVI71-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]
- Media Type: Liquid; Gas/Steam
- Computer Interface: Serial; Other
- Local Interface: Digital Front Panel; Computer Interface
- Inputs: 4
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]
- Media Type: Liquid; Gas/Steam
- Display Types: Analog Meter or Indicator; Digital Display (Readouts); Computer
- Rates Displayed: Volumetric; Velocity; Mass; Totalizer
- Local Interface: Analog Front Panel; Digital Front Panel; Computer Interface
from Hoffer Flow Controls, Inc.
GENERAL DESCRIIPTIION. Featuring 5 digits of rate and 8 digits of total, the HRT1 is a loop powered indicator capable of accepting magnetic pickup, DC pulse or switch closure inputs. The HRT1 uses the 4-20mA loop to provide power when this output is used and to provide the HART ® communication... [See More]
- Media Type: Liquid; Gas/Steam
- Display Types: Digital Display (Readouts)
- Rates Displayed: Volumetric; Totalizer
- 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]
- Media Type: Liquid; Gas/Steam
- Display Types: Digital Display (Readouts)
- Rates Displayed: Volumetric; Mass; Totalizer
- 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]
- Media Type: Liquid; Gas/Steam
- Display Types: Digital Display (Readouts)
- Rates Displayed: Mass
- Local Interface: Digital Front Panel
from OMEGA Engineering, Inc.
The DPF301 Series comprises 4 to 20 mA loop-powered panel-mount indicators that display process variables in engineering units (GPM, LPM, psig, %RH, etc.), with an adjustable decimal point for rate and total display. Because these indicators take power directly from the current loop, the user can... [See More]
- Media Type: Liquid; Gas/Steam
- Display Types: Digital Display (Readouts)
- Rates Displayed: Volumetric; Totalizer
- Local Interface: Digital Front Panel
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]
- Media Type: Liquid; Gas/Steam
- Display Types: Digital Display (Readouts)
- Rates Displayed: Volumetric; Mass; Totalizer
- Local Interface: Digital Front Panel
from ProSoft Technology, Inc.
The MVI69-AFC is an in-rack Liquid & Gas Flow Computer Module for the CompactLogix platform. The MVI69-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... [See More]
- Media Type: Liquid; Gas/Steam
- Computer Interface: Serial; Other
- Local Interface: Digital Front Panel; Computer Interface
- Inputs: 4
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]
- Media Type: Liquid; Gas/Steam
- Display Types: Analog Meter or Indicator; Digital Display (Readouts); Computer
- Rates Displayed: Volumetric; Velocity; Mass; Totalizer
- Local Interface: Digital Front Panel; Computer Interface
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]
- Media Type: Liquid; Gas/Steam
- Display Types: Digital Display (Readouts)
- Rates Displayed: Volumetric; Mass; Totalizer
- Local Interface: Digital Front Panel
from Spirax-Sarco
The M800 gas flow computer receives signals from various pipeline transmitters and converts them to display flowrate, total flow, pressure and temperature. The flow computer operates with Gilflo, ILVA, linear flowmeters, vortex and orifice plates. The M800 can provide density compensation for... [See More]
- Media Type: Gas/Steam
- Display Types: Digital Display (Readouts)
- Rates Displayed: Volumetric; Totalizer
- Local Interface: Digital Front Panel
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]
- Media Type: Liquid; Gas/Steam
- Display Types: Digital Display (Readouts)
- Rates Displayed: Volumetric; Velocity; Mass; Totalizer
- 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]
- Media Type: Liquid; Gas/Steam
- Display Types: Digital Display (Readouts)
- Rates Displayed: Volumetric; Mass; Totalizer
- Local Interface: Digital Front Panel
from ProSoft Technology, Inc.
The MVI56 Liquid & Gas Flow Computer Module is a ControlLogix ® backplane compatible module that allows ControlLogix processors to easily support flow applications performing measurement of hydrocarbon gases or liquids using AGA 3, 7, 8 and API 2540 measurement standards. The module... [See More]
- Media Type: Liquid; Gas/Steam
- Computer Interface: Other
- Local Interface: Digital Front Panel; Computer Interface
- Inputs: 4
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]
- Media Type: Liquid; Gas/Steam
- Display Types: Analog Meter or Indicator; Digital Display (Readouts); Computer
- Rates Displayed: Volumetric; Velocity; Mass; Totalizer
- Local Interface: Digital Front Panel; Computer Interface
from Hoffer Flow Controls, Inc.
The Model 2000 is a microprocessor based volumetric 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 flowmeters. The unit is factory... [See More]
- Media Type: Liquid; Gas/Steam
- Display Types: Digital Display (Readouts)
- Rates Displayed: Volumetric; Totalizer
- 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]
- Media Type: Liquid; Gas/Steam
- Display Types: Digital Display (Readouts)
- Rates Displayed: Volumetric; Mass
- Local Interface: Digital Front Panel
from ProSoft Technology, Inc.
Providing gas flow and SCADA communication capabilities [See More]
- Media Type: Gas/Steam
- Computer Interface: Serial; Other
- Local Interface: Digital Front Panel; Computer Interface
- Inputs: 2
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]
- Media Type: Liquid; Gas/Steam
- Display Types: Digital Display (Readouts)
- Rates Displayed: Volumetric; Mass
- Local Interface: Digital Front Panel