Density Flow Computers, Totalizers, and Indicators
Description
Density Flow Computers, Totalizers, and Indicators are devices used to measure and display the flow rate and total flow of gases and liquids. These instruments are essential for accurately monitoring and recording the volume or mass of fluid passing through a system. They provide critical data for process control and optimization in various industrial applications.
Working Principle
Flow computers, totalizers, and indicators operate by integrating with flow sensors to calculate the flow rate and total flow of a fluid. They utilize various measurement techniques, such as differential pressure, vortex shedding, or ultrasonic methods, to determine the flow characteristics. These devices are equipped with digital or analog displays to present the data in a user-friendly format. Their usefulness lies in their ability to provide precise and real-time flow measurements, which are crucial for maintaining process efficiency and safety.
Applications
Flow computers, totalizers, and indicators are widely used in industries such as oil and gas, water and wastewater management, and chemical processing. For example, in the oil industry, they are employed for flow monitoring and indication in oil rigs, pipelines, and oil wells, which are often located in remote and harsh environments . In the food industry, batch controllers are used to ensure accurate dosing and mixing of ingredients .
Advantages over other Flow Computers, Totalizers, and Indicators
One of the significant advantages of certain flow computers and totalizers, such as the Fluidwell explosion-proof E-series, is their ability to operate without external power, making them ideal for remote and harsh conditions . Additionally, these devices offer a range of features, including programmability, alarms, and controllers, which enhance their functionality and adaptability to various industrial needs .
Limitations
While flow computers, totalizers, and indicators offer numerous benefits, they also have limitations. For instance, their accuracy can be affected by factors such as fluid properties, installation conditions, and sensor calibration. Moreover, the initial cost and complexity of installation can be significant, especially for systems requiring specialized sensors or interfaces.
Considerations
When selecting flow computers, totalizers, and indicators, several factors should be considered. Initial costs can vary depending on the complexity and features of the device. Operating expenses may include maintenance and calibration to ensure accuracy and reliability. Durability is crucial, especially for devices used in harsh environments, where robust construction is necessary to withstand extreme conditions. Additionally, the accuracy of these instruments is vital for process control, and regular maintenance is required to maintain their performance over time.
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]
- Additional Process Inputs: Density
- Rates Displayed: Volumetric; Mass
- Media Type: Gas/Steam
- Display Types: Digital Display (Readouts)
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]
- Additional Process Inputs: Density
- Rates Displayed: Volumetric; Mass
- Media Type: Gas/Steam
- 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]
- Additional Process Inputs: Density; Temperature
- Rates Displayed: Volumetric; Mass; Totalizer
- Media Type: Gas/Steam
- Display Types: Digital Display (Readouts)
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]
- Additional Process Inputs: Density; Temperature
- Rates Displayed: Volumetric
- Media Type: Liquid; Gas/Steam
- Display Types: Digital Display (Readouts)
from OMEGA Engineering, Inc.
FDT-40 Series ultrasonic flow and energy meters clamp on to the outside of pipes and do not come in contact with the internal liquid. The technology has inherent advantages over alternate devices including: low-cost installation, no pressure head loss, no moving parts to maintain or replace, no... [See More]
- Additional Process Inputs: Density
- Rates Displayed: Volumetric; Totalizer
- Media Type: Liquid
- Display Types: Digital Display (Readouts)
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]
- Additional Process Inputs: Density; Temperature
- Rates Displayed: Volumetric; Mass
- Media Type: Liquid; Gas/Steam
- Display Types: Digital Display (Readouts)
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]
- Additional Process Inputs: Density; Temperature
- Rates Displayed: Volumetric; Velocity; Mass; Totalizer
- Media Type: Liquid; Gas/Steam
- Display Types: Analog Meter or Indicator; Digital Display (Readouts); Computer
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]
- Additional Process Inputs: Density; Temperature
- Rates Displayed: Volumetric; Mass; Totalizer
- Media Type: Liquid; Gas/Steam
- 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]
- Additional Process Inputs: Density; Temperature
- Rates Displayed: Volumetric; Velocity; Mass; Totalizer
- Media Type: Liquid; Gas/Steam
- Display Types: 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]
- Additional Process Inputs: Density; Temperature
- Rates Displayed: Volumetric; Velocity; 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]
- Additional Process Inputs: Density; Temperature
- Rates Displayed: Volumetric; Velocity; 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]
- Additional Process Inputs: Density; Temperature
- Rates Displayed: Volumetric; Velocity; Mass; Totalizer
- Media Type: Liquid; Gas/Steam
- Display Types: Analog Meter or Indicator; Digital Display (Readouts); Computer