Alarm Flow Computers, Totalizers, and Indicators
Description
Alarm flow computers, totalizers, and indicators are devices used to monitor and measure the flow of liquids and gases. They provide critical data by accumulating flow counts, displaying flow rates, and triggering alarms when preset conditions are met. These devices are essential for ensuring accurate flow measurement and control in various industrial processes.
Working Principle
Flow computers, totalizers, and indicators operate by receiving input signals from flow sensors, which can include differential pressure meters, true mass flow meters, and velocity meters. These inputs are processed to calculate flow rates and totalize the volume of fluid passing through a system. The devices can output data in various forms, such as analog voltage, analog current, or frequency (pulse), and can also trigger alarms based on preset conditions. This functionality is crucial for maintaining process control and safety in industrial environments.
Applications
These devices 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 on oil rigs and pipelines. In chemical plants, flow computers are used for ratio controlling, while batch controllers are utilized in the food industry to ensure precise ingredient mixing.
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 as standalone devices without the need for external power. This makes them particularly suitable for harsh and remote environments, such as arid oil wells, where infrastructure is limited. Additionally, these devices are designed to withstand extreme temperatures and conditions, providing reliable performance in challenging settings.
Limitations
A potential limitation of these devices is their dependency on the accuracy and reliability of the input signals from flow sensors. Any inaccuracies in sensor data can lead to errors in flow measurement and totalization. Furthermore, the complexity of installation and calibration may require specialized knowledge and skills, which can be a barrier for some users.
Considerations
When selecting and implementing alarm flow computers, totalizers, and indicators, several factors should be considered. Initial costs can vary significantly depending on the complexity and features of the device. Operating expenses may include maintenance and calibration costs, which are necessary to ensure accuracy and reliability. Durability is a critical factor, especially in harsh environments, where robust construction is essential. Accuracy is paramount, as even small errors can lead to significant discrepancies in flow measurement. Replacement and maintenance costs should also be factored into the overall cost of ownership, as regular servicing may be required to maintain optimal performance.
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]
- Features: Alarm; Programmable
- Rates Displayed: Volumetric; Mass; Totalizer
- Media Type: Liquid; Gas/Steam
- Display Types: Digital Display (Readouts)
from Hoffer Flow Controls, Inc.
General Description. ACE II incorporates the newest technological advances in electronics and the time proven solutions in cryogenic measurements from the Hoffer ACE system. Graphical display and “soft keys ” allows for easy interaction between operator and the instrument. Multiple, easy... [See More]
- Features: Alarm; Programmable
- Rates Displayed: Volumetric; Totalizer
- Media Type: Liquid
- 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]
- Features: Alarm; Programmable; Recorder
- Rates Displayed: Volumetric
- Media Type: Liquid; Gas/Steam
- 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]
- Features: Alarm; Programmable
- 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]
- Features: Alarm; Controller; Programmable; Recorder
- Rates Displayed: Volumetric; Velocity; Mass; Totalizer
- Media Type: Liquid; Gas/Steam
- Display Types: Analog Meter or Indicator; Digital Display (Readouts); Computer
from AW Company
Fully automatic, audible alarm, NEMA 12 and 13 rating [See More]
- Features: Alarm; Programmable
- Rates Displayed: Volumetric
- Media Type: Liquid
- Display Types: Digital Display (Readouts)
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]
- Features: Alarm
- Rates Displayed: Velocity
- Media Type: Gas/Steam
- Display Types: Digital Display (Readouts)
from Siemens Process Instrumentation
The Milltronics SF500 integrator operates with any solids flow meter with up to two strain gauge load cells or LVDT sensor. The Milltronics SF500 integrator processes sensor signals for accurate flow rate and totalized weight of bulk solids. It can take on lower level control functions traditionally... [See More]
- Features: Alarm
- 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]
- Features: Alarm; Controller; Programmable; Recorder (optional feature)
- Rates Displayed: Volumetric; Mass; Totalizer
- Media Type: Gas/Steam
- Display Types: Digital Display (Readouts)
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]
- Features: Alarm
- Rates Displayed: Mass
- Media Type: Liquid; Gas/Steam
- Display Types: Digital Display (Readouts)
from Fluidwell bv
The F018 is a local indicator with linearization, that displays the actual flow rate, resettable total and non-resettable accumulated total. The F-Series is known worldwide as a range of user-friendly indicators. The F018 is even more impressive. The HART communication allows you to communicate in... [See More]
- Features: Alarm; Programmable
- Rates Displayed: Volumetric; Mass; Totalizer
- Media Type: Liquid; Gas/Steam
- Display Types: Digital Display (Readouts)
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]
- Features: Alarm; Recorder
- Rates Displayed: Totalizer
- Media Type: 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]
- Features: Alarm; Controller; Programmable; Recorder
- Rates Displayed: Volumetric; Velocity; Mass; Totalizer
- Media Type: Liquid; Gas/Steam
- Display Types: Analog Meter or Indicator; Digital Display (Readouts); Computer
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]
- Features: Alarm; Controller; Programmable
- Rates Displayed: Totalizer
- Media Type: Liquid; Gas/Steam
- Display Types: Digital Display (Readouts)
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]
- Features: Alarm; Controller; Programmable
- Rates Displayed: Volumetric; Mass; Totalizer
- Media Type: Liquid; Gas/Steam
- Display Types: Digital Display (Readouts)
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]
- Features: Alarm
- Rates Displayed: Mass
- Media Type: Liquid; Gas/Steam
- Display Types: Digital Display (Readouts)
from Fluidwell bv
The F118 is a versatile flow rate indicator and totalizer with the ability to precisely linearize the flow meter signal. In addition to the average K-Factor or Span, ten linearization points can be entered with their frequencies or values. The unit will interpolate between these points, greatly... [See More]
- Features: Alarm; Programmable
- Rates Displayed: Volumetric; Mass; Totalizer
- Media Type: Liquid; Gas/Steam
- Display Types: Digital Display (Readouts)
from Hoffer Flow Controls, Inc.
Introduction: 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... [See More]
- Features: Alarm; Programmable
- Rates Displayed: Volumetric; 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]
- Features: Alarm; Controller; Programmable; Recorder
- Rates Displayed: Volumetric; Velocity; Mass; Totalizer
- Media Type: Liquid; Gas/Steam
- Display Types: Analog Meter or Indicator; Digital Display (Readouts); Computer
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]
- Features: Alarm
- Rates Displayed: Volumetric; Mass; Totalizer
- Media Type: Liquid
- Display Types: Digital Display (Readouts)
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]
- Features: Alarm
- Rates Displayed: Volumetric; Totalizer
- Media Type: Gas/Steam
- Display Types: Digital Display (Readouts)
from Fluidwell bv
The D013 is a versatile, panel mount flow rate indicator and totalizer with continous flow rate monitoring feature. It offers the facility to set one low flow rate and one high flow rate alarm value. If desired, a delay function can be set up to allow for an incorrect flow rate for a certain period... [See More]
- Features: Alarm; Programmable
- Rates Displayed: Volumetric; Mass; Totalizer
- Media Type: Liquid; Gas/Steam
- Display Types: Digital Display (Readouts)
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]
- Features: Alarm; Programmable
- 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]
- Features: Alarm; Controller; Programmable; Recorder
- Rates Displayed: Volumetric; Velocity; Mass; Totalizer
- Media Type: Liquid; Gas/Steam
- Display Types: Analog Meter or Indicator; Digital Display (Readouts); Computer