Network / Fieldbus Flow Transmitters
Last Updated: April 1, 2025
Description
Network/Fieldbus flow transmitters are devices designed to measure the flow rate of gases or liquids in a system. They provide critical data on flow rates, totalized flow, and other diagnostics, which are essential for monitoring and controlling industrial processes. These transmitters are equipped with digital communication capabilities, allowing them to integrate seamlessly into various industrial network protocols such as PROFIBUS, HART, Foundation Fieldbus, or Modbus.
Working Principle
Network/Fieldbus flow transmitters operate based on the principle of thermal dispersion. They utilize temperature sensing elements and a heating current to measure the mass flow rate of a fluid. The transmitter processes inputs from these sensors and converts them into linear outputs that represent the flow rate. The digital transmitters often include additional functionalities such as diagnostics, validation, and calibration adjustments, making them highly useful for ensuring accurate and reliable flow measurements in complex industrial environments.
Applications
Network/Fieldbus flow transmitters are used in a variety of industrial applications. For example, they are employed in refineries to optimize boiler air feed for sulfur recovery units, ensuring efficient operation and compliance with environmental regulations. They are also used in wastewater treatment plants to measure methane-based digester gas flow, providing maintenance-free service in wet, dirty biogas applications due to their robust design and lack of moving parts.
Advantages over other Flow Transmitters
One of the key advantages of Network/Fieldbus flow transmitters is their ability to support multiple communication protocols, such as PROFIBUS, HART, and Modbus, which allows for easy integration into existing industrial networks. Additionally, their digital displays provide comprehensive data, including flow rate and diagnostics, which can be easily accessed and interpreted by technicians. The ability to perform split-range calibrations and dual-element systems for improved accuracy in large pipe sizes further enhances their performance compared to traditional flow transmitters.
Limitations
Despite their advantages, Network/Fieldbus flow transmitters may face limitations in certain conditions. For instance, they might require specific environmental approvals for use in hazardous locations, which can limit their applicability in some industries. Additionally, the initial setup and configuration of these transmitters can be complex, requiring skilled personnel to ensure proper integration and operation.
Considerations
When considering the implementation of Network/Fieldbus flow transmitters, several factors should be taken into account. Initial costs can be high due to the advanced technology and communication capabilities of these devices. However, their durability and low maintenance requirements can offset these costs over time. Operating expenses are generally low, as the transmitters provide reliable and accurate measurements with minimal intervention. It is also important to consider the accuracy requirements of the specific application, as well as the potential need for periodic calibration and maintenance to ensure optimal performance.
from Sierra Instruments, Inc.
Sierra was the first to introduce multivariable mass vortex flow meters to the market in the late 1990s with the InnovaMass "S-Series" product line-the 240S and 241S. The InnovaMass 241S inline version is a true workhorse in applications ranging from large pipes and ducts, to high pressure and... [See More]
- Interface Options: Serial/Digital; Network/Fieldbus; BACnet Communications, HART, Modbus,, RS-485
- Display: Digital (optional feature)
- Electrical Output: Current; Switch
- Front Panel Interface: Digital Front Panel (optional feature)
from ABB Measurement & Analytics
Keep the existing Sensor and connect to new FET680 Upgrade Transmitter enabling for most. recent Features and Functionality without the Need for shutting down you process. Continue & extend the Longevity of the Sensor without huge investment. Take advantage of Ethernet, ProfiNet, Modbus... [See More]
- Interface Options: Network/Fieldbus; HART, PROFIBUS DP
- Display: Digital
- Electrical Output: Current
- Front Panel Interface: Digital Front Panel
from Fluid Components Intl. (FCI)
Mass Flow Meter Summary. The MT100 Series is an insertion type, multipoint thermal flow meter specifically designed for large diameter pipes, such as stacks and flues, and large rectangular ducts, such as air feed intakes and HVAC. These large pipe/duct applications are difficult for ordinary flow... [See More]
- Interface Options: Serial/Digital; Network/Fieldbus
- Front Panel Interface: Digital Front Panel
- Electrical Output: Current; Switch; Voltage
- Meter Type: Mass Flow Meter
from Panametrics
The Parametric DigitalFlow XGM868i is a general purpose gas flow meter that offers a rugged transducer, weatherproofing, and is approved for use in hazardous environments. The XGM868i is accurate over a wide range of flows and compositions such as dirty flow streams and all gases. This gas flow... [See More]
- Interface Options: Serial/Digital; Network/Fieldbus
- Display: Digital (optional feature)
- Electrical Output: Current; Frequency (optional feature); Switch (optional feature)
- Front Panel Interface: Digital Front Panel
from Sierra Instruments, Inc.
Low Pressure Drop Flow Meters. SmartTrak 140 low pressure drop flow meters offers precision gas mass flow control of expensive process gases, where minimal pressure drop is a key consideration for cost savings and efficiency, the SmartTrak ® 140 low pressure drop flow meter controls up to 500... [See More]
- Interface Options: Serial/Digital (optional feature); Network/Fieldbus; RS-232, RS-485 (optional), Profibus DP, Modbus, Foundation Fieldbus
- Display: Digital (optional feature)
- Electrical Output: Current; Switch; Voltage
- Front Panel Interface: Digital Front Panel (optional feature)
from Panametrics
The PanaFlow XMT1000 is an ultrasonic flow transmitter for liquids that can be installed right at the process measurement point, providing users with an accurate and reliable flow measurement. The XMT1000 is certified for hazardous installations, such as petrochemical and chemical processing, and... [See More]
- Interface Options: Serial/Digital; Network/Fieldbus
- Display: Digital
- Electrical Output: Current; Frequency
- Front Panel Interface: Digital Front Panel
from Sierra Instruments, Inc.
Sierra was the first to introduce multivariable mass vortex flow meters to the market in the late 1990s with the InnovaMass "S-Series" product line--the 240S and 241S. The InnovaMass 240S inline version is a true workhorse in applications ranging from large pipes and ducts, to high pressure and... [See More]
- Interface Options: Serial/Digital; Network/Fieldbus; BACnet Communications, HART, Modbus,, RS-485
- Display: Digital (optional feature)
- Electrical Output: Current; Switch
- Front Panel Interface: Digital Front Panel (optional feature)
from FLEXIM AMERICAS Corp.
The ultrasonic flow meter FLUXUS ® ADM 8127 has been specifically designed for Offshore and Mining applications. The ADM 8127 flow meter's housing is made entirely of Stainless Steel. It is permanently seawater and seaspray-proof and ATEX approved for use in explosive hazard zones 1 and 2. All... [See More]
- Interface Options: Serial/Digital; Network/Fieldbus
- Meter Technology: Velocity; Ultrasonic
- Electrical Output: Current; Voltage
- Process Media Type: Liquid
from E+E Elektronik
The EE741 in-line flow meter can be easily adapted for any measuring task. It is dedicated for accurate metering and monitoring of compressed air and technical gases in DN 15 to DN50 pipes. The thermal measuring principle and the well proven E+E hot film sensor element lead to best long-term... [See More]
- Interface Options: Serial/Digital; Network/Fieldbus
- Display: Digital
- Electrical Output: Current; Frequency; Switch
- Front Panel Interface: Digital Front Panel; Computer Controllable
from Brooks Instrument
Achieve superior accuracy and unmatched zero stability in ultra-low-flow gas and liquid measurement and control with the Quantim ® Coriolis mass flow controllers and meters from Brooks Instrument. Brooks has taken the lead in driving improvements in Coriolis flow technology: Our patented... [See More]
- Interface Options: Network/Fieldbus
- Meter Type: Mass Flow Meter
- Electrical Output: Current; Voltage
- Meter Technology: Mass; Coriolis
![ES-FLOW Ultrasonic Flow Meter [4 .. 1500 ml/min] -- ES-FLOW ES-103I - Image](https://partimages.globalspec.com/31/1731/4591731_medium.png "ES-FLOW Ultrasonic Flow Meter [4 .. 1500 ml/min] -- ES-FLOW ES-103I - Image")
from Bronkhorst USA
ES-FLOW ™ series Low-Flow Ultrasonic Liquid Flow Meters / Controllers. General. ES-FLOW are Volumetric Liquid Flow Meters/Controllers for very low flowranges. The instruments operate on a innovative measuring principle, usingultrasound in a very small, straight tube. A wide range of liquids... [See More]
- Interface Options: Serial/Digital; Network/Fieldbus
- Display: Digital
- Electrical Output: Current; Frequency; Voltage
- Front Panel Interface: Digital Front Panel; Computer Controllable
from FLEXIM AMERICAS Corp.
The permanent Gas flow meter G709 - The Rack Version. The FLUXUS ® G709 gas flow meter is designed for permanent installation in 19" rack systems, with 2 flow channels and a flexible configuration of various inputs and outputs. Internally identical to the G704 stationary gas flow meter, its... [See More]
- Interface Options: Serial/Digital; Network/Fieldbus
- Display: Digital
- Electrical Output: Current; Frequency; Voltage
- Front Panel Interface: Digital Front Panel
from E+E Elektronik
The EE771 is a thermal mass flow meter for compressed air and gases. Irrespective of pressure and temperature, the EE771 flow meter registers mass flow, volumetric flow or standard flow. The flow meter can measure the consumption of compressed air, nitrogen, oxygen, CO2, argon or other non-corrosive... [See More]
- Interface Options: Serial/Digital; Network/Fieldbus
- Display: Digital
- Electrical Output: Current; Frequency; Switch; Voltage
- Front Panel Interface: Digital Front Panel
from Brooks Instrument
Multiple gases in one device equals maximum process flexibility and productivity. The GF40 Series elastomer sealed mass flow controllers and meters with Brooks Instrument ’s exclusive MultiFlo ™ technology provide the perfect choice for systems, processes and facilities that use a... [See More]
- Interface Options: Serial/Digital; Network/Fieldbus
- Meter Type: Mass Flow Meter
- Electrical Output: Current; Voltage
- Meter Technology: Mass; Thermal
from Bronkhorst USA
HIGH PRESSURE / High ΔP Digital GAS Mass Flow Meters & Controllers. For applications with high (differential) pressure Bronkhorst High-Tech offers a special range of EL-FLOW ® and IN-FLOW Series Thermal Mass Flow Meters and Controllers. Patented PN400/PN700 control valves can either be... [See More]
- Interface Options: Serial/Digital; Network/Fieldbus
- Display: Digital (optional feature)
- Electrical Output: Current; Voltage
- Front Panel Interface: Computer Controllable
from FLEXIM AMERICAS Corp.
Permanently installed and freely configurable. The FLUXUS ® G704 gas flow meter is designed for permanent installation in gas flow metering applications. Its non-intrusive measurement technology ensures a precise bi-directional, highly dynamic gas flow measurement. As all other FLUXUS flow... [See More]
- Interface Options: Serial/Digital; Network/Fieldbus
- Display: Digital
- Electrical Output: Current; Frequency; Voltage
- Front Panel Interface: Digital Front Panel
from E+E Elektronik
The EE772 is a thermal mass flow meter for compressed air and gases. Irrespective of pressure and temperature, the EE772 flow meter registers mass flow, volumetric flow or standard flow. The flow meter can be used effectively to measure the consumption of compressed air, nitrogen, CO2 or other... [See More]
- Interface Options: Serial/Digital; Network/Fieldbus
- Meter Type: Mass Flow Meter
- Electrical Output: Current; Frequency; Switch; Voltage
- Meter Technology: Mass; Thermal
from Brooks Instrument
Imagine choosing just one mass flow controller platform to handle fourteen different pressure or flow rates going into a single process. All while delivering the exact same, ultra-precise and repeatable output on the other side. That ’s the advanced simplicity you get with the SLA5800 Series... [See More]
- Interface Options: Serial/Digital; Network/Fieldbus
- Meter Type: Mass Flow Meter
- Electrical Output: Current; Voltage
- Meter Technology: Mass; Thermal
from Bronkhorst USA
HIGH PRESSURE / High ΔP Digital GAS Mass Flow Meters & Controllers. For applications with high (differential) pressure Bronkhorst High-Tech offers a special range of EL-FLOW ® and IN-FLOW Series Thermal Mass Flow Meters and Controllers. Patented PN400/PN700 control valves can either be... [See More]
- Interface Options: Serial/Digital; Network/Fieldbus
- Display: Digital (optional feature)
- Electrical Output: Current; Voltage
- Front Panel Interface: Computer Controllable