Fluidwell Flow Computers

The product group “Flow Computers” offers a unique range of comprehensive solutions to calculate the consumption and net flow at standard conditions or the ratio between two flows. Typical applications are found on board of ships to calculate the fuel consumption, gas flow calculation in power plants and the monitoring of two component blending.

The functionality of these products is based on the F1-Series hardware platform as multiple inputs are required for flow, temperature and pressure measurement.

All models are available for both safe area and hazardous area applications. Moreover, wireless data re-transmission and remote flow rate / totalizer monitoring is offered with the Process Monitor products and services.

Process Monitor (former Level Monitor) provides logistic supply chain optimization for raw bulk gases, liquids and solids stored in tanks/silos with safe, web-based remote monitoring solutions for the (process) industry (a.k.a. Remote Tank and Silo Monitoring, Remote Inventory Management and VMI (Vendor Managed Inventory)). Process Monitor completely integrates,manages and controls the whole chain of hardware, software, maintenance and services with its autonomous solutions and infrastructure to guarantee you a reliability of 99.99%

For an explanation of the various options such as analog and pulse output signals, communication, power supply and enclosures, please read the section detailing the F-Series products.

Functional overview

The following features are available in the advanced flow computer models range. A more detailed description of each flow computer and it’s typical features can be found in the products datasheet.

• ratio (A/B) – model F114
• sum (A+B) – model F116
• differential / consumption (A-B) – model F116
• differential / consumption (A-B) with temperature compensation – model F127
• liquid volume calculation with temperature compensation – model F126-EL
• gas volume calculation with temperature and pressure compensation – model F126-EG

Easy and multi-applicable

The F-Series is outstanding user-friendly. Configure with a simple, logical menu-driven structure, instead of with difficult hardware changes or actions. With alphanumerical descriptions of each setting instead of confusing abbreviations and difficult codes. Once familiar with an F-Series product, you can program ALL models in ALL series without need for a manual: Know one, know them all! Save on programming costs and time with Fluidwell, each time you modify product settings.

Signal input type

For the flow computers, four basic signal input types are available :

• Pulse signals for flow measurement: sine wave (coil) low sensitivity (80mVp-p), sine wave high sensitivity (20mVp-p), Namur, NPN, PNP, reed-switch or active pulses. For most signals a low pass filter can be enabled to ignore pulse bounce. The sine wave input can even be supplied with 10mV or 5mVp-p sensitivity (option ZF and ZG).
• Analog signal (0)4 – 20mA for flow, temperature and pressure measurement. The input signal can be tuned within this range (e.g. from 4.0mA to 10.0mA). To avoid incorrect signal processing at minimum signal, a low cut-off filter is available.
• Analog signal: 0 – 10V DC for only a few models. The input signal can be tuned within this range (e.g. from 2.0 to 5.0V DC). A low cut-off filter is available here too, to avoid signal processing at minimum signal.
• PT100 signal for temperature measurement.

Data protection

All settings and totals are stored in EEPROM memory ensuring that no information is lost in the event of power failure or battery exchange.

To reset total, the CLEAR key must be pressed twice to avoid undesired initialization. Accumulated total cannot be reset to zero. The configuration menu and alarm values can be password protected to prevent unauthorized access.

Flow Computers with linearization

• F016  Field mount 
• Flow rate indicator / totalizer with linearization and pulse output 
• 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 and operation of the F116. The pulse and analog outputs reflect the calculated differential or sum value. On-screen engineering units are easily configured from a comprehensive selection. A wide range of options further enhance this model capabilities, including Intrinsic Safety and full Modbus communication. 
• F018 Field mount
• Flow rate monitor / totalizer with linearization, pulse/alarm and analog outputs and HART communication
• 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 with specific DD allows you to communicate in an easy way with other smart field devices and control / monitoring systems.
• F112 Field mount
• Flow rate indicator / totalizer with linearization, analog and pulse outputs 
• The F112 provide very precise linearization of the flow meters signal. In addition to the average K-Factor or Span, fifteen linearization points can be entered with there frequencies or values. The unit will interpolate between these points greatly enhancing accuracy in any flowrange. Even for very low frequency applications is catered for. This linearization effects all displayed information as well as the signal outputs. A wide selection of options further enhances the capabilities of this model, which includes Intrinsic Safety and full Modbus communication.
• F118  Field mount
• Flow rate monitor / totalizer with linearization, high / low alarms, analog and pulse outputs
• The F118 provides very precise linearization of the flowmeters signal. In addition to the average K-Factor or Span, ten linearization points can be entered. The unit will interpolate between these points greatly enhancing accuracy in any flowrange. Moreover, continous flow rate monitoring feature is available with low and high flow rate alarm values. A wide selection of options further enhances the capabilities of this model.
• D016  DIN Panel mount
• Flow rate indicator / totalizer with linearization and pulse signal output
• The D016 is a loca,l panel mount indicator with linearization to display the actual flow rate, total and accumulated total. The total can be reset to zero by pressing the CLEAR button twice. The eleven digit accumulated total however can not be reset to zero. In addition to the average K-Factor or Span, eight linearization points can be entered with there frequencies or values. The unit will interpolate between these points greatly enhancing accuracy in any flowrange. Even for very low frequency applications is catered for. This linearization affects all displayed information as well as the pulse output. 
• E018 Explosion proof
• Flow rate monitor / totalizer with linearization, high / low alarms, analog and pulse signal outputs and HART Communication
• The E018 is one of the top models in our range of explosion proof flow computers. The E-series distinguishes itself by its quality and functionality driven European design and manufacturing. It is more than fulfilling the rules for explosion proof design, it is about safety during the daily operation. Often, the environment is much tougher than the explosion proof requirements demand. Thus dangerous conditions may be experienced due to a broken enclosure or a poorly made flame path. Ruggedness and reliability is where Fluidwell stands for and it is now available in a comprehensive well designed and purpose driven explosion proof flow monitor / totalizer. 
• E112  Explosion proof 
• Flow rate indicator / totalizer with linearization, analog and pulse outputs
• The E112 is a popular model in our range of explosion proof flow rate indicators. The E-series distinguishes itself by its quality and functionality driven European design and manufacturing. It is more than fulfilling the rules for explosion proof design, it is about safety during the daily operation. Often, the environment is much tougher than the explosion proof requirements demand. Thus dangerous conditions may be experienced due to a broken enclosure or a poorly made flame path. Ruggedness and reliability is where Fluidwell stands for and it is now available in a comprehensive well designed and purpose driven explosion proof flow rate indicator / totalizer. 

Advanced Flow Computers

• F126-EL Field mount
• Flow computer with temperature compensation for corrected liquid volume
• The F126-EL flow computer has been developed to calculate corrected liquid volume at normal conditions. The corrected volumetric flow is calculated by measuring the uncorrected volumetric flow and actual line temperature which is processed with the thermal expansion coefficient algorithm stored in the flow computer. The reference temperature can be defined as desired (e.g. 15°C, 20°C or 60°F). The display shows the compensated flow rate, total, accumulated total and the actual line temperature. A wide range of options further enhance this model capabilities, including Intrinsic Safety and full Modbus communication.
• F126-EG Field mount
• Flow computer with temperature and pressure compensation for corrected gas volume
• 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 compressibility factor can be set to approach a real gas behavior. The reference conditions can be defined as desired (e.g. 15°C, 60°F or 1.013 bar). The display shows the compensated flow rate, total, accumulated total and the actual line temperature and pressure. A wide range of options further enhance this model capabilities, including Intrinsic Safety and full Modbus communication.
• F127 Field mount
• Differential flow computer with temperature compensation for corrected liquid volume
• The F127-EL 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 coefficient algorithm stored in the flow computer. The reference temperature can be defined as desired (e.g. 15°C, 20°C or 60°F). 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 and operation of the F127.
• F114 Field mount
• Ratio monitor / totalizer with high / low alarms and analog outputs
• The F114 flow computer calculates the actual ratio between two separate flows. It offers the ability to set one low ratio and one high ratio alarm value. Special precautions are taken to allow start-up problems and incorrect ratio readings for a certain period of time. Based on the location of the flowmeters, a selection can be made out of six different formulas. The display shows the ratio, alarm values, flow rate A, total A and flow rate B, total B. On-screen engineering units are easily configured from a comprehensive selection. The ratio can be displayed as a percentage or as a ratio. A wide range of options further enhance this model capabilities, including Intrinsic Safety and full Modbus communication.
• F116 Field mount
• Differential / sum flow computer with analog and pulse outputs
• The flowcomputer Model F116 has been developed to calculate differential or total volume. Typical applications are the measurement of fuel consumption or the calculation of total flow (sum) if - for costs reasons - two low cost flow meters can be used instead of one expensive flow meter. 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 and operation of the F116.