Fluidwell F127 Safe area Differential Flow Computer | Net Fuel Consumption Monitor

The Fluidwell F127 Safe area Differential Flow Computer is designed to accurately calculate corrected differential liquid volume under normal conditions. By measuring uncorrected volumetric flow and actual line temperature in both the supply and return lines, this unit provides precise net fuel consumption data. It is the ideal solution for applications facing difficulties such as pulsating flows, very low consumption readings, and high ambient temperatures.

Description

The F127 flow computer utilizes a sophisticated thermal expansion coefficient algorithm to process signals from supply and return lines. Users can define the reference temperature as desired (e.g., 15°C, 20°C, or 60°F) to ensure standardized reporting. The device effectively tackles common challenges in fuel monitoring, including vibration and fluctuating flow rates, making it a staple for efficiency monitoring.

The display interface is designed for clarity and ease of use. It shows compensated consumption, flow rate, total, accumulated total, and actual line temperatures. Engineering units, such as Nm³, are easily configured from a comprehensive selection on the screen. The operational structure follows Fluidwell’s familiar “Know one, know them all” philosophy, which significantly reduces configuration time and cost.

For durability, the field enclosure is rated IP66, IP67, and NEMA Type4X. It is incredibly rugged—tested to withstand the weight of a truck standing on it—allowing for diverse mounting possibilities on walls, pipes, panels, or directly onto outdoor sensors.

Brand

Fluidwell

Fluidwell

By default, we offer an extensive portfolio. Products that can be easily adapted to your needs. Moreover, we like to think along and ahead to achieve the best solution for any application. We have just one goal in mind:

Your Success CountYou want to be on track continuously when it comes to quality, safety and yield. Moreover, you want to work with systems that guarantee maximum performance and uptime, even under extreme conditions. Fluidwell offers you the best, future-proof answers in the field of signal processing equipment.

Flow indicators, totalizers and computers are our core business. We have the profound knowledge and experience to develop products that perform, always. We develop beyond specs, intrinsically safe, and explosion proof... because we know what works best and what the requirements are to keep working over time.

Specifications

  • Signal Inputs
    • Flowmeter Inputs: Pulse type inputs including Reed-switch, NAMUR, NPN/PNP pulse, Sine wave (coil), and active pulse signal. Different pulse signal types are allowed for Input A and Input B.

    • Temperature Inputs: PT100 (2 or 3 wire PRTD sensor) or (0)4-20mA.

  • Signal Outputs
    • Pulse Outputs: One scaled pulse output according to differential or sum accumulated total (e.g., a pulse every 3.25 gallons) and one configurable pulse, negative or decreasing total output. Max frequency: 500Hz. Adjustable pulse length from 0.001 sec to 9.999 seconds.

    • Type: Two passive NPN transistors, active PNP transistors, or isolated electro-mechanical relays.

    • Analog Outputs: Function re-transmitting the compensated differential flow rate (consumption). The output can be scaled to any range (e.g., 200 L/min to 1200 L/min).

    • Type: One passive isolated, floating or loop-powered 4-20mA output or one active (0)4-20mA or 0-10V DC output.

  • Communication
    • Protocol: Modbus RTU.

    • Interface: RS232 / RS485 2-wire or 4-wire / TTL.

    • HART: Available with the F018 Flow rate Monitor / Totalizer.

  • Power Supply
    • Long-life Lithium battery.

    • 4-20mA Output loop-powered.

    • 8-24V AC/DC.

    • 115-230V AC.

    • Basic: 8-30V DC.

    • Sensor Supply: 3.2, 8.2, 12, 24V DC.

  • Hazardous Area Approvals
    • Intrinsically Safe (ATEX): Gas: II 1 G Ex ia IIB/IIC T4 Ga | Dust: II 1 D Ex ia IIIC T100 °C Da.
    • Intrinsically Safe (IECEx): Gas: Ex ia IIC/IIB T4 Ga | Dust: Ex ia IIIC T100 °C Da.
    • Explosion Proof (ATEX/IECEx): Gas: II 2 G Ex db IIB+H2 T5 Gb | Dust: II 2 D Ex tb IIIC T80°C Db.

Features

  • Comprehensive Display: Shows corrected consumption (flow rate), total, and accumulated total simultaneously.
  • Line Monitoring: Both supply and return lines display actual temperature and corrected flow rate.
  • Flexible Outputs: Analog output signal reflecting the corrected consumption or flow rate.
  • Digit Selection: Large digit options for flow rate or total, with 17mm (0.67″) or 8mm (0.31″) digits.
  • Totalizer Functions: Resettable total (7 digits) and non-resettable accumulated total (11 digits).
  • Backlight: Integrated LED backlight for visibility in low-light conditions.
  • Data Security: Auto backup of settings and running totals in EEPROM memory.
  • Rugged Construction: Available in GRP, Aluminum, or high-grade stainless steel 316L.
  • Temperature Range: Operates efficiently in ambient temperatures from -40°C to +70°C (-40°F to 158°F).

Applications

The Fluidwell F127 Safe area Differential Flow Computer is specifically engineered for:

  • Fuel Consumption Calculation: Ideal for net fuel consumption monitoring for diesel engines on board ships, locomotives, generators, or burners.
  • Thermal Correction: Critical for applications requiring volume correction due to thermal product expansion.
  • Field Mount Indicators: Suitable for both safe and hazardous area applications.
  • Harsh Environments: Designed to withstand extreme weather conditions including rain, snow, sandy deserts, salty atmospheres, and extreme temperatures.