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F-Series: F118

Field mount - Flow rate monitor / totalizer

with linearization, high / low alarms, analog and pulse outputs

The F118 is a versatile flow rate indicator / transmitter and totalizer with the ability to precisely linearize the flowmeter 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 enhancing accuracy in any flow range, even for very low frequency applications. Moreover, a continuous flow rate monitoring feature is available with high and low flow rate alarm values and up to three alarm outputs. Flow rate and total are transmitted with an analog and scaled pulse output.
The display shows flow rate, total, accumulated total, alarm values, alarm messages and status. On-screen engineering units are easily configured from a comprehensive selection.

Advantages
  • Robust IP66, IP67 (NEMA Type4X) field enclosure. It is so rugged, you can even stand on it!
  • Intrinsically Safe available - ATEX and IECEx approval for gas and dust applications.
  • Programming can be done by your own crew, with the sensible menu-driven structure, saving cost and irritation. Know one, know them all!
  • Very diverse mounting possibilities: walls, pipes, panels or directly onto outdoor sensors.
Application overview F118

Features

  • Ten point linearization of the flow curve - with interpolation.
  • Flow rate monitoring: two alarm values can be set: low and high flow rate alarm.
  • Alarm values can be changed by the operator or they can be password protected.
  • Analog and pulse outputs.
  • Displays total and flow rate simultaneously.
  • Flow rate: seven 8mm (0.31") digits.
  • Total - resettable: seven 17mm (0.67") digits.
  • Accumulated total - not resettable: eleven 8mm (0.31") digits.
  • Separate engineering units for flow rate and total on the display.
  • Up to three configurable alarm or scaled pulse outputs.
  • Displays clear alarm messages.
  • LED backlight.
  • Auto backup of settings and running totals in EEPROM memory.
  • Ambient temperature: -40°C to +80°C (-40°F to 176°F).
  • Various accessories are available for this product.
  • The F-Series is so rugged, even a truck can stand on it!

Flowmeter Inputs

  • Pulse type inputs:
    Reed-switch, open collector, NAMUR, NPN/PNP pulse, Sine wave (coil), active pulse signal.
  • (0)4 – 20mA.
  • 0 – 10V DC.

Pulse Outputs

  • Function: Scaled pulse output according to linearized accumulated total (e.g. a pulse every 3.25 gallons).
    Max. frequency: 500Hz.
    Adjustable pulse length from 0.001 sec. to 9.999 seconds.
  • Type: Up to three passive NPN transistors, active PNP transistors or isolated electro-mechanical relays.

Alarm Outputs

  • Function: Configurable alarm outputs for low, high or both combined flow rate alarms.
  • Type: Up to three passive NPN transistors, active PNP transistors or isolated electro-mechanical relays.

Analog Outputs

  • Function: Re-transmitting the linearized flow rate - 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.

Applications

  • The F-Series is your first and best choice for field mount indicators in safe and hazardous area applications. Especially in harsh weather conditions like rain, snow, salty atmospheres and temperatures between -40°C up to +80°C (-40°F up to 176°F).
  • Liquid flow measurement with mechanic flowmeters where a precise calculation over the full measurement range and continuous flow rate monitoring is required.
    Alternative basic models: F016, F112 or the D-Series basic DIN panel mount indicators.

Power Supply

  • Long life Lithium battery.
  • 4 – 20mA Loop-powered.
  • 8 – 24V AC/DC.
  • 115 – 230V AC.
  • Basic: 8 - 30V DC.

Sensor Supply

  • 3.2, 8.2, 12, 24V DC.

Intrinsically Safe

  • ATEX:
    II 1 G Ex ia IIB/IIC T4 Ga
    II 1 D Ex ia IIIC T100 °C Da
  • IECEx:
    Ex ia IIC/IIB T4 Ga
    Ex ia IIIC T100 °C Da

Explosion Proof

  • ATEX:
    II 2 G / Ex d IIB T5 Gb
    II 2 D / Ex t IIIB T100°C Db

Communication
Function: All process data and settings can be read and modified through the communication link.
Protocol: Modbus RTU.
Interface: RS232 / RS485 2-wire or 4-wire / TTL.
– HART communication is available with the F018 Flow rate Monitor / Totalizer.

LCD example F118
Photo F118