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  • Leitfähigkeits-Feldmessumformer LF 298 - WTW
  • Leitfähigkeits-Feldmessumformer LF 298 - WTW
  • Leitfähigkeits-Feldmessumformer LF 298 - WTW

Conductivity field monitor LF 298 - WTW

  • SKU: 391230
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  • Description
    Analog controller to measure conductivity
    User-friendly, analog field monitor - suitable for numerous conductivity measuring cells due to different measuring ranges and cell constants:
    •For versatile applications with 7 selectabel measuring ranges
    •connection of different measuring cells possible
    •User-friendly operation thanks to clear menu structure
    The LF 298 is an economical and metrologically flexible solution for use in the field. Galvanically isolated outputs are just as much standard as a complete function monitoring of the monitor and the connected sensor.
  • Specifications

    Model

    pH 298

    Oxi 298

    LF 298

    Cl 298

    Order No.

    191230, 191232, 191234

    291230, 291234

    391230, 391234

    801254

    *) Please note: The permitted operating voltage of the sensor can vary considerably

    Parameter

    pH/ORP

    Oxygen

    Conductivity

    Chlorine, elektrochemical

    Measuring Range

    -2 … 16 pH
    -2000 … +2000 mV

    0 … 20 mg/l
    0 … 200 %

    0 … 500 mS/cm, different measuring ranges adjustabel

    0 … 2 mg/l

    Temperature Measurement *)

    -10 … 130 °C
    NTC or Pt1000
    or Pt100

    -10 … 130 °C
    NTC or Pt1000

    -10 … 130 °C
    Pt1000

    Temperature Compensation

    Automatically via temperature measurement in the sensor or via manual input

    Relays

    2 x switching contacts, change-over, max. 250 VAC / 5 A

    Current Outputs

    2 x 0(4) … 20 mA

    Digital Interface

    Modbus / RS485

    USB (for configuration, calibration, data recording)

    Display

    OLED (128 x 64 pixel) with plain text menue

    Data Logger

    Integrated with real time clock for 4000 datasets, storable via USB, grafical display

    Electric Supply

    100 … 240 V AC or 18 … 36 V DC

    Ambient Conditions

    Operational temperature: -10 … 55 °C

    Housing Material

    Cast Aluminium for wall mounting

    Protection Rating

    IP 65

    Weight

    2 kg

    Warranty

    2 years

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