Conductivity field monitor LF 298

Overview Specifications Documentation & Tools ;
Overview

Overview

The WTW Conductivity Field Monitor LF 298 is an economical and flexible solution for use in the field. It comes with galvanically isolated outputs as standard.

Product Features

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

Specifications

Specifications
LF 298
Order No.
391230, 391234
Parameter
Conductivity
Measuring Range
0 … 500 mS/cm, different measuring ranges adjustabel
Temperature Measurement
-10 … 130 °C NTC or 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
Note
The permitted operating voltage of the sensor can vary considerably
Documentation & Tools

Documentation & Tools

Brochures

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