WTW LF 298 ANALOG CONDUCTIVITY MONITOR

WTW LF 298 Analog Conductivity Monitor User-friendly, analog field monitor - suitable for different conductivity measuring electrodes thanks to different measuring ranges and cell constants -For versatile applications with 7 selectable measuring ranges -Different measuring electrode connection possible -User-friendly operation thanks to the menu structure The LF 298 is an economical and metrologically flexible solution for use in the field. Thanks to the integrated lightning protection feature, the failure rate caused by secondary lightning effects is minimized. Galvanically isolated outputs are standard as well as full function monitoring of the monitor and connected sensor. Model Description LF 298 NTC Automatic current balancing (NTC), 2 current outputs with 230 VAC and conductivity field monitor with MODBUS interface LF 298 Pt1000 Like LF 298 but with Pt1000 Technical Specifications Connectable Measuring Cells 2 or 4 measuring cells Measuring Range 0 .. .2 µS/cm (2 electrode measuring cells); 0 ... 20 µS/cm (2 electrode measuring cells); 0 ... 200 µS/cm (2 electrode measuring cells); 0 ... 200 µS/cm (4 electrode measuring cells); 0 ... 2 mS/cm (4 electrode measuring cells); 0 ... 20 mS/cm (4 electrode measuring cells); 0 ... 500 mS/cm (4 electrode measuring cell) NTC, Pt100 or Pt1000 (integrated in the sensor) Temperature Compensation -10 °C to +130 °C Analog Outputs 2 x 0(4) … 20 mA 2 x Relays Housing Aluminum housing for wall mounting, IP 65 protection Dimensions 160 x 130 x 70 mm (WxHxD) Power Input 100 … 240 V AC or 18 … 36 V DC