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Conductivity transmitter
Liquisys CLM253

Conductivity transmitter Liquisys CLM253 ©Endress+Hauser

Compact field device for all industries

Liquisys CLM253 is a standard transmitter for all analog conductivity sensors. It improves your operational safety thanks to continuous plausibility, process and sensor checks. Select from numerous hardware and software modules, such as relays or fieldbus communication, to adapt it exactly to your measuring task. This modularity also allows you to upgrade the transmitter at any time. A simple menu and calibration make configuration and operation fast and easy.

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  • Reliable, robust and low-maintenance

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  • Designed for demanding applications

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Fundamental selection

Meet your basic measurement needs

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Lean selection

Handle your core processes easily

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Extended selection

Optimize your processes with innovative technologies

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Xpert selection

Master your most challenging applications

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Variable

  • Specs at a glance

    • Input

      One-channel transmitter

    • Output

      0/4-20mA, Hart, Profibus.

    • Ingres protection

      IP65

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  • Optional add-ons
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Individual configuration

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Additional components

  • Benefits

    • More operational safety: Continuous process check system, customized alarm configuration, calibration plausibility check.

    • Broad functionality: Conductivity, resistivity and concentration measurement, ultrapure water monitoring according to USP and EP.

    • ...

  • Field of application

    The Liquisys CLM253 transmitter works with all analog conductivity sensors in non-hazardous areas, for example in these industries and their utilities:

    • Chemicals

    • Food & Beverages

    • Life Sciences

    • Power & Energy

    • Water &Wastewater

    • Primaries & Metal

    ...

Features and specifications

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Details

  • Measuring principle

    Conductive

  • Application

    Water, waste water, process

  • Characteristic

    4-wire transmitter with a two-line display

  • Design

    Conductivity transmitter in a PC/ABS-field housing

  • Material

    PC/ABS

  • Dimension

    247x170x115 mm

  • Temperature sensor

    Display and current output

  • Ex certification

    No

  • Ingres protection

    IP65

  • Input

    One-channel transmitter

  • Output

    0/4-20mA, Hart, Profibus.

  • Additional certifications

    CSA Gen. Purpose.

Documents / Manuals / Software

Accessories / Spare parts

Nr
Order code
Specification
  • 410,420,46
  • 335
  • 330,340,45
  • 400
  • 430
  • 403
  • 470
    • Order code 50086842

      Post mounting kit for LIQUISYS

      for mounting the field-transmitters on horizontal or vertical pipes (max. diam. 60 mm). Material: stainless steel V2A

  • 310
  • 40
  • 60
  • 50
  • 70
  • 80
  • 90
    • Nr 90 Order code 51502502

      Kit CLM2X3 central module ProfibusDPkond

    • Nr 90 Order code 71134726

      Kit CLM2x3: Centralm. cond. PBDP;H/W2.1x

      Content: 1x Central module Profibus DP Module name: LSCP-DP qualifired from H/W 2.10

  • 290
    • Nr 290 Order code 71134732

      Kit CxM2x3: Relay mod. for PBDP; H/W2.1x

      Content: 1x Relay module Profibus DP 2x Relay, 1x Current input DP connection qualified from H/W 2.10

  • 40
  • 60
  • 50
  • 70
  • 80
  • 90
    • Nr 90 Order code 51502501

      Kit CLM2X3 central module Profibus DPind

    • Nr 90 Order code 71134727

      Kit CLM2x3: Centralm. ind. PBDP; H/W2.1x

      Content: 1x Central module Profibus DP Module name: LSCP-DP qulaifired from H/W 2.10

  • 240
  • 15
  • 20
    • Nr 20 Order code 51500318

      KIT CxM2x3 power supply 24 AC/DC

      KIT CxM2x3 power supply DC

  • 290
    • Nr 290 Order code 51511446

      KIT CXM2X3 relay mod. 2rel / CSA

      Upgrade of LIQUISYS-M basis version by 2 floating changeover contacts.

    • Order code 51500320

      Kit CXM2X3 Relaismod. 2rel

      Upgrade of LIQUISYS-M basis version by 2 floating changeover contacts.

  • 300
    • Nr 300 Order code 51500321

      Kit CXM2X3 Relaismodule 4rel

      Upgrade of LIQUISYS-M basic version by 4 floating changeover contacts.

    • Nr 300 Order code 51511447

      KIT CXM2X3 relay mod. 4rel / CSA

  • 40
    • Nr 40 Order code 51504304

      Kit CXM2X3 Relais Mod. 2rel.+I/CSA

      Upgrade of LIQUISYS-M basic version by 2 contacts and current input 4-20mA.

  • 45
    • Nr 45 Order code 51504305

      Kit CXM2X3 Relais Mod. 4Rel+I/CSA

      Upgrade of LIQUISYS-M basic version by 4 contacts and current input 4-20mA.

    • Order code 51500385

      Upgrade "Plus-Package" for LIQUISYS-M

      Upgrade of LIQUISYS-M basic version (parameter pH,Cond.,Tu,CL,O2 (WX to WS)) to S-version (plus-package). Serial number of instrument needed.

    • Order code 51500963

      Upgrade cleaning for LIQUISYS-M

      Upgrade of LIQUISYS-M basic version by cleaning functionality (Chemoclean) (serial number of instrument needed). If not yet installed, a 4-relay board must be ordered separately (51500321).

  • Predecessor

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    Cooling water directly from the Baltic Sea

    With the CUS52D, power plant operator KNG benefits from reduced maintenance costs due to reliable, stable measurement even under harsh conditions in salt water.

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    Monitoring Emulsion Polymerization Reactions

    Process optimization via reaction endpoint detection and control of kinetics

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    Semi-batch polymerization

    Monitoring and control of a semi-batch polymerization with Raman spectroscopy

  • real-time monitoring of critical parameters in fermentation processes real-time monitoring of critical parameters in fermentation processes

    Advanced bioprocess control

    From time consuming sample analysis to real-time monitoring of critical parameters in fermentation processes thanks to complete solutions from hardware to development and analytical services.

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    The automated phosphate monitoring with Liquiline System CA80PH helps the food company Pasfrost ensure the compliance with the strict limit values for its industrial wastewater.

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