• Precision Devices for the Rail Industry
    Reliable high-voltage and current measurement, high-precision energy metering, safe signal isolation
  • Memosens Academy
    Discover more about the value of Memosens
  • Maximum Performance in a Minimum of Space
    MemoRail with Modbus Interface
    Multiparameter measuring device in a 17.5 mm modular housing
  • ProLine | Interface Technology
    First-class high-precision products with protective separation
  • BasicLine | Interface Technology
    Optimized for standard applications
  • Process Analytics | Measurement by System
    From the sensor to the process analyzer
  • Portavo | Memosens Mobile
    Portables with Memosens technology

Measuring Modules, pH / ORP

Input modules for pH measurement with glass electrodes, ISFET and enamel sensors. Simultaneous measurement of pH values, ORP, and temperature.

  • Analog sensors and Memosens sensors
  • Sensocheck sensor monitoring for glass and reference electrode
  • Sensor monitor
  • Sensor wear monitor
  • Sensor load matrix
  • Sensor network diagram
  • ServiceScope: noise level monitoring of pH input
  • Adaptive cal timer
  • Timer for sensor check
  • Calimatic automatic calibration

Overview of pH / ORP Measuring Modules

PH 3400(X)-033
Module for measurement of pH/ORP values, double high-resistance input, e.g. for Pfaudler differential electrodes

PH 3400(X)-035
Module for measurement of pH/ORP values using standard sensors and digital ISM sensors

PHU 3400(X)-110
Module for control of Unical 9000 / Uniclean 900 for fully automated pH/ORP measurement using analog sensors

MS 3400(X)-160
Module for measurement of pH/ORP values using Memosens sensors, 1 channel

FIU 3400X-140 / FIU 3400-141
Module for measurement of pH/ORP values using Memosens sensors, 2 channels




Certificates / Approvals

GOST Approval  (en)

12566 |  Mess-System Protos 3400 (X)
Document No. DE.C.31.001.A NO. 42933 | 2011-06-16
PDF (file size 4.72 MB)

EU Declaration of Conformity (en)

12740 |  Protos 3400 S and 3400 C (Non Ex Devices / Modules)
Document-No. EU171115D | 2017-11-15
PDF (file size 1.79 MB)

EU Declaration of Conformity (en)

12745 |  Protos 3400 X S and 3400 X C (Ex Devices / Modules)
Document No. EU171115C | 2017-11-15
PDF (file size 1.97 MB)
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