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Application
l Long- term monitering and limit value monitoring of processes with stable process conditons
Ø Chemaical industry: strong acids/bases, plastic, pulp and paper industry
Ø Power plant(e.g. flue gas cleaning), oil and gas
Ø Incinerator plants
l Water/ wastwater treatment
Ø Boiler feedwater and cooling water
Ø Well water and drinking water
Ø All industrial and municipal treatment plants
l With ATEX, IECEx, FM, CSA TIIS and NEPSI approval for use in hazardous areas
Your benefits
• Low-maintenance and robust thanks to large PTFE ring junction
• Can be used at pressures up to 17 bar abs. (246 psi)
• Process glass also for very alkaline applications (BA and BT versions)
• Process glass for applications in media containing hydrofluoric acid (FA version)
• For media with low conductivity (AS version)
• Integrated NTC30K temperature sensor (Memosens) for effective temperature
compensation; Pt100 or Pt1000 for analog sensors
• Optional: Poison-resistant reference with ion trap
Other advantages of Memosens technology
• Maximum process safety
• Data security thanks to digital data transmission
• Very easy to use as sensor data saved in the sensor
• Recording of sensor load data in the sensor enables predictive maintenance with the Memobase Plus CYZ71D
Function and system design
Measuring system
A complete measuring system comprises at least the following components:
• pH electrode CPS11D or CPS11
• Transmitter, e.g. Liquiline CM42, CM44x, Mycom S CPM153, Liquisys M CPM2x3
• Memosens data cable CYK10 for Memosens sensors or CPK9 for analog sensors
• Immersion, flow or retractable assembly, e.g. Cleanfit CPA871
Depandability
Reliability: Easy handling
Sensors with Memosens technology have an integrated electronics unit that stores calibration data
and other information (e.g. total operating hours and operating hours under extreme measuring
conditions). once the sensor has been connected, the sensor data are transferred automatically to
the transmitter and used to calculate the current measured value. As the calibration data are stored
in the sensor, the sensor can be calibrated and adjusted independently of the measuring point. The
result:
• Easy calibration in the measuring lab under optimum external conditions increases the quality of
the calibration.
• Pre-calibrated sensors can be replaced quickly and easily, resulting in a dramatic increase in the
availability of the measuring point .
• Maintenance intervals can be defined based on all stored sensor load and calibration data and
predictive maintenance is possible.
• The sensor history can be documented using external storage media and evaluation programs, e.g.
Memobase Plus CYZ71D. Thus, the current application of the sensors can be made to depend on
their previous history
Integrity: Data security thanks to digital data transmission
Memosens technology digitizes the measured values in the sensor and transmits the data to the
transmitter using a non-contact connection that is free from potential interference. The result:
• Automatic error message if sensor fails or connection between sensor and transmitter is
interrupted
• Immediate error detection increases measuring point availability
Safety: Maximum process safety
With inductive transmission of the measured value using a non-contact connection, Memosens
guarantees maximum process safety and offers the following benefits:
• All problems caused by moisture are eliminated:
– Plug-in connection free from corrosion
– Measured values cannot be distorted by moisture.
– Can even be connected under water
• The transmitter is galvanically decoupled from the medium. Issues concerning "symmetrical high
impedance" or "asymmetry" or an impedance converter are a thing of the past.
• EMC safety is guaranteed by screening measures for the digital transmission of measured values.
• Intrinsically safe electronics mean operation in hazardous areas is not a problem.
