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FLXA 202


The model FLXA 202 2-Wire Analyzer, one model of FLEXA® series, offers single or dual sensor measurement. The modular-designed analyzer offers 4 kinds of measurements – pH/ORP (oxidation-reduction potential), contacting conductivity (SC), inductive conductivity (ISC) or dissolved oxygen (DO) – with the respective sensor module. For dual sensor measurement, the combination of two same type sensor inputs – pH/ORP and pH/ORP (analog sensor only), SC and SC, and DO and DO –are available with two sensor modules. Dual sensor measurement offers additional functionalities; calculated data function and redundant system. Variety of calculated data from two measuring parameters is selectable for each measurement. On the redundant system built on two measuring parameters of two sensor inputs, the main output parameter is automatically switched over to the second sensor output in case of the main sensor’s failure condition. Addition to conventional analog pH/ORP sensors, the analyzer FLXA202 can be connected to Yokogawa’s digital sensor, FU20F / FU24F / SC25F Digital pH/ORP SENCOM® Sensor.

In the FLXA202 Human Machine Interface (HMI), 2-wire type analyzer FLXA202 offers easy touch screen operation and simple menu structure in 12 languages. Menus of display, execution and setting are displayed in a selected language. The analyzer FLXA202 automatically recognizes the installed sensor module and prepares the necessary menus for right configuration, even for dual sensor measurement. For immediate measurement, the FLXA202 offers quick setup functionality. The quick setup screen appears when the analyzer is powered. Only a few setups – date/time, language, basic sensor configurations and output – will start the measurement.

The FLXA202 offers the best accuracy in measurement with temperature compensation functionality and calibration functionality. Sensor diagnostics and sensor wellness indication make measurement reliable. Logbook of events and diagnostic data is a useful information source for maintenance.

For the wide range of industrial environment, the FLXA202 is designed with the enclosure of aluminum alloy cast with corrosion-resistant coating.


• 4 kinds of measurements; pH/ORP, SC, ISC and DO

• Dual sensor measurement on 2-wire type analyzer;

pH/ORP and pH/ORP, SC and SC, and DO and DO

• Calculated data from dual sensor measurement

• Redundant system on dual sensor measurement

• Connection of FU20F / FU24F / SC25F Digital pH/


• Easy touch screen operation on 2-wire type analyzer

• Simple HMI menu structure in 12 languages

• Quick setup menu for immediate measurement

• Indication of sensor wellness

• Enclosure – aluminum alloy cast

To learn more about FLXA 202 and other pH Analyzers offered at BBP, click here.

Additional information


Chemical, Engineering, Food & Beverage, Oil & Gas, Pharmaceutical, Power Generation, Pulp & Paper, Refining, Water & Wastewater