wtw TresCon UNO A111, Operating Manual

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Overview TresCon UNO
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Features TresCon UNO combines the proven features of the WTW analyzers
with the additional new developments:

AutoThermControl: Temperature control of the analyzer module.

AutoFlowControl: Pressure measurement for the identification of
clogging, leakage and levels of reagents.

AutoClean system: Self cleaning.

AutoCal system: Automatic calibration.

AutoRead system: Automatic evaluation of the measured values
when measuring absorbance.

AutoAdapt system: Minimum reagent consumption by automatically
adapting the measuring intervals to any change in concentration.

Maintenance: User guidance for service activities via display texts
and inputs (interactive menu guidance). TresCon UNO provides
information on the maintenance activities that are due.

Controller functions for the regulated phosphate precipitation or
denitrification and nitrification:
– P, PI, PD, PID controller of the mA outputs,
– Frequency controller or pulse-width controller of the relay out-
puts.