Xylem YSI Alyza IQ NH4, Руководство по эксплуатации

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Technical data Alyza IQ NH4
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7.2 Application conditions
Suitability and
areas of
application
The Alyza IQ analyzer is designed for online measurements of the ammonium
concentration (NH4) in aqueous samples (e.g. in the effluents of waste water
treatment plants), and to control and regulate the elimination of ammonium in
waste water treatment plants.
Requirements of
the measuring
medium (by the
measuring unit)
The FM/PC can be used if the test sample meets the following requirements.
Requirements of
the test sample
(by the filtration
system)
Temperature +4 … +45 °C (+39 … +113°F)
pH value 5…9
Solids contents 0 (max. particle size: 0.45 µm)
Bacteria 0 (as far as possible, free from bacteria)
Air bubbles 0 (as far as possible, free from air bubbles)
Required flow rate Volume surge of the sample in the overflow vessel: < 1
ml/surge or,
with quasi continuous supply:
Volume flow of the sample in the overflow vessel:
1 ... 25 ml/min
Hardness
≤
20° dH
The requirements of the test sample are met by using the FM/PC fil-
ter module available as an accessory.
Temperature +4 … +45 °C (+39 … +113°F)
pH value 5…9
Solids contents < 6 g/l