Xylem CellOx 325 Dissolved oxygen sensor Manuale Utente Scaricare il pdf (Pagina 15)

CellOx 325 Technical data

Pin assignment

Measurement

conditions

Measuring ranges at 20 °C 0 ... 50 mg/l O

0 ... 600 % O

saturation

0 ... 1250 mbar O

partial pressure

Temperature range 0 ... 50 °C

Max. allowed overpressure 6·10

Pa (6 bar)

Depth of immersion min. 6 cm

max. 20 m (depending on the cable length)

Operating position any

Approach flow > 3 cm/s at 10 % measurement accuracy

10 cm/s at 5 % measurement accuracy

18 cm/s at 1 % measurement accuracy

Characteristic data

on delivery

Zero signal < 0.1 % of the saturation value

Response time at 20 °Ct

(90 % of the final value display) < 10 s

(95 % of the final value display) < 16 s

(99 % of the final value display) < 60 s

Oxygen own consumption

at 20 °C

0.008

µg·h

-1

(mg/l)

-1

Drift approx. 3 % per month in the operating con-

dition

Working life min. 6 months with one electrolyte fill

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Xylem CellOx 325 Dissolved oxygen sensor Manuale Utente Pagina 15