Endress+Hauser Oxymax COS22D, Operating Instructions Manual

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Oxymax COS22D Technical data
Hauser
33
10 Technical data
10.1 Input
10.1.1 Measured variable
Dissolved oxygen [mg/l, μ g/l, ppm, ppb, % SAT or hPa]
Temperature [ ˚ C, ˚ F)
10.1.2 Measuring range
All ranges refer to 20 ˚ C (68 ˚ F) and 1013 hPa (15 psi).
10.2 Performance characteristics
10.2.1 Response time
From air to nitrogen at reference conditions
• t
90
: < 30 s
• t
98
: < 60 s
10.2.2 Reference operating conditions
10.2.3 Signal current in air
COS22D-*1 (standard sensor): 40 to 100 nA
COS22D-*3 (trace sensor): 210 to 451 nA
10.2.4 Zero current
COS22D-*1 (standard sensor): < 0.1 % of the signal current at air
COS22D-*3 (trace sensor): < 0.03 % of the signal current at air
Measuring range Optimum operational range
1)
1) Applications in this range ensure long service life and minimum maintenance effort
COS22D-*1 0.01 to 60 mg/l
0 to 600 %SAT
0 to 1200 hPa
0 to 100 Vol% 0.01 to 20 mg/l
0 to 200 %SAT
0 to 400 hPa
0 to 40 Vol%
COS22D-*3 0.001 to 10 mg/l
0 to 120 %SAT
0 to 250 hPa
0 to 25 Vol% 0.001 to 2 mg/l
0 to 20 %SAT
0 to 40 hPa
0 to 4 Vol%
Reference temperature: 25 ˚ C (77 ˚ F)
Reference pressure: 1013 hPa (15 psi)