COM280
Technical data
Hauser
31
16
Technical data
16.1 Input
Measured variable
Dissolved oxygen [mg/l, % SAT, mbar]
Measuring range
• Measuring range I:
0 to 19.9 mg/l or 0 to 199 %SAT or 0 to 200 mbar
• Measuring range II:
0 to 90 mg/l or 0 to 600 %SAT or 0 to 1250 mbar
16.2 Performance characteristics
Response time
From air to nitrogen at 25 °C (77 °F)
t
90
: 25 s
Reference operating
conditions
Zero current
< 0.1 % of the saturation value
Maximum measured
error
2)
Long-term drift
3 % per month
Oxygen depletion
(intrinsic consumption)
Approx. 6 ng/h at 20 °C (68 °F) and in 1 mg/l dissolved oxygen
Electrolyte service life
Approx. 6 months
Temperature
compensation
0 to 40 °C (32 to 100 °F)
Salinity correction
Can be added, fixed salinity 35.0
Reference temperature:
25 °C (77 °F)
Reference pressure:
1013 hPa (15 psi)
2)
In accordance with DIN IEC 746 Part 1, at reference operating conditions
Oxygen concentration, saturation,
partial pressure:
0.5 % of the measured value ± 1
digit
Temperature:
0.1 K ± 1 digit
Temperature compensation:
< 2 %
