Technical Data; Input; Performance Characteristics - Endress+Hauser COM280 Betriebsanleitung

COM280
Measured variable
Measuring range
Response time
Reference operating
conditions
Zero current
Maximum measured
2)
error
Long-term drift
Oxygen depletion
(intrinsic consumption)
Electrolyte service life
Temperature
compensation
Salinity correction
2) In accordance with DIN IEC 746 Part 1, at reference operating conditions
Endress+Hauser
16

Technical data

16.1 Input

Dissolved oxygen [mg/l, % SAT, mbar]
• 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

From air to nitrogen at 25 °C (77 °F)
t : 25 s
90
Reference temperature:
Reference pressure:
< 0.1 % of the saturation value
Oxygen concentration, saturation,
partial pressure:
Temperature:
Temperature compensation:
3 % per month
Approx. 6 ng/h at 20 °C (68 °F) and in 1 mg/l dissolved oxygen
Approx. 6 months
0 to 40 °C (32 to 100 °F)
Can be added, fixed salinity 35.0
25 °C (77 °F)
1013 hPa (15 psi)
0.5 % of the measured value ± 1
digit
0.1 K ± 1 digit
< 2 %
Technical data
31