ABB EL3000 Series Manual page 36

36
Test gases
Gas connections
EL3000 CONTINUOUS GAS ANALYZERS
Zero-point calibration
Quality Nitrogen, Quality 5.0, synthetic air or catalytically cleaned
air with an organic C content < 1 % of span
Inlet pressure p = 1000 ± 100 hPa
e
Flow 130 to 250 l/h
End-point calibration
Quality Sample component or substitute gas component in ni-
trogen or synthetic air with concentration adjusted to the
measuring range
Inlet pressure p = 1000 ± 100 hPa
e
Flow 130 to 250 l/h
NOTE
The notes for calibrating must be considered.
See sections
"Gas and Electrical Connections for Fidas24 (Model EL3020)" (see page 79)
and
"Gas and Electrical Connections for Fidas24 (Model EL3040)" (see page 80)
| CI/EL3000-EN REV. B