Oxygen Analyzer
3–16 4900002239 rev. G 7-11-17
Manual calibration
Perform a manual calibration for sensors that have not previously been
calibrated with the analyzer using the calibration values stated on the sensor’s
Calibration Certificate. Refer to the sample in Figure 3–18.
1. Change the values for Cal0, T0, Cal2nd, T2nd and pATM according
to the values shown in the Calibration Certificate. Refer to Figure
3–20.
Table 3–1 Calibration Specifications
Sensor Type
OP-3 OP-6 OP-9
Calibration
Two-point calibration
with oxygen-free
environment (Nitro-
gen, sodium sulfite)
and air-saturated
environment
Two-point calibration
in oxygen-free envi-
ronment (Nitrogen)
and a second cali-
bration value opti-
mally between 1 and
2% oxygen
Two-point calibration
in oxygen-free envi-
ronment (99.9999%
Nitrogen) and a sec-
ond calibration value
optimally between
100 and 200 ppm
gaseous oxygen
Cleaning
Procedure
3% H
2
O
2
Acidic agents (HCI, H
2
SO
4
), max. 4-5% at room temperature
Storage
Stability
2 years provided the sensor material is stored in the dark
Figure 3–20 Calibration Data screen - changing
the pressure unit
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