5200 Multi Purpose and 5200 Multi Purpose HF Gas Analysers
05230001A / Revision 9
7
2.3 Calibration gases
Low calibration gas Oxygen-free nitrogen, 99.9% pure
High calibration gas
Standard oxygen sensor Certified oxygen supply * or instrument quality
air
†
, or other supply (with > 20% oxygen; for
example ambient air)
Industrial or high accuracy
oxygen sensor
Certified oxygen supply * or instrument quality
air
†
, or other supply (with > 1% oxygen)
IR (infrared) sensor Certified gas supply with a concentration in
the range 80 to 100% of the corresponding IR
sensor max measurement (see Section 2.8)
Calibration gas flow rate (with
internal sample pump fitted)
Minimum
Maximum
1 l min
-1
(0.035 ft
3
min
-1
)
2.5 l min
-1
(0.088 ft
3
min
-1
)
Calibration gas pressure range
Standard Multi Purpose
#
6.9 to 68.9 kPa gauge
(1 to 10 psig, 0.07 to 0.69 bar gauge)
Multi Purpose HF
Minimum
Maximum
6.89 kPa gauge (1 psig, 0.07 bar gauge)
34 kPa gauge (5 psig, 0,34 bar gauge)
* > 99.2% pure oxygen, with nitrogen balance gas.
† The air supply must be clean and dry, and free from oil.
# Without internal sample pump.
+
With an industrial or high accuracy oxygen sensor, there must be at least a
1% difference in oxygen concentration between the low and high calibration
gases. With the standard oxygen sensor, there must be at least a 20%
difference in oxygen concentration between the low and high calibration
gases.
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