MultiExact Gas Analyser
Appendix
APPENDIX
A9
PERFORMANCE DATA
A9.1 O
2
purity measurement
☞
The display indication given below is the default indication. You can configure
the analyser to provide other display indications (see Section 5.10).
☞
Performance data has been determined in accordance with EN61207.
Display indication
Measured volume % O
2
Full scale range
0 to 100% O
2
Analogue output range
User selectable (minimum difference – 0.5%)
Resolution
0.01% O
2
Repeatability
< 0.01% O
2
Linearity
No measurable error
Intrinsic error (accuracy)
± 0.01% O
2
Zero drift per week
± 0.01% O
2
Span drift per week
± 0.02% O
2
Output fluctuation
± 0.01% O
2
Response time *
10 seconds
Flow effect
Flow driven
± 0.1% O
2
†
Pressure driven
± 0.1% O
2
‡
Zero temperature coefficient
± 0.01% O
2
per 10 °C
Span temperature coefficient
± 0.01% O
2
or 0.1% of reading per 10 °C **
Pressure effects
< 0.003% O
2
#
* T
90
at 200 ml min
-1
or 68.9 kPa gauge (7 psig, 0.48 bar gauge) sample gas supply
pressure.
†
For a 100 to 250 ml min
-1
change in sample gas flow rate.
‡
For a 14 to 55 kPa (0.14 to 0.55 bar, 2 to 8 psi) change in sample gas inlet pressure.
#
For a 1% change in ambient pressure.
** Whichever is the greater.
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