MultiExact Gas Analyser
Appendix
A9.6 Performance data: 0-10ppm CO 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
ppm CO
Full scale range
0 to 10 ppm CO
Analogue output range
User selectable
(minimum difference – 10% of full range)
Resolution
0.01 ppm CO
Repeatability
< 0.1 ppm CO
Linearity
± 0.1 ppm CO
Intrinsic error (accuracy)
± 0.1 ppm CO
Drift per week
± 1 ppm ± 1% of reading
Output fluctuation
± 0.1 ppm CO
Response time *
20 seconds
Flow effect
Flow driven
± 0.1 ppm or 1% of reading **
†
Pressure driven
± 0.1 ppm or 1% of reading **
‡
Temperature coefficient
± 3% of measurement or 0.3 ppm per 10 °C **
Pressure effects
< 1% of measurement
#
* T
90
for change of 0-5ppm at 400 ml min
-1
.
†
For a 200 to 500 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 pressure.
** Whichever is the greater.
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