Servomex SERVOPRO MultiExact - Performance Data: 0-500 Ppm CO; Measurement

MultiExact Gas Analyser Appendix
A9.5 Performance data: 0-500ppm CO
2
measurement
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The display indication given below is the default indication. You can configure
the analyser to provide other display indications (see Section 5.10).
☞
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Performance data has been determined in accordance with EN61207.
The performance specification for 0-50ppm range is applicable when
the
transducer is calibrated with 50ppm CO
2
span gas.
Display indication
ppm CO
2
Full scale range
Lower specified range
0 to 500ppm¹ CO
2
0 to 50ppm² CO
2
Analogue output range
User selectable
(minimum difference – 10% of full range)
Resolution
0.01 ppm CO
2
Repeatability
0-500ppm¹: ±0.5ppm (below 25ppm), <3% of
reading (25
-500ppm)
0-50ppm²: <0.5ppm
Linearity
0-500ppm¹: ±0.5ppm (below 25ppm), ±3% of
reading (25
-500ppm)
0-50ppm²: ±0.5ppm
Intrinsic error (accuracy)
0-500ppm¹: ±0.5ppm (below 25ppm), ±3% of
reading (25
-500ppm)
0-50ppm²: ±0.5ppm
Drift per week
± 0.3 ppm ± 2% of reading (for the specified
range)
Output fluctuation
± 0.1 ppm CO
2
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 0.25 ppm per 10 °C **
Pressure effects
0.4% of measurement
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05410001A / Revision 6 129