Servomex SERVOPRO MultiExact - Performance Data: 0-20 Ppm N; O Measurement

Appendix MultiExact Gas Analyser
A9.7 Performance data: 0-20ppm N
2
O 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 N
2
O
Full scale range
0 to 20 ppm N
2
O
Analogue output range
User selectable
(minimum difference – 10% of full range)
Resolution
0.01 ppm N
2
O
Repeatability
< 0.2 ppm N
2
O
Linearity
± 0.2 ppm N
2
O
Intrinsic error (accuracy)
± 0.2 ppm N
2
O
Drift per week
± 0.4 ppm ± 2% of reading
Output fluctuation
± 0.2 ppm N
2
O
Response time *
15 seconds
Flow effect
Flow driven
< 0.2 ppm or 1% of reading **
†
Pressure driven
< 0.2 ppm or 1% of reading **
‡
Temperature coefficient
± 3% of measurement or 0.4 ppm per 10 °C
Pressure effects
0.5% of measurement
#
*
T
90
at 500 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.
132 05410001A / Revision 6