Emerson X-STREAM Series Instruction Manual page 33

Non-incendive (ex na nc) configuration for zone 2 and division 2 installations gas analyzer
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Instruction Manual
HASXENE-IM-EX
12/2014
Special Performance Specifi cations for Gas Purity Measurements (Suppressed Ranges)
Detection limit (4 σ)
Linearity
1 2
Zero-point drift
Span (sensitivity) drift
Repeatability
Response time (t
Permissible gas fl ow
Permissible gas pressure
Permissible gas pressure variation
Infl uence of ambient pressure change
from 800 to 1100 hPa at constant tem-
perature with pressure compensation
Permissible ambient temperature
Infl uence of temperature
(at constant pressure)
– On zero point
– On span (sensitivity)
Thermostat control
Warm-up time
Purge gas (N
1
Related to suppressed range (98 - 100 %)
2
Constant pressure and temperature
Daily zero and span calibration requested
3
Tab. 1-7: Special Performance Specifi cations for Gas Purity Measurements (Suppressed Ranges)
Emerson Process Management GmbH & Co. OHG
1.6 Measurements Specifi cations
1 2
1 2 3
1 2 3
1 2
)
4
90
1 5
1 6
7
) fl ow
2
4
Switching from absolute to suppressed range
requires purge time of > 240 s
Sample gas pressure sensor mandatory
5
X-STREAM Non-Incendive
98–100 % CO
≤ 2 %
≤ 1 %
≤ 2 % per day
≤ 2 % per day
≤ 2 %
≤ 30 s
defi ned by constant pressure at inlet
1300 hPa (4.4 psig) – 1700 hPa (10.1 psig)
± 70 hPa (1 psig)
≤ 2 %
15 to 35 °C (59 to 95 °F)
≤ 0.5 % per 10 K
≤ 2 %
60 °C (140 °F)
approx. 50 minutes
approx. 0.1–0.2 l/min
Note! 1 psi = 68.95 hPa
6
Temperature variation: ≤ 10 K per hour
7
Related to permissible ambient temp. range
2
1-13

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