Emerson X-STREAM Series Instruction Manual page 31

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
Detection limit (4 σ)
1 4
Linearity
1 4
Zero-point drift
1 4
Span (sensitivity) drift
1 4
Repeatability
1 4
Response time (t
)
3
90
Permissible gas fl ow
Infl uence of gas fl ow
1 4
Maximum gas pressure
8
Infl uence of pressure
2
– At constant temperature
– With pressure compensation
Permissible ambient temperature
Infl uence of temperature
1 13
(at constant pressure)
– On zero point
– On span (sensitivity)
Thermostat control
Warm-up time
1
Related to full scale
2
Related to measuring value
From gas analyzer inlet at gas fl ow of 1.0 l/min
3
(electronic damping = 0 s)
4
Constant pressure and temperature
5
Range 0–10...200 ppm: ≤ 5 % (5 to 45 °C /
41 to 113 °F)
6
Pressure sensor is required
Note! Take care of the tO
Tab. 1-4: Oxygen - Standard and Enhanced Measurement Performance Specifi cations
Note 1!
Not all data listed are applicable to all analyzer versions (e.g. 60 °C thermostatically controlled
box is not available for electrochemical and trace oxygen).
Note 2!
For NDIR/UV/VIS measurements, take into account that
• sample gas may diffuse or be released by leakages into the analyzer enclosure
• if existent in the analyzer surroundings, the component to be measured may enter the enclosure.
Concentrations then may increase inside the enclosure. High concentrations of the component
to be measured inside the enclosure may infl uence the measurement by unintended absorption,
which could cause drift of the measurement.
A remedy for this issue is to purge the housing with gas not containing the component of interest.
Emerson Process Management GmbH & Co. OHG
1.6 Measurements Specifi cations
Paramagnetic (pO
Standard Spec Enhanced Spec
≤ 1 %
≤ 0.5 %
≤ 1 %
≤ 2 % per week ≤ 1 % per week
≤ 1 % per week ≤ 0.5 % per week
≤ 0.5 %
< 5 s
0.2–1.5 l/min
≤ 2 %
11
≤ 1500 hPa abs. (≤ 7 psig)
≤ 0.10 % per hPa
≤ 0.01 % per hPa
6
0(-20) to +50 °C (32 (4) to 122 °F) 5 to +45 °C (41 to 113 °F) 5 to +45 °C (41 to 113 °F)
9
≤ 1 % per 10 K ≤ 0.5 % per 10 K
≤ 1 % per 10 K
60 °C (140 °F)
12
Approx. 50 minutes
7
reserved for future use
8
Limited to atmospheric if internal sample pump
Temperatures below 0 °C (-4 °F) with thermostat
9
control only
10
Thermost. controlled sensor: 35 °C (95 °F)
11
For ranges 0–5...100 % and fl ow 0.5...1.5 l/min
sensor's documentation, providing important calibration instructions!
2
X-STREAM Non-Incendive
Oxygen Sensors
)
Electrochemical (eO
2
≤ 1 %
≤ 1 %
≤ 2 % per week
≤ 1 % per week
≤ 1 %
approx. 12 s
0.2–1.5 l/min.
≤ 2 %
≤ 1500 hPa abs. (≤ 7 psig) ≤ 1500 hPa abs. (≤ 7 psig)
14
≤ 0.10 % per hPa
≤ 0.01 % per hPa
≤ 1 % per 10 K
≤ 1 % per 10 K
none
-
12
Optional thermostatically controlled sensor with
temperature 60 °C (140 °F)
13
Temperature variation: ≤ 10 K per hour
14
No sudden pressure surge allowed
)
Trace (tO
)
2
2
≤ 1 %
≤ 1 %
≤ 1 % per week
≤ 1 % per week
≤ 1 %
20 to 80 s
0.2–1.5 l/min.
≤ 2 %
≤ 0.10 % per hPa
≤ 0.01 % per hPa
≤ 1 % per 10 K
5
≤ 1 % per 10 K
5
none
10
Approx. 50 minutes
Note! 1 psi = 68.95 hPa
1-11

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