Emerson Process Management GmbH & Co. OHG3-14
X-STREAM XE
Instruction Manual
HASXEE-IM-HS
04/2010
3.6 Measurement Specication
General Performance Specications

Tab. 3-8: General Measurement Performance Specications

Notes!

Not all data listed above are applicable to all analyzer versions (e.g. thermostatically controlled box is not available for 1⁄2 19 in

instruments).See also table 3-9 for special performance specications!

NDIR/UV/VIS Oxygen Sensor (PO2 and EO2) Thermal Conductivity
Detection limit < 1 % 1 4 < 1 % 1 4 < 2 % 1 4
Linearity < 1 % 1 4 < 1 % 1 4 < 1 % 1 4
Zero-point drift < 2 % per week 1 4 < 2 % per week 1 4 < 2 % per week 1 4
Span (sensitivity) drift < 0.5 % per week 1 4 < 1 % per week 1< 1 % per week 1 4
Repeatability < 1 % 1 4 < 1 % 1 4 < 1 % 1 4
Response time (t90) 4 s < t90 < 7 s 3 5 < 5 s 3 6 / approx. 12 s 3 9 5 s < t90 < 20 s 3 7
Permissible gas ow 0.2 - 1.5 l/min. 0.2 - 1.0 l/min 6 / 0.2 - 1.5 l/min. 90.2 - 1.5 l/min. (+ 0.1 l/min)
Inuence of gas ow < 0.5 % 1 4< 2 % 1 4< 1 % 1 4 13
Maximum gas pressure 18 < 1,500 hPa abs. (< 7 psig) 17 < 1,500 hPa abs. (< 7 psig) 16 17 < 1,500 hPa abs. (< 7 psig) 17
Inuence of pressure
– At constant temperature < 0.10 % per hPa 2< 0.10 % per hPa 2< 0.10 % per hPa 2
– With pressure compensation 8< 0.01 % per hPa 2< 0.01 % per hPa 2< 0.01 % per hPa 2
Permissible ambient temperature 0 to +50 °C (32 to 122 °F) 0 to +50 °C (32 to 122 °F) 10 0 to +50 °C (32 to 122 °F)
Inuence of temperature
(at constant pressure)
– On zero point < 1 % per 10 K 1< 1 % per 10 K 1< 1 % per 10 K 1 15
– On span (sensitivity) < 5 % (0 to +50 °C) 1 11 15 < 1 % per 10 K 1 15 < 1 % per 10 K 1 15
Thermostat control 14 Optionally 60 °C (140 °F) 5 60 °C (140 °F) 6 / None 975 °C (167 °F) 12
Warm-up time 15 to 50 minutes 5 7 Approx. 50 minutes 615 to 50 minutes 7
1Related to full scale
2Related to measuring value;
1 psi = 68.95 hPa
3
From gas analyzer inlet at gas ow of 1.0 l/min
(electronic damping = 0 s)
4Constant pressure and temperature
5Dependent on integrated photometer bench
6Paramagnetic oxygen measurement (PO2)
7Depending on measuring range
8 Pressure sensor is required
9Electrochemical oxygen measurement (EO2),
not for use with sample gas containing
FCHC´s
10 Electrochemical oxygen measurement (EO2):
+5 to +40 °C (41 to 104 °F)
11 Starting from +20 °C (68 °F) to 0 °C (32 °F) to
+50 °C (122 °F) to +20 °C (68 °F)
12 Sensor / cell only
13 Flow variation within + 0.1 l/min
14 Optional thermostatically controlled box with
temperature 60 °C (140 °F)
15 Temperature variation: 10 K in 1 hour
16 No sudden pressure surge for PO2 allowed
17 Special conditions apply to model X2FD
18 Limited to atmospheric if internal sample
pump