Emerson Process Management HASX2E-IM-HS Carbon Monoxide Alarm User Manual


 
Emerson Process Management GmbH & Co. OHG3-22
X-STREAM X2
Instruction Manual
HASX2E-IM-HS
02/2012
3.5 Measurement Specications
Tab. 3-12: Special Performance Specications for Gas Purity Measurements
Special Performance Specications for Gas Purity Measurements (ULCO & ULCO
2
)
1
Related to full scale
2
Constant pressure and temperature
3
Within 24 h; daily zero calibration requested
4
Within 24 h; daily span calibration recommended
5
Related to measuring value
6
Temperature variation: 10 K per hour
7
From gas analyzer inlet at gas ow of 1.0 l/min
8
Barometric pressure sensor is required
9
Whichever value is higher
10
Limited to atmospheric if internal sample pump
11
Special conditions apply to model X2FD
0–10…< 50 ppm CO
0–5…< 50 ppm CO
2
Detection limit (4 σ)
1 2
<
2 %
Linearity
1 2
< 1 %
Zero-point drift
1 2 3
< 2 % resp. < 0.2 ppm
9
Span (sensitivity) drift
1 2 4
< 2 % resp. < 0.2 ppm
9
Repeatability
1 2
< 2 % resp. < 0.2 ppm
9
Response time (t
90
)
7
< 10 s
Permissible gas ow 0.2–1.5 l/min.
Inuence of gas ow
1 2
< 2%
Maximum gas pressure
10 11
≤ 1500 hPa abs.
( 7 psig)
Inuence of pressure
5
– At constant temperature 0.1 % per hPa
– With pressure compensation
8
0.01 % per hPa
Permissible ambient temperature +15 to +35 °C (59 to 95 °F) +5 to +40 °C (41 to 104 °F)
Inuence of temperature
6
(at constant pressure)
– On zero point < 2 % per 10 K resp. < 0.2 ppm per 10 K
9
– On span (sensitivity) < 2 % per 10 K resp. < 0.2 ppm per 10 K
9
Thermostat control none 60 °C (140 °F)
Note! 1 psi = 68.95 hPa
Tab. 3-11: Trace Moisture - Standard Measurement Performance Specications
Note! 1 psi = 68.95 hPa
Trace Moisture (tH
2
O)
Measurement range -100 to -10 °C dew point (0100–3000 ppm)
Measurement accuracy ±2 °C dew point
Repeatability 0.5 °C dew point
Response time (t
95
) 5 min (dry to wet)
Operating humidity 0 to 100 % r.h.
Sensor operating temperature -40 to +60 °C
Temperature coefcient Temperature compensated across operating temperature range
Operating pressure
Depending on sequential measurement system, see analyzer specication
1
max. 1500 hPa abs / 7 psig
2
Flow rate
Depending on sequential measurement system, see analyzer specication
1
0.2 to 1.5 Nl/min
1
If installed in series to another measurement system, e. g. IR channel
2
Special conditions apply to model X2FD
Note! Do not calibrate, see special calibration notes in the measurement description!