Emerson HASXEDE-IM-EX Welding Consumables User Manual


  Open as PDF
of 140
 
Emerson Process Management GmbH & Co. OHG1-16
X-STREAM XEFD
Instruction Manual
HASXEDE-IM-EX
03/2012
1.8 Measurements Specications
Standard and Enhanced Performance Specications
Tab. 1-7: IR, UV, VIS, TCD - Standard and Enhanced Measurement Performance Specications
Tab. 1-8: 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 (0–100…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
2
Depending on sequential measurement system, see analyzer specication
1
max. 1500 hPa abs / 7 psig
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 pressures above 1100 hPa
(1.5 psig) up to 1500 hPa (7 psig)
NDIR/UV/VIS Thermal Conductivity (TCD)
Standard Spec Enhanced Spec Standard Spec Enhanced Spec
Detection limit (4 σ)
1 4
≤ 1 % ≤ 0.5 % ≤ 1 % ≤ 0.5 %
Linearity
1 4
≤ 1 % ≤
1 %
Zero-point drift
1 4
≤ 2 % per week ≤ 1 % per week ≤ 2 % per week ≤ 1 % per week
Span (sensitivity) drift
1 4
≤ 0.5 % per week ≤ 1 % per month ≤ 1 % per week
Repeatability
1 4
≤ 0.5 % ≤
0.5 %
Response time (t
90
)
3
4 s ≤ t
90
≤ 7 s
5
15 s ≤ t
90
≤ 30 s
6
Permissible gas ow 0.2–1.5 l/min. 0.2–1.5 l/min.
12
Inuence of gas ow
1 4
≤ 0.5 % ≤ 1 %
12
Maximum gas pressure
8 9
≤ 1500 hPa abs. (≤ 7 psig) ≤ 1500 hPa abs. (≤ 7 psig)
Inuence of pressure
2
– At constant temperature ≤ 0.10 % per hPa ≤ 0.10 % per hPa
– With pressure compensation
7
≤ 0.01 % per hPa ≤ 0.01 % per hPa
Permissible ambient temperature
10
0 (-20) to +50 °C (32 (-4) to 122 °F) 0 (-20) to +50 °C (32 (-4) to 122 °F)
Inuence of temperature
1 14
(at constant pressure)
– On zero point ≤ 1 % per 10 K ≤ 0.5 % per 10 K ≤ 1 % per 10 K ≤ 0.5 % per 10 K
– On span (sensitivity) ≤ 5 % (0 to +50 °C / 32 to 122 °F) ≤ 1 % per 10 K
Thermostat control
6 13
none / 60 °C (140 °F)
5
none / 60 °C (140 °F)
11
Warm-up time
6
15 to 50 minutes
5
approx. 50 minutes
Note! 1 psi = 68.95 hPa
1
Related to full scale
2
Related to measuring value
3
From gas analyzer inlet at gas ow of 1.0 l/min
(electronic damping = 0 s)
4
Constant pressure and temperature
5
Dependent on integrated photometer bench
6
Depending on measuring range
7
Pressure sensor is required
8
Special conditions for > 1.100 hPa abs.
9
Limited to atmospheric if internal sample pump
10
Temperatures below 0 °C (-4 °F) with thermostat
control only
11
Thermost. controlled sensor: 75 °C (167 °F)
12
Flow variation within
±
0.1 l/min
13
Optional thermostatically controlled box with
temperature 60 °C (140 °F)
14
Temperature variation: ≤
10 K per hour
Note! Do not calibrate, see special calibration notes in the X-STREAM Enhanced instruction manual!
 previous next