Siemens ULTRAMAT 23, Руководство пользователя, Страница: 40 / 244

Description
3.4 Technical specifications
ULTRAMAT 23
40
Manual, 3/2016, A5E37100388-003
Climatic conditions
Permissible ambient temperature
•
During operation
• During transportation and storage
+5 ... +45 °C (41 ... 113 °F)
-20 ... +60 °C (-4 ... 140 °F)
Permissible ambient humidity < 90% RH (relative humidity) during transportation and storage
Permissible ambient pressure 600 ... 1200 hPa absolute
Maximum operating altitude 2000 m above sea level
Influencing variables
Cross-inferences (interfering gases)
See table of cross-sensitivities
Zero drift (vol % O
2
) Measuring range 2%: max. 0.1% with weekly zero adjustment
Measuring range 5%: max. 0.1% with weekly zero adjustment
Measuring range 25% or greater: max. 0.5% with monthly zero adjust-
ment
Temperature error (vol % O
2
) <2% /10 K referred to measuring range 5%
<5% /10 K referred to measuring range 2%
Humidity error (vol % O
2
)
for N
2
with 90% relative humidity after 30 min
<0.6% at 50 °C (122 °F)
Air pressure < 0.2% of measured value per 1% pressure change
Cross-sensitivities
All values in this table refer to a zero calibration with nitrogen and a full-scale calibration with 100 vol. % oxygen. The devi-
ations apply to 100 vol. % of the associated gas, and must be considered proportionally for the zero calibration.
Gas
Formula Deviation at 20 °C Deviation at 50 °C
Acetyl aldehyde C
2
H
4
O - 0.31 - 0.34
Acetone C
3
H
6
O - 0.63 - 0.69
Acetylene, ethine C
2
H
2
- 0.26 - 0.28
Ammonia NH
3
- 0.17 - 0.19
Argon Ar - 0.23 - 0.25
Benzene C
6
H
6
- 1.24 - 1.34
Bromine Br
2
- 1.78 - 1.97
Butadiene C
4
H
6
- 0.85 - 0.93
n-butane C
4
H
10
- 1.10 - 1.22
Iso-butylene C
4
H
8
- 0.94 - 1.06
Chlorine Cl
2
- 0.83 - 0.91
Diacetylene C
4
H
2
- 1.09 - 1.20
Dinitrogen monoxide N
2
O - 0.20 - 0.22
Ethane C
2
H
6
- 0.43 - 0.47
Ethyl benzene C
8
H
10
- 1.89 - 2.08
Ethylene, ethene C
2
H
4
- 0.20 - 0.22
Ethylene glycol C
2
H
6
O
2
- 0.78 - 0.88
Ethylene oxide C
2
H
4
O - 0.54 - 0.60