Emerson 7003M - Manual (Page 48)

Operator Manual
748223-K
June 2002
4-2 Calibration and Adjustments Rosemount Analytical Inc. A Division of Emerson Process Management
Model 7003M
5. Press ENTER to return to the RUN
mode.
6. If the ratio between the
concentration value entered and
the sensor voltage is excessive, an
error message will be flashed.
7. If the sample gas and the
calibration gas are each at constant
pressure, continue with Section 4-
2c on page 4-4 and enter the
pressure of each.
Oxygen 20.946% ±0.002
Nitrogen 78.084% ±0.004
Argon 0.934% ±0.004
CO 2 0.033% ±0.001
Water Vapor 0.000%
Other Gases Balance
760 mm Hg; 0% Relative Humidity 1
Table 4-2. Composition of Dry Atmospheric Air
PERCENT COMPOSITION ( .002%) A@
GAS
15 °C 20 °C 25 °C 30 °C
Oxygen 20.641% 20.510% 20.338% 20.115%
Water Vapor 1.683 2.307 3.126 4.187
Other Gases Balance Balance Balance Balance
760 mm Hg; 100% Relative Humidity 2
Table 4-3. Composition of Humid Atmospheric Air
1
CRC Handbook of Chemistry and Physics, R. Weast, ed., Chemical Rubber Co., Boca Raton, FL: CRC Press, 1987, p. F-
148.
2
Computed from data in CRC Handbook of Chemistry and Physics, p. D-190.