Operator Manual

748223-K June 2002

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

 

 

 

 

 

 

CO2

 

 

0.033%

±0.001

 

 

 

 

 

 

Water Vapor

 

0.000%

 

 

 

 

 

 

 

Other Gases

 

Balance

 

 

 

 

 

760 mm Hg; 0% Relative Humidity1

 

 

 

 

 

 

 

 

 

Table 4-2.

Composition of Dry Atmospheric Air

 

 

 

 

 

 

 

 

 

 

 

GAS

 

 

 

PERCENT COMPOSITION ( .002%) A@

 

 

 

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 Humidity2

 

 

 

 

 

 

 

 

Table 4-3.

Composition of Humid Atmospheric Air

 

1CRC Handbook of Chemistry and Physics, R. Weast, ed., Chemical Rubber Co., Boca Raton, FL: CRC Press, 1987, p. F- 148.

2Computed from data in CRC Handbook of Chemistry and Physics, p. D-190.

4-2 Calibration and Adjustments

Rosemount Analytical Inc. A Division of Emerson Process Management