Specifications

PCA
®
3
17
2.0 Specifi cations
The PCA
®
3 Directly Measures and Displays:
The gases displayed depend on the sensors installed in the analyzer. Refer
to Section 1.3.
Oxygen ......................................................................................... 0.1 to 20.9%
Stack Temperature ........................................-4 to 2,192 °F (-20 to 1,200 °C)
Primary/Ambient Air Temperature ....................-4 to 999 °F (-20 to 537 °C)
Carbon Monoxide (CO) (H
2
compensated) ............................. 0 to 4,000 ppm
Pressure/Draft .................................................................±72 “H
2
O (±179 mb)
CO High Range .............................................................. 4,001 to 20,000 ppm
Nitric Oxide (NO) .................................................................... 0 to 3,000 ppm
Nitrogen Dioxide (NO
2
) .............................................................. 0 to 500 ppm
Sulfur Dioxide (SO
2
) ................................................................ 0 to 5,000 ppm
The PCA
®
3 Calculates and Displays:
Calculations are performed only when the measured oxygen level is below
16.0% and the stack temperature is below 2,000 °F (1,093 °C).
Combustion Effi ciency ................................................................. 0.1 to 100%
Excess Air ........................................................................................ 1 to 250%
Carbon Dioxide (dry basis) .................0.1 to fuel dependent maximum in %
NOx (NOx = NO + NO
2
) .......................................................... 0 to 3,500 ppm
NOx referenced to %O
2
........................................................... 0 to 9,999 ppm
CO referenced to %O
2
.............................................................. 0 to 9,999 ppm
NO referenced to %O
2
............................................................. 0 to 9,999 ppm
NO
2
referenced to %O
2
............................................................ 0 to 9,999 ppm
SO
2
referenced to %O
2
............................................................. 0 to 9,999 ppm
Fuels available for Combustion Calculations:
• Natural Gas • Coal
• Oil #2 • Wood
• Oil #4 • Kerosene
• Oil #6 • Bagasse
• Propane • Digester Gas