ECA 450 Introduction
Instruction 0024-9400
Optionally . . .
• NOx content in the range of 0 to 4,000 ppm NOx.
• NOx content referenced to a user defined percentage of Oxygen in the
range of 0 to 17,000 ppm NOx.
• Nitric Oxide content referenced to a user defined percentage of Oxygen
in the range of 0 to 14,900 ppm NO.
• Nitrogen Dioxide content referenced to a user defined percentage of
Oxygen in the range of 0 to 2,100 ppm NO
2.
• Sulfur Dioxide content referenced to a user defined percentage of Oxygen
in the range of 0 to 17,000 ppm SO
2.
Fuels Available for Combustion Calculations:
• Natural Gas • Propane
• Oil #2 • Coal
• Oil #4 • Wood
• Oil #5 • Kerosene
• Oil #6 • Bagasse
Normal Operating Environment:
Temperature:
Analyzer .................... 32 to 104 ºF (0 to 40 ºC).
Probe Tip ................... 1472 ºF (800 ºC) Max.
Humidity:
Analyzer .................... 15 to 90% Relative Humidity, non-condensing.
Air Pressure:
Analyzer .................... Atmospheric.
Probe .......................... 10" H
2O (25 mb) negative pressure max. at probe tip.
Accuracy:
Oxygen .................................... ±0.3% O
2
, on a practical concentration of flue
gas (mixtures of O
2
, CO
2
and N
2
)
Carbon Monoxide .................. ±5% of reading or ±10 ppm, whichever is
greater, between 0 and 2,000 ppm CO, and
±10% of reading between 2,001 and
40,000 ppm CO
Nitric Oxide ............................ ±5% of reading or ±5 ppm, whichever is greater,
between 0 and 2,000 ppm NO
Nitrogen Dioxide .................... ±5% of reading or ±5 ppm, whichever is greater,
between 0 and 500 ppm NO
2
Sulfur Dioxide ........................ ±5% of reading or ±10 ppm, whichever is
greater, between 0 and 2,000 ppm SO
2
Combustibles .......................... ±5% of full scale
Stack Temperature ................ ±4 °F between 32 and 255 °F
(±2 °C between 0 to 124 °C)
±6 °F between 256 and 480 °F
(±3 °C between 125 to 249 °C)
±8 °F between 481 and 752 °F
(±4 °C between 250 to 400 °C)
Primary Air / Ambient
Temperature ....................... ±2 °F between 32 and 212 °F
(±1 °C between 0 to 100 °C)
Pressure ................................. ±2% of reading or ±0.05 mB (0.02 inches of H
2
O),
whichever is greater.