Specifications

PCA
®
3
46
4. Pressing the RUN/HOLD button holds all readings, stops the pump
and displays the Combustion-Test HOLD screen. Press the ▲▼
buttons to scroll through all test values. Pressing RUN/HOLD
again restarts the pump and resumes testing.
Table 4-1 — List of Combustion Test Data
Display
Name
Description of Measurement or Calculation
O
2
% Oxygen
CO Carbon Monoxide (1)
EFF Combustion Effi ciency
CO
2
% Carbon Dioxide
T-STK Stack Temperature
T-AIR Primary/Ambient Air Temperature as measured either
internally or by an optional external thermocouple plugged
into the analyzer’s T-AIR connector.
EA % Excess Air
CO(#) Carbon Monoxide ppm level referenced to a % of oxygen (2)
NO Nitric Oxide (1)
NO
2
Nitrogen Dioxide (1)
NOx Oxides of Nitrogen (NO and NO
2
combined) (1)
SO
2
Sulfer Dioxide (1)
NO(#) Nitric Oxide ppm level referenced to a % of oxygen (2)
NO
2
(#) Nitrogen Dioxide ppm level referenced to a % of oxygen (2)
NOx(#) Oxides of Nitrogen ppm level referenced to a % of oxygen (2)
SO
2
(#) Sulfur Dioxide ppm level referenced to a % of oxygen (2)
NO-T Nitric Oxide Sensor Temperature (3)
(1) Pollution unit of measure selected per Section 3.8
(2) The “#” represents the oxygen reference level of between 0 and
15% as selected per Section 3.11
(3) Only shown if selected in the Run/Hold Format menu per Section
3.20
NOTE: Stars (* * *) appear in measurement and calculation
fi elds of sensors that are not installed.