F. concentration measurement, Gas measurement units, Instruction manual – Emerson NGA 2000 TO2 User Manual
Page 44

Instruction Manual
760008-A
September 2001
3-20 Operation
Rosemount Analytical Inc. A Division of Emerson Process Management
Model NGA 2000 TO2
f. Concentration
Measurement
This menu establishes several features
and parameters of the concentration
measurement and display. The values on
this menu are not usually changed.
Gas measurement units:
ppm
Parts per million.
mg/Nm3
Reading adjusted by the
conversion factor below.
ppb
Parts per billion.
%
Percent should only be
used for higher range sen-
sor models.
Figure 3-21. Concentration Measurement
TO2
37.50 ppm
-- Analyzer Module Setup and Controls --
Calibration…
Alarms…
Ranges…
Linearization…
Measurement display configuration…
Concentration measurement…
Flow measurement…
Temperature measurement…
Measure
Back…
Status…
TO2
37.50 ppm
Measure
Back…
-- Concentration Measurement --
Gas concentration units: ppm
Sensor model: 0-100 ppm Standard
Clamp low PVA at 0.02: No
Ppm to mg/Nm3 conversion factor: 1.00
Lower explosion limit (LEL): 0./00%
Upper explosion limit (UEL): 0./00%
Upper O2-current range: 100
Main Menu
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Analyzer and I/O, expert controls and setup…