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Instruction Manual
760008-A
September 2001
3-8 Operation Rosemount Analytical Inc. A Division of Emerson Process Management
Model NGA 2000 TO2
3-4 BASIC CONTROLS, SETUP AND STATUS
The following sections describe the basic
control of the analyzer and the viewing of
channel parameters. Examples of stepping
through the menus are shown so that the user
can become familiar with the operation,
keeping in mind that displays and menu
choices may be different depending on actual
analyzer configuration and any customization
of the menus.
a. Analyzer Channel Status
Figure 3-10. Analyzer Channel Status
If necessary, from the Main menu press F1
“Measure.”
Press F2 to change to the “Analyzer Channel
Status” menu.
Or, from the Main menu press F2 to the
“Analyzer Channel Status” menu.
From the “Analyzer Module Status” menu an
additional submenu is available for “Power
supply voltages..." to check the various volt-
age levels in the analyzer.
Press the ↵ or → key to access the “Power
supply voltages..." display screen. The toler-
ance for these voltage is ±10% of nominal.
Press the F4 (Back…) button to return to the
“Analyzer Module Status” menu or the F1
(Measure) button to return to the “Measure”
display screen.
From the “Analyzer Module Status” menu,
press the F2 (Back…) button to go to the
“Main Menu” or press the F1 (Measure) but-
ton to return to the “Measure” display screen.
TO2 37.50 ppm
Measure
Back…
-- Power Su
pp
l
y
Volta
g
es --
+15V analog: 14.9V
-15V analog: -15.0V
+5V digital: 5.02V
+24V power: 23.89V
Primary electrode: 1.31V
Isolated 15V: OK
TO2 37.50 ppm
Measure
Back…
-- TO2 Anal
y
zer Module Status --
Electrolyte level: Ok
Range and calibration control: Local
Next quick start possible after: 0 s
Operation status: Normal
Sensor current: 0.0500 uA
Sensor temperature: 25.3
°
C
Sensor model: 0-100 Standard
Over range: No
Power su
pp
l
y
volta
g
es…
TO2
Dis
p
la
y
Status… Main… Channel BasicCal
0.00 Ran
g
e: 3 50.00
37.50
ppm O
2
Electrolyte level: OK
Temp current: 263 uA 0.0 100.0
Range: 3
Sensor Current: 0.0500 uA 0.0000 100.0000