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Emerson I-0021 Manuel D’Utilisation

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4.7  Flow Zero Gas
90003482(2) [NGA-e (MLT-Software 3.2.X)] 07/98
NGA 2000
4 - 47
Display
Status...
Main...
Channel
Calib...
TAG
F1
F2
F3
F4
F5
Failures:
No
Maintenance-Requests:
No
Temperature:
20.0 C
Operation:
Ready
0.0
100.0
Range: 1
37.50
ppm CH4
0.00
50.00
Measure
Status...
Channel
Back...
TAG
F1
F2
F3
F4
F5
37.50 ppm
-- Analyzer Module Calibration --
Calibration procedure status...
Start span calibration procedure !
Expected span gas:
50.00  ppm
Span gas name:
Methane
Start zero calibration procedure !
Expected zero gas:
0.00  ppm
Valves...
Valve position:
Samplegas
Time & Date:
12:50:55  June 16, 1998
Measure
Status...
Channel
Back...
TAG
F1
F2
F3
F4
F5
37.50 ppm
-- Set Gas Valves --
Flow sample gas !
Flow zero gas !
Valve position:
Samplegas
Operation status:
Ready
Flow span gas !
Close all valves !
Flow test gas !
⇒ 
⇒ 
Change to the
menu "Analyzer
Module Calibration"
Press  
F5
Caution:
Before starting zero gas
flow, realize that zero gas
is available !
(See also section 5.1.1,
p.5-5... !)
⇒ 
⇒ 
Change to the
menu "Set Gas
Valves"
Press  
F5
⇒ 
⇒ 
Start the zero
gas flow
Press  
or  
Starting this function will
switch on the zero gas
valve as current gas valve.