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NGA 2000
90003482(2) [NGA-e (MLT-Software 3.2.X)] 07/98
Main Menu — Analyzer and I/O-module expert configuration
↓↓
Analyzer module setup
↓↓
Range parameters
↓↓
Response times (t
90
)
↓↓
In the menu "Response Times" you can set up the response time (t
90
-time) for each range
of the current channel. To change to the other channels of an MLT analyzer or analyzer
module, you have to press the F3 key.
The response time (t
90
-time) is defined as the time that has to run until the analyzer
displays 90% of a component's concentration after a concentration jump.
Set up parameters:
♦ Select any line of variables with the ↓↓ -key or the ↑↑ -key.
♦ Select the variable with the 88 -key or the →→ -key.
♦ Select any digit with the ←← -key or the →→ -key and adjust a new value with
the ↑↑ -key or the ↓↓ -key
resp. select the whole value with the ↑↑ -key or the ↓↓ -key.
Options: 0.01 to 28 seconds for each range of a channel.
♦ Confirm the new value with the 88 -key
or cancel and go back to the last value with the F2 key.
Notes:
♦ The setup of the response time is limited to 0.1s by the calculators' rate of the analyzer.
♦ Normally, the response time should not be less than 2s.
♦ You should use a value of 2s minimum for calibrations.
♦ The response time of this menu is not the response time of the whole analyzer!
♦ If you will use the autoranging control (see p. 5-29 ), you have to set up the same
response time for all ranges of the current channel!
Measure Channel Back...
TAG
F1 F2 F3 F4 F5
95.00 ppm
-- Response Times --
Range -1: 2.00 s
Range -3: 2.00 s
Range -4: 2.00 s
Range -2: 2.00 s
Actual range number: 1
t90-time: 2.00 s
5.1 Analyzer Module Setup
5.1.3 Range parameters – Response times (t
90
)