Clarus 600/680 User’s Guide
4-9
The default setting is 200 milliseconds. To improve the signal-to-noise, change
the setting to 800 milliseconds. This improves the noise but broadens the peak
shapes. If you want a faster detector response, change the setting to 50
milliseconds; however, the noise level may increase.
5. Touch the Set Point dialog box for the FID Flameout; and then use the up and
down arrow or keypad
buttons to enter a flameout detection level
in mV (for example 0.3 mV).
NOTE: You must set a Flameout value in millivolts (mV) for the FID auto-ignition feature to
work. For example, 0.3 mV.
Flameout detection occurs 0.5 minutes into the PRE-RUN time and measures
the user-entered baseline threshold level in mV. In this example 0.3 mV is used.
If the 0.3 mV threshold level is exceeded, the flame is considered lit; otherwise,
the auto-ignite sequence begins to automatically ignite the flame.
6. Touch the Set Point dialog box for the Air flow and use the plus and minus
buttons to set the FID Air flow to 450 mL/min.
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