Agilent Technologies 7820A

156
Agilent 7820 GC Service
using the data system or press [Start] on the GC.
If performing a manual injection (with or without a data
system):
a Press [Prep Run] to prepare the inlet for splitless
injection.
b When the GC becomes ready, inject 1 µL of the checkout
sample and press [Start] on the GC.
The following chromatogram shows typical results for a new
detector with new consumable parts installed.
Typical values
The following are typical values for the detector results. The
results for a detector depend on site preparation related factors.
These are not pass/fail criteria.
Table 5.
FPD S filter
Typical range after
24 hours
Limits at
installation
MDL (pg/sec)
5 to 9
≤ 9
Peak area
5000 to 15000
≥ 5000
Signal height
2500 to 6000
--
Noise
2 to 4
≤ 5
Half-width
(min)
0.06 to 0.08
--
Output
34 to 65
≤ 70