PerkinElmer PINAACLE 900 Series, Customer Hardware And Service Manual

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168
Preparing the System
Table 5-2. Required Pressures for the Furnace Gases
• Set the outlet gauge pressure for each gas to a value just below the
maximum value (see Pmax column).
• Never set the outlet gauge pressure to a value exceeding the maximum
pressure (see Pmax column).
Installing the Lamps
The spectrometer has an eight position motor controlled lamp selector, and is
designed to hold eight PerkinElmer Lumina hollow cathode lamps (HCLs) or two
electrodeless discharge lamps (EDLs) and six PerkinElmer Lumina hollow cathode
lamps (HCLs). With the exception of the PinAAcle 900Z model, the spectrometer
also comes with a background corrector deuterium lamp (D
2
).
For information on lamp maintenance and cleaning see Nebulizer Removal and
Reinstallation on page 230 .
Warning: Toxic Gases
If you use nitrogen as the inert gas, toxic cyanogens gas (CN)
2
will be
produced when the furnace temperature is above 2300 °C.
Make sure that the main laboratory fume ventilation system removes all
gases and fumes emitted by the furnace.
!
Warning