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Introduction
Hollow cathode lamps
2 lamp positions, automatically selected.
WARNING
Shock Hazard
To maintain safety, only the hollow cathode-lamps should be used at this
connection.
Fuses
T4A H250 V, IEC 127 sheet 5, 5 x 20 mm (100-120 & 220-240 VAC)
Fuse information on the rear of the instrument is the most up to date.
NOTE
For safety reasons, any other internal fuse or circuit breaker is not operator
accessible and should be replaced only by Agilent trained and certified personnel.
Gas supplies
Comply with the gas supply requirements on the rear of the instrument, these are
the most current specifications.
Table 2. Gas supply requirements
Allowed range
Recommended 75 kPa
Normal flow
rate (L/min)
Other gas connections
Sample compartment: Push-on Air/N
36
C
H
(Acetylene)
Air
2
2
Instrument grade
Clean, dry, free of
>99.0% pure
oil
65-100 kPa
245-455 kPa
(9.5-14.5 psi)
(35-65 psi)
350 kPa
(11 psi)
(50 psi)
0-10
13.5-20
Push-on C
N
O (Nitrous Oxide)
2
Instrument grade
>99.5% pure
245-455 kPa
(35-65 psi)
350 kPa
(50 psi)
11-16
O connector for burner
2
H
connector for burner
2
2
Agilent 55B AA Spectrometer User's Guide
Air purge
Must be clean & dry.
Air filter to be used.
245-455 kPa
(35-65 psi)
10
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