Agilent Technologies 55B AA User Manual

Introduction
36 Agilent 55B AA Spectrometer User’s Guide
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
C
2
H
2
(Acetylene)
Air
N
2
O (Nitrous Oxide)
Air purge
Instrument grade
>99.0% pure
Clean, dry, free of
oil
Instrument grade
>99.5% pure
Must be clean & dry.
Air filter to be used.
Allowed range
65-100 kPa
245-455 kPa
245-455 kPa
245-455 kPa
(9.5-14.5 psi)
(35-65 psi)
(35-65 psi)
(35-65 psi)
Recommended
75 kPa
350 kPa
350 kPa
(11 psi)
(50 psi)
(50 psi)
Normal flow
rate (L/min)
0-10
13.5-20
11-16
10
Other gas connections
Sample compartment: Push-on Air/N
2
O connector for burner
Push-on C
2
H
2
connector for burner

Agilent Technologies 55B AA Specifications

General

Brand	Agilent Technologies
Model	55B AA
Category	Measuring Instruments
Language	English