Introduction
Agilent Graphite Tube Atomizer GTA 120 User’s Guide 19
Surge current (Courant de surcharge)
Rated firing consumption 40 A
NOTE
The GTA will draw surge currents in excess of the nominal rating of 15 A
(3500 VA). Surges in the GTA accessory depend on the choice of ramp rate and
programmed temperature and may be up to 40 A for approximately 1 second,
reducing to about 20 A for up to 10 seconds, perhaps repeating every 1 to 2
minutes.
Electrical Connections
Mains power cord connector:
Australia: Clipsal 439D15M
USA: Complies with NEMA L6-30P (Hubbel#2621)
Europe: Kaiser CEBEC 616 VDE (complies with DIN 49441R2)
NOTE
The GTA 120 has a captive cable.
25 pin D-range type (for Programmable Sample Dispenser) is located
in the instrument power supply compartment.
NOTE
To access this 25 pin connector you must open the GTA power supply door .
IEEE-488 is at the rear of the instrument.
Zeeman furnace: CPC 14-way connection into the left hand side panel
of a Zeeman spectrometer (behind the exterior panel).
Gas Supplies
An inert gas is always needed at the ‘Normal’ gas inlet to the GTA.
This gas is used to shroud the hot graphite components and prevent
oxidation.
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