Agilent Technologies 240 Series AA, User Manual

Page: 36 / 64

Introduction
36 Agilent 240/280 Series AA (including Zeeman)
Non-Zeeman
240 series AA
T2.5 A H250 V, IEC 127 sheet 5, 5 x 20 mm (100–120 & 220–240 VAC)
280FS AA
T4 A H250 V, IEC 127 sheet 5, 5 x 20 mm (100–120 & 220–240 VAC)
Zeeman
240Z/280Z AA
15 A long delayed-action circuit breaker with a thermal cutout.
T3.15 A H 250 V, IEC 127 sheet 5, 5 x 20 mm (208–240 VAC)
T3.15 mA L 250 V, IEC 127 sheet 2, 5 x 20 mm (208–240 VAC)
T1 A L 250 V, IEC 127 sheet 2, 5 x 20 mm (208–240 VAC)
T6-3 AL 250 V, IEC 60127-2 sheet 3, 5 x 20
T800 mA L 250 V, IEC 127 sheet 2, 5 x 20 mm (208–240 VAC)
NOTE
For safety reasons, any other internal fuse or circuit breaker is not operator
accessible and should be replaced only by Agilent field service engineers.
Fuse information on the rear of the instrument is the most up to date.
Gas supplies
C
2
H
2
Air N
2
O Air purge
Instrument grade
>99.5% pure
Must be clean and
dry. (Air filter to be
used if required)
Instrument grade
>99.5% pure
Allowed range 65–100 kPa
(9.5–14.5psi)
245–455 kPa
(35–65 psi)
245–455 kPa
(35–65 psi)
245–455 kPa
(35–65 psi)
Recommended 75 kPa (11 psi) 350 kPa (50 psi) 350 kPa (50 psi)
Typical flow rate 0–10 (L/min) 13.5-20 (L/min) 11–16 (L/min) 10 (L/min)
Connection 1.8 m (6 ft) length
of 6.3 mm (1/4 in)
ID red hose with
9/16 in-18UNF L/H
thread fitting#
1.8 m (6 ft) length
of 6.3 mm (1/4 in)
ID black hose with
9/16 in-18UNF
fitting#
1.8 m (6 ft) length
of 6.3 mm (1/4 in)
ID blue hose with
3/4 in-16UNF
fitting#
Barb to take
6.3 mm (1/4 in)
hose
# Adaptors are available
Other gas connections
Sample compartment: Push-on Air/N
2
O connector for burner
Push-on C
2
H
2
connector for burner