GW Instek SFG-830 User Manual User Manual
Page 5
p. 2 SFG-830
(5) Grounding
!
WARNING
To avoid electrical shock, the power cord protective grounding
conductor must be connected to ground.
SFG-830 can be operated only with an earth grounded AC power cord that connects
the case and ground well. This is to protect the user and the instrument from the risk
of shock hazard.
(6) Fuse Replacement
!
WARNING
For continued fire protection, replace fuse only with the
specific type and rating. Disconnect the power cord before
replacing fuse.
The fuse blows only if there is anything wrong with the instrument, and SFG-830 will
stop working under this situation. Please check the cause of it, then replace an
proper fuse as listed below. Be sure to use the correct fuse before changing the
applying voltage.
90V ~ 132V
: T 0.8A/250V
198V ~ 250V
: T 0.5A/250V
F101-102
: T1A/250V
F103-104
: T2A/250V
Check the line voltage setting on the rear panel. If the line voltage setting does not
match the one of your area, change the line voltage setting according to the following
steps:
1. Open the cover of AC socket with flat-blade screwdriver.
2. Remove cam drum, rotate to correct selection and reinsert.
(7) Cleaning the Cabinet
Disconnect the AC power cord before cleaning the instrument.
Use a soft cloth dampened in a solution of mild detergent and water. Do not spray
cleaner directly onto the instrument, since it may leak into the cabinet and cause
damage.
Do not use chemicals containing benzing, benzne, toluene, xylene, acetone, or
similar solvents.
(8) Operation environment
Indoor use
Altitude up to 2000m
Temperature to satisfy the specification : 18
o
C ~ 28
o
C (+64.4
o
F ~ +82.4
o
F)
Operating temperature :
0
o
C ~ 40
o
C (+32
o
F ~ +104
o
F)
Storage temperature :
-10
o
C ~ 70
o
C (+14
o
F ~ 158
o
F)
Relative humidity :
up to 90% when 0
o
C~35
o
C;
up to 70% when 35
o
C~40
o
C
Installation category：
II
Pollution degree：
2
(9) Place SFG-830 in a location of satisfied environment as stated above free from
dust, direct exposition of sunlight, and strong effect of magnetic fields.