6
START button
START
The START button is used to start tests.
The START button can be used to start
tests when the tester is in the READY
status. Pressing the START button will put
the tester in the TEST status.
POWER switch
POWER
Turns the power on. The safety tester will
always start up with the last test setting
from when the instrument was last powered
down.
1.6.3 STW-9901/9902/9903 Rear Panel
TO AVOID ELECTRIC SHOCK THE POWER CORD
PROTECTIVE GROUNDING CONDUCTOR MUST BE
ONLY WITH SPECIFIED TYPE AND RATED FUSE.
NO OPERATOR SERVICEABLE COMPONENTS INSIDE.
DO NOT REMOVE COVERS. REFER SERVICING TO
FOR CONTINUED FIRE PROTECTION. REPLACE
CONNECTED TO GROUND.
QUALIFIED PERSONNEL.
WARNING
AC
LINE VOLTAGE
100V
230V
220V
120V
SELECTION
207~250V
RANGE
90~110V
198~242V
108~132V
(50/60Hz)
250V
250V
T 10A
FUSE
T 6.3A
MAX.
1000VA
GND
ENSURE THE POWER IS REMOVED FROM
THE INSTRUMENT BEFORE REPLACING THE FUSE
POWER
SIGNAL I / O
RS232
GPIB
HIGH VOLTAGE
CAUTION
MAX.
6.0 kVDC
5.0 kVAC
RETURN
SER. NO. LB
Signal I/ O, RS232
& USB port
Fan vents
Fuse selector
Line voltage
Optional GPIB port
High voltage terminal
GND
Return
terminal
1.6.4 STW-9904 Rear Panel
TO AVOID ELECTRIC SHOCK THE POWER CORD
PROTECTIVE GROUNDING CONDUCTOR MUST BE
ONLY WITH SPECIFIED TYPE AND RATED FUSE.
NO OPERATOR SERVICEABLE COMPONENTS INSIDE.
DO NOT REMOVE COVERS. REFER SERVICING TO
FOR CONTINUED FIRE PROTECTION. REPLACE
CONNECTED TO GROUND.
QUALIFIED PERSONNEL.
WARNING
AC
LINE VOLTAGE
100V
230V
220V
120V
SELECTION
207~250V
RANGE
90~110V
198~242V
108~132V
(50/60Hz)
250V
250V
T 10A
FUSE
T 6.3A
MAX.
1000VA
GND
ENSURE THE POWER IS REMOVED FROM
THE INSTRUMENT BEFORE REPLACING THE FUSE
POWER
SIGNAL I / O
RS232
GPIB
GB Rx
SENSE H
SOURCE H
SENSE L
SOURCE L
RETURN
HI-POT
IR
HIGH VOLTAGE
CAUTION
MAX.
6.0 kVDC
5.0 kVAC
SER. NO. LB
High voltage terminal
Signal I/ O, RS232
& USB port
Fan vents
Fuse selector
Line voltage
Optional GPIB port
GND
Return, Sense
and Source
terminals