4
the voltage, current and resistance;
Operator must know during the high-voltage test, high voltage is generated form high
voltage output port, after flowing from device under test(DUT), by the end of RETURN
cable into the tester inner; If you touch any of the items, it will be caused high-voltage
electric shock.
（
2
）
Safety Rules
The operator must go through special training to understand the various safety
procedures and safety requirements of the test, read carefully of the manual before
operating of this tester.
（
3
）
Dress
The operator can not wear clothes decorated with metal or wear metal accessories, such
as watches, metal bracelets. Non-cardiac patients or those who wear a pacemaker can
not operate the tester.
6.Check power supply voltage
（
1
）
Input supply voltage apparatus
This instrument uses 120V AC ± 10%, 47 ~ 63Hz single phase power.
WARNING: To prevent malfunction or damage to tester, please use the tester in the
specified voltage range.
7. Check and replace fuses.
Warning
：
In order to avoid the accident of electric shock, before the replacement of the fuse, please
turn off the power switch and unplug the power.
Ensure the specifications and characteristics of the used fuse is proper with the user
manual list.
1.7.2 Fuse Replacement
Input voltage range
Frequency range
Fuse
108V-132V
47Hz
～
63Hz
8A
