Owon SDS Series Service Manual page 8

Warning:
To avoid fire or electrical shock if a test tool input is connected to more 42V peak (30Vrms)
or on circuits of more than 4800VA:
Use only insulated voltage probes, test leads and adapter supplied with the test tool, or
indicated by OWON as suitable for the Oscilloscope & Multimeter.
Before use, inspect voltage probes, test leads and accessories for mechanical damage and
replace when damaged.
Remove all probes, test leads and accessories that are not in use.
Remove all the PC communication connection.
Do not apply input voltages above the rating of the instrument. Please be careful when
using 1:1 test leads because the probe tip voltage will be directly transmitted to the
Oscilloscope & Multimeter.
Do not use exposed metal BNC or banana plug connectors.
Do not insert metal objects into connectors.