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2-Safety information
5
● Always connect the power adapter first to the AC outlet before connecting it to the
Oscilloscope & Multimeter.
● Do not apply voltages that differ more than 400 V from earth ground to any input when
measuring in a CAT
Ⅱ
environment.
● Do not apply voltages that differ more than 400 V from each other to the isolated inputs
when measuring in a CAT
Ⅱ
environment.
● Do not apply input voltages above the rating of the instrument Use caution 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.
● Always use the Oscilloscope & Multimeter only in the manner specified.
● Voltage ratings that are mentioned in the warning are giver as limits for "working
voltage". The represent V ac rms (50-60Hz) for AC sine wave applications and as V dc
for DC applications. Overvoltage Category
Ⅱ
refers to local level , which is applicable
for appliances and portable equipment .
Only qualified technical personnel are permitted to perform maintenance.
Pay attention to the nominal values of all terminals: To avoid fire or electric shock, please keep
a watchful eye on all nominal values and marks specified for this product. Before any connection
performed on this product, carefully read the user's manual of the product for further information
of nominal values.
No operation is allowed without the instrument cover plate: If the cover plate or panel has
been removed, do not perform any operation on this product.
No touch is allowed on bare conductors: When the product is powered on, do not touch any bare
joints or parts of the scope meter.
Operation is prohibited in case of any undetermined failure: When in doubt any damage on
this product, consult the qualified personnel for checking on it.
Keep ventilation in good condition: Refer to the user manual for detail installation instructions
in order to fix this product correctly and provide it with good ventilation conditions.
No operation is allowed under a humid environment.
No operation is allowed under an explosive environment.
Keep clean and dry on the product surface.
Using the Oscilloscope & Multimeter in a manner not specified may impair the protection
provided by the equipment.
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