General Safety Overview; Safety Terms And Symbols - UNI-T UPO3000E Series User Manual

General Safety Overview

This instrument strictly complies with the GB4793 electronic measuring
instrument safety requirements and IEC 61010-1 safety standards during
design and manufacturing. Please understand the following safety preventative
measures, to avoid personal injury, and to prevent damage to the product or
any connected products. To avoid possible dangers, be sure to use this
product in accordance with the regulations.
Only trained personnel can perform the maintenance program.
Avoid fire and personal injury.
Use the correct power line: Only use the dedicated UNI-T power supply
appointed to the local region or country for this product.
Correct plug: Don't plug when the probe or test wire is connected to the
voltage source.
Ground the product: This product is grounded through the power supply
ground wire. To avoid electric shock, grounding conductors must be connected
to the ground. Please be sure that the product is properly grounded before
connecting to the input or output of the product.
Correct connection of oscilloscope probe: Ensure that the probe ground and
ground potential are correctly connected. Do not connect ground wire to high
voltage.
Check all terminal ratings: To avoid fire and the large current charge, please
check all the ratings and the marks on the product. Please also refer to the
product manual for details on the ratings before connecting to the product.
Do not open the case cover or front panel during operation.
Only use fuses with ratings listed in the technical index.
Avoid circuit exposure: Do not touch exposed connectors and components
after power is connected.
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Do not operate the product if you suspect it is faulty, and please contact
UNI-T authorized service personnel for inspection. Any maintenance,
adjustment, or replacement of parts must be performed by UNI-T authorized
maintenance personnel.
Maintain proper ventilation.
Please do not operate in humid conditions.
Please do not operate in flammable and explosive environment.
Please keep the product surface clean and dry.

Safety Terms and Symbols

The following terms may appear in this manual:
Warning: Indicate the conditions and behaviors that may endanger life.
Note: Indicate the conditions and behaviors that may cause damage to the
product and other properties.
The following terms may appear on the product:
Danger: Performing this operation may cause immediate damage to the
operator.
Warning: This operation may cause potential damage to the operator.
Note: This operation may cause damage to the product and other devices
connected to the product.
The following symbols may appear on the product: