Service Manual
UPO1000X Series
Instruments.uni-trend.com
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Safety Information
This manual contains information and warnings that must be followed to keep the instrument operating under safety
conditions.
General Safety Summary
Use the product only as specified. In order to use this instrument safely and correctly, please read this manual
thoroughly and keep it for future reference.
This product should be used under the local and national regulation.
For correct and safe operation of the product, it is essential that you follow gernerally accepted procedures in
addition to the safety precautions specified in this manual.
This product is only for trained personnel to use.
Only qualified personnel who are aware of the operation danger can remove the outer case for repair, maintenance or
adjustment.
Before use, always check the product with a known source to be sure it is operating correctly
This product is not suitable for measuring dangerous voltage.
Wearing personal safety equipemnt to prevent electric shock and electric arc blast where dangerous live conductors
are exposed.
You may need to read the safety section of other subassembly to learn the warning and note.
When this device is integrated into the system, the safety of this system is the responsibility of the system assembler.
To avoid fire hazard and personal injury
Use the power cord properly
You can only use the special power cord for the instrument approved by the
local and state standards.
Do not use the attached power cord to other
product.
Use the voltage setting
properly
Before power on, please ensure that the line selector is in the correct position
of the power supply being used.
Instrument grounding
This product is grounded through the grounding conductor of the power cord.
To avoid electric shock, the grounding conductor must be connected to earth
ground. Before making connections to the input or output terminals of the
product, ensure that the product is properly grounded. Do not disable the
power cord grounding connection.
Power switch disconnect
The power switch disconnects the product from the power source. See
instructions for the location. Do not position the equipment so that it is
difficult to disconnect the power switch; it must remain accessible to the user
at all times to allow for quick disconnection if needed.
Power cord disconnect
The power cord disconnects the product from the power source. See
instructions for the location. Do not position the equipment so that it is
difficult to disconnect the power switch; it must remain accessible to the user
at all times to allow for quick disconnection if needed.
Use correct AC adapter
Only use the sepcified AC adapter for this product.
Connect and disconnect properly
Do not connect or disconnect probes or test leads while they are connected to
a voltage source.
Use only insulated voltage probes, test leads, and adapters supplied with the
product, or indicated by UNI-T to be suitable for the product.
