Safety Symbol - UNI-T UDP3303C User Manual

WARNINGS
Please use the product properly as safety instructions to avoid injury or product damage.

Please use the approved power cord appointed to the local country for this product.

Static electricity will damage the instrument, so please test in the static-free area as far as
possible. Before connecting the wire to instrument, the static electricity should be
discharged by temporary grounding the internal and external conductors.

This product is grounded by the protective grounding wire of the power cord. If you
cannot determine whether the power cord is connected to the earth, connect the
grounded terminal of metal enclosure to the earth through a wire.

Never input voltage which exceeds the rated range into terminals of this product.

Do not operate the instrument when the instrument cover is opened.

Do not insert anything into the air vent, or damage may occur.

Do not connect the power cord before replacing the fuse or opening the shell to avoid
electric shock. Make sure the cover is tightly screwed before using the instrument.

Only use fuses that meet the model and rating value (T6.3AL, 250V for 110V/120V,
T3.15AL, 250V for 220V/230V).

Never touch exposed joints and components after connecting the power supply.

Please check the vents and fans regularly to ensure good ventilation is maintained during
use. Poor ventilation will cause high temperature, which will lead to instrument damage.

To avoid damage or injury, please do not use or store the meter in high temperature, high
humidity, flammable, and explosive environments.

To avoid dust or moisture affecting the performance of the instrument, please keep
surface clean and dry.

Do not expose the instrument to sunlight for long period.

Clean the tester casing with a damp cloth and mild detergent. Do not use abrasives or
solvents!

Do not operate the product if you suspect it is faulty, and please contact UNI-T authorized
service personnel for inspection. Only trained personnel can perform the maintenance
program.


Safety Symbol

On (Power)
Off (Power)
Alternating current
Earth (ground) TERMINAL of Casing
Earth (ground) TERMINAL
Caution, possibility of electric shock
Warning or Caution