Ⅰ. Safety Information - Tenma 72-7910 Manual

Ⅰ. Safety Information
72‐7610/72‐10510 oscilloscopes are designed and manufactured under the safety
requirements of IEC61010‐1 safety standards, and conforms to insulation and
overvoltage standards, CATII (150V or 300V depending on probe setting) and pollution
degree II safety standards. Please follow precautions below in order to avoid personal
injuries, product damages, or damages to any products connected with the instrument.
To avoid possible danger, please operate according to directions below.

Only professionals can execute the maintenance procedure.

Prevent fire and personal injuries.

Use the dedicated power lines recognized by your country.

Do not plug or unplug when the probe or test lead has been connected to voltage
source.

Ground product reliably to avoid electrical shock. The products are grounded via
power earth cord. Prior to connecting the input or output terminals of the products,
make sure the products are grounded correctly.

Correctly connect the oscilloscope probes. The probe earth cord and the ground are
of the same potential. Please do not connect the cord with high voltage source.

Check the rated values of all terminals. To avoid fire and electrical shock, please
check all rated values and remarks on products; before connecting the products,
check rated values in the manual.

Do not open the front panel or back case during operation.

Use proper fuses. Only use the specified fuses of the same specifications.

Avoid circuit exposure. Please do not contact with exposed plugs or elements after
powering on.

Stop operating when any product is suspected to be out of order and can ask the
qualified technician to inspect.

Keep proper ventilation.

Please do not operate in the humid environment.

Please do not operate in inflammable and explosive environments.

Please keep product surface clean and dry.
Symbols on products: such symbols may appear on products.
High voltage
Please check the manual
Protective ground terminal
Model 72‐7610/72‐10510 User Manual
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