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DSO-2090 USB Manual
3
Precautions for Safety
The following instructions are provided for safe and correct use of the product
and to prevent a potentially dangerous situation or damage in advance. Be sure to
read through them before you use the product.
Recommended Usage Environment
The
ambient temperature and relative humidity should be 0-40℃ and
10-80% respective for the normal operation of the product.
Power Source
The USB terminal
and DSO-2090 USB are connected via a USB cable for
DC +5V power from the PC. The product does not require an outside power
source.
Warning: Be careful not to input e
xcessive power voltage
The product’s input power capacity is fixed as shown below to prevent
electric shock and/or fire. Please DO NOT use voltage higher than that
prescribed below.
(Warning) Be sure to check the probe attenuation before measuring the
voltage. The voltage that is higher than the maximum input voltage can
cause damage to the device and you. In particular, there is the risk of
an electric shock when measuring high voltage. So you need to pay
extra attention not to have your hand touch the terminal.
Please eliminate all unused probes or tester leads so that they do not come in
contact with surrounding high voltage parts.
Make sure that the PC’s power source is grounded.
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