NF FRA51602, Инструкция по эксплуатации

Страница: 8 / 286

Safety Precautions
iv
FRA 51602

Do not modify this product.
Never modify this product in any way. Modification might create new risks. The NF Corporation may
refuse to service an instrument that has an unauthorized modification.

Do not expose this product to water.
Use of this product when it is wet may result in electrical shock or fire. If the instrument becomes wet,
immediately unplug the power cord and contact the NF Corporation or its authorized agent.

If lightning occurs nearby, turn off the power switch and unplug the power cord.
A lightning strike may cause electrical shock, fire, or instrument malfunction.

Safety related symbols
The marks and codes defined below are used in this manual or on the instrument itself to indicate
safety information or instructions.
！
Instruction manual reference symbol
This notifies the user of a potential hazard and indicates that the user must
refer to the instruction manual.
Electric shock danger symbol
This symbol indicates a location that presents a risk of electric shock under
specific conditions.
Warning symbol
This contains information to avoid risks when handling the equipment that
could result in the death or serious injury of the operator.
Caution symbol
This contains information to avoid risks when handling the equipment that
could result in minor or moderate injury of the operator or damage to
property.

Other symbols
Indicates that the "ON" position of the power switch
Indicates the "OFF" position of the power switch
Indicates that the outer conductor of the connector is connected to the instrument
enclosure.
Indicates that the outer conductor of the connector is insulated from the instrument
enclosure.
However, safe operation of the instrument requires that the potential difference from the
grounding potential is restricted to 42 Vpk or less.
Indicates that the outer conductor of the connector is insulated from the instrument
enclosure.
However, the potential difference from ground or from the line neutral point must be 600
V or less and restricted to MEASUREMENT CATEGORY II at the mains.
This product is grounded when in use, so the electrical potential of the instrument enclosure is equal to
the ground potential.
！
CAUTION
！
WARNING
600V
CAT II
42Vpk