Hioki IR3455, Instruction Manual

Page: 18 / 184

Operating Precautions
12
This indicates the degree of protection provided by
the enclosure of the device against use in hazard-
ous locations, entry of solid foreign objects, and the
ingress of water.
4: Protected against access to hazardous parts with
wire measuring 1.0 mm in diameter. The equipment
inside the enclosure is protected against entry by
solid foreign objects larger than 1.0 mm in diameter.
0: The equipment inside the enclosure is not pro-
tected against the harmful effects of water.
• This instrument is designed for use indoors.
It can be operated at temperatures
between -10 to 50°C (14 to 122°F) without
degrading safety.
• To avoid damage to the instrument, protect
it from physical shock when transporting
and handling. Be especially careful to avoid
physical shock from dropping.
• If the protective functions of the instrument
are damaged, either remove it from service
or mark it clearly so that others do not use it
inadvertently.
• Touching any of the high-voltage points
inside the instrument is very dangerous.
Customers are not allowed to modify, disas-
semble, or repair the instrument. Doing so
may cause fire, electric shock, or injury.
• Place the cover on the instrument when not in
use.
• To avoid damage to the instrument, do not
connect an external device to the USB termi-
nal or the temperature sensor terminal.
• The cable is hardened under the 0 degree
or colder environment. Do not bend or pull
it to avoid tearing its shield or cutting cable.
• This instrument is not drip-proof. Water
droplets on the grip or connector may result
in malfunctions.
• The protection rating for the enclosure of
this device (based on EN60529) is *IP40.