MA140
‐
en
‐
GB_V1.0
1/15
3
CAUTIONS
CAUTIONS
identify
conditions
and
actions
that
could
cause
DAMAGE
to
the
meter
or
equipment
under
test.
Do
not
expose
the
meter
to
extremes
in
temperature
or
high
humidity.
Safety
Symbols
that
are
typically
marked
on
meters
and
instructions
This
symbol,
adjacent
to
another
symbol,
indicates
the
user
must
refer
to
the
manual
for
further
information.
Risk
of
electrical
shock
Do
not
apply
or
remove
clamp
from
HAZARDOUS
LIVE
conductors
Equipment
protected
by
double
or
reinforced
insulation
Battery
symbol
Conforms
to
EU
directives
Do
not
discard
this
product
in
household
trash.
AC
measurement
DC
measurement
Earth
ground
PER
IEC1010
OVERVOLTAGE
INSTALLATION
CATEGORY
OVERVOLTAGE
CATEGORY
I
Equipment
of
OVERVOLTAGE
CATEGORY
I
is
equipment
for
connection
to
circuits
in
which
measures
are
taken
to
limit
the
transient
over
‐
voltages
to
an
appropriate
low
level.
Note
–
Examples
include
protected
electronic
circuits.
OVERVOLTAGE
CATEGORY
II
Equipment
of
OVERVOLTAGE
CATEGORY
II
is
energy
‐
consuming
equipment
to
be
supplied
from
the
fixed
installation.
Note
–
Examples
include
household,
office,
and
laboratory
appliances.
OVERVOLTAGE
CATEGORY
III
Equipment
of
OVERVOLTAGE
CATEGORY
III
is
equipment
in
fixed
installations.
Note
–
Examples
include
switches
in
the
fixed
installation
and
some
equipment
for
industrial
use
with
permanent
connection
to
the
fixed
installation.
OVERVOLTAGE
CATEGORY
IV
Equipment
of
OVERVOLTAGE
CATEGORY
IV
is
for
use
at
the
origin
of
the
installation.
Note
–
Examples
include
electricity
meters
and
primary
over
‐
current
protection
equipment
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