UNI-T UT15B PRO - Page 5

UT
15
B
PRO
/
UT
17
B
/
UT
18
B
PRO
User Manual UT
15
B
PRO
/
UT
17
B
/
UT
18
B
PRO
User Manual
V
.
Electric
Symbols
TESTING
IN
CAT
lll
/
IV
MEASUREMENT
LOCATIONS
Ensure the
test
lead shield
pressed
firmly
in
place
.
Failure
to
use
the
CAT
lll
/
IV
shield increases
arc
-
flash
risk
.
Direct
current
Alternating
current
u u
u
I I
I I I I
Earth
(
ground
)
TERMINAL
Equipment protected
throughout
by
DOUBLE
INSULATION
or
REINFORCED INSULATION
U
TESTING
IN
CAT
II
MEASUREMENT
LOCATIONS
CAT
II
shields
may
be removed
for CAT
II
locations
.
This allow
testing
on
recessed conductors such
as
standard
wall outlets
.
Take
care
not to
lose the shields
.
£
Caution
,
possibility
of
electric shock
Warning
or
Caution
C
Comply
with
European
Union standards
Conforms
to
UL
STD
61010
-
1
,
61010
-
2
-
030
,
61010
-
2
-
033
,
Certified
to
CSA STD C
22.2
No
.
61010
-
1
,
61010
-
2
-
030
,
61010
-
2
-
033
i
r
1
US
Intertek
4007682
It
is
applicable
to test
and
measuring
circuits connected
to
the distribution
part
of
the
building
'
s
low
-
voltage
MAINS
installation
.
CAT
III
It
is
applicable
to test
and
measuring
circuits connected
at
the
source
of
the
building
’
s
low
-
voltage
MAINS
installation
.
CAT
IV
8
7