Instruction manual
119
Speci cations
Applicable standards
NL-42 IEC 61672-1:2002 Class 2
ANSI S1.4-1983 Type 2
ANSI S1.4-1985 Type 2
ANSI S1.43-1997 Type 2
JIS C 1509-1:2005 Class 2
NL-52 IEC 61672-1:2002 Class 1
ANSI S1.4-1983 Type 1
ANSI S1.4-1985 Type 1
ANSI S1.43-1997 Type 1
JIS C 1509-1:2005 Class 1
NL-42/NL-52 CE marking, WEEE Directive, Chinese RoHS
Measurement function Simultaneous measurement of all items, using selected
time weighting and frequency weighting
Processing Sound level L
p
Equivalent continuous sound level L
eq
Sound exposure level L
E
Maximum sound level L
max
Minimum sound level L
min
Percentile sound level L
N
(1
to 99, 1-incre-
ment steps, max.
5 values, calcu-
lated from L
p
or
L
eq,1sec
)