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Svantek SV 973 User Manual

Svantek SV 973
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SVAN 973 User Manual Appendixes
202
If <6h-18h> option is selected for the <Day Time Limits> in the instrument then:
T
d
(day-time) starts from 6 am and ends at 6 pm,
T
e
(evening-time) starts from 6 pm and ends at 10 pm,
T
n
(night-time) starts at 10 pm and ends at 6 am.
If <7h-19h> option is selected for the <Day Time Limits> in the instrument then:
T
d
(day-time) starts from 7 am and ends at 7 pm,
T
e
(evening-time) starts from 7 pm and ends at 11 pm,
T
n
(night-time) starts at 11 pm and ends at 7 am.
Lday
Lday is calculated for: T
d
0, T
e
= 0, T
n
= 0.
( )
( )
=
d
T
2
0W
d
dtptr
T
1
log10Ld
Leve
Leve is calculated for: T
d
= 0, T
e
0, T
n
= 0.
( )
( )
+=
e
T
2
0W
e
dtptr
T
1
log01dB5Le
Lnight
Lnight is calculated for: T
d
= 0, T
e
= 0, T
n
0.
( )
( )
+=
n
T
2
0W
n
dtptr
T
1
log01dB10Ln
Lde
Lde is calculated for: T
d
0, T
e
0, T
n
= 0.
( )
+
+
=
10Le10Ld
1041012
412
1
log10Lde
Len
Len is calculated for: T
d
= 0, T
e
0, T
n
0.
( )
+
+
=
10Ln10Le
108104
84
1
log10Len
Lnd
Lnd is calculated for: T
d
0, T
e
= 0, T
n
0.
( )
+
+
=
10Ld10Ln
1012108
128
1
log10Lnd
Lden
Lden is calculated for: T
d
0, T
e
0, T
n
0.
( )
++
++
=
10Ln10Le10Ld
1081041012
4812
1
log10Lden
LEPd
Daily Personal Noise Exposure is the noise
exposure level for a nominal 8-hour working
day. The LEPd result is calculated on the
base of the LEQ
h8
T
T
log10LeqLEPd
e
+=
Ltm3 and Ltm5
The Ltm3 and Ltm5 results (Takt-Maximal Levels) are calculated according to the German
standard TA Lärm.

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Svantek SV 973 Specifications

General IconGeneral
BrandSvantek
ModelSV 973
CategoryMeasuring Instruments
LanguageEnglish

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