CESVA SC-20e Manual Del Usuario página 35

SC-20e
User's manual
L
eqT
L
eqt
L
eq1''
Equivalent continuous sound pressure level. It is the linear average of
the square of the sound pressure during the time period of the
measurement (from Run to Stop), in decibels.
 
L 10 log
eqT

L
eqT
It is displayed every second. It can be A or C weighted. To display this
function turn selector 11 to the shunt position for selector 10 and
selector 10 to L .
eqT
Equivalent continuous sound pressure level during a period of time t, in
decibels.

L 10
eqt
It is displayed every t seconds. It can be A or C weighted. To display
this function turn selector 11 to the shunt position for selector 10 and
selector 10 to L
eqt.
The value of t can be programmed with the software application of the
Sound Level Meter. This is the only way to set this value.
To see the value of t programmed in the SLM turn de selector 11 to the
shunt position for selector 10 and selector 10 to L
maximum button. The integration period of time t followed by the
maximum value of the function will be shown on the screen.
Equivalent continuous sound pressure level during 1 second, in
decibels.
It is displayed every second. It can be A or C weighted. To display this
function turn selector 11 to the shunt position for selector 10 and
selector 10 to L .
eq1''
 
T
2
1 p (t)
  
dt
 
2
T p
 
0
0
 
T
   
 
L 10 log
E
 
T
0
 1)
t(i
2
1 p (t)
 

log dt

2
t
p

0
ti
Integration period:
Integration period:
10 minutes
33




and press the
eqt
5 seconds