27
Setting the measurement range
The measurement range is switched using the
button.
Level:
The
testo 816
sound level meter covers the range 30 to 130 dB.
The measurement ranges 30 to 80, 50 to 100 and 80 to 130 dB
are available as well as an Auto Range function. The meter is in
the middle measurement range 50 to 100 dB when first switched
on. The measurement range is switched each time to a higher
level by activating the "
LEVEL
" button: 50...100dB
80...130dB
Auto range. You can switch back into the lowest range 30 to 80
dB from the Auto Range mode.
MAX/MIN - Hold Function
Use the
button to activate the Max Hold or Min Hold
function. "
Max
" appears in the display once the "
Max/Min
" button
is activated. In this mode, the meter shows the maximum value of
the sound level since the max mode was set. The display is only
updated if a higher value than the previously displayed value is
measured. The meter goes into the Min-Hold mode when the
"
Max/Min
" button is activated again. "
Min
" appears in the display.
The display is only updated if the sound level is below the
displayed value.
Max/Min
flashes in the display if the "
Max/ Min
"
button is activated again. The current value is displayed and the
maximum or minimum value is stored in this mode. The maximum
or minimum value is displayed by again activating the "
Max Min
"
button. The "
Max Min
" button must be kept pressed for two
seconds in order to quit the Max Min mode.
The Max-Min mode is cancelled by activating the Level,
Fast/Slow or A/C button.
5. Operation
