Using The Min / Max Hold Function - TESTO 816-1 Instruction Manual

during the last measurement cycle was too high. This value
may be considerably higher than the actual value of the sound
level displayed. Therefore, "Over" may be signalled despite the
fact that a sound level within the normal framework of the
respective measurement range is shown. By contrast "Under" is
geared to the measured actual value and is therefore set when
the lower limit of the measurement range is undershot.
Carrying out a measurement
1. Switch the instrument on.
2. Set the measuring time
3. Set the frequency
4. Always aim the microphone directly at the sound source to be
measured (reference direction).
5.9.

Using the min / max hold function

Holding readings
> Press the
-
activated is displayed and held automatically.
> Press the
-
activated is displayed and held automatically.
> Press the
-
shown. The minimum value and maximum value since the
function was activated are automatically held.
> Press the
- The hold function is deactivated.
Resetting the hold function
> Hold down the
The recorded values are deleted.
(A / C)
key.
lights up. The maximum value since the function was
key again.
lights up. The minimum value since the function was
key again.
and flash. The current measurement value is
key again.
key for two seconds.
(FAST / SLOW)
5 Using the product
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