TESTO 816-1 User Manual

5 Using the product
19
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 (FAST / SLOW)
3. Set the frequency (A / C)
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 key.
- lights up. The maximum value since the function was
activated is displayed and held automatically.
> Press the key again.
- lights up. The minimum value since the function was
activated is displayed and held automatically.
> Press the key again.
- and flash. The current measurement value is
shown. The minimum value and maximum value since the
function was activated are automatically held.
> Press the key again.
- The hold function is deactivated.
Resetting the hold function
> Hold down the key for two seconds.
The recorded values are deleted.

TESTO 816-1 Specifications

General

Accuracy	1.4 dB
Resolution	0.1 dB
Control type	Buttons
Product type	Digital
Product color	Black
Time weighting	Fast, Slow
Frequency range	20 - 8000 Hz
Measuring range	30 - 130 dB
Min/max function	Yes
Backlight display	-
Frequency weighting	A-weighting, C-weighting
Storage temperature (T-T)	-10 - 60 °C
Operating temperature (T-T)	0 - 40 °C
Operating relative humidity (H-H)	10 - 90 %
Battery type	AA
Power consumption (typical)	0.3 W
Number of batteries supported	4

Weight and Dimensions

Depth	42 mm
Width	83 mm
Height	272 mm
Weight	390 g