HT instruments SIRIUS89N - Manual (Page 63)

SIRIUS89N
EN - 61
7.3. SOUND LEVEL MEASUREMENT PROCEDURE
This working mode allows to execute real time measurement of the Sound Pressure Level
and to get
1. Press this key to access to "
SOUND" mode.
2. Connect the Sound Level probe (class 1) to instrument using the original Serial
Optical cable (C2001) and the adapter.
SAVE
F1 F3 F4 F2
HOLD
ENTER
MENU ESC
START
STOP
Connection between HT55 and the instrument
3. Set the switch on the Sound Level probe to ON position.
CAUTION
The noise probe HT55 is not equipped with auto-power-off device, in order
to allow also long measurements. To maximize the battery duration put the
instrument ON only during the measurements.
4. Press
START/STOP to run the measurement. The message "HT55 no RS232"
means that the instrument is not correctly connected with the noise probe HT55.
Please check:
- the Sound Level Probe batteries.
- if the Switch on the Sound Level Probe in the ON position.
- if the cable and the adapter are correctly connected.
SOUND 05.06.01 Sound Pressure Level
Measurement Duration
SPL 84.2dB
Peak ----dB
Duration 0000:00:00
MEASURING...
PG+
During the
measurement the
instrument shows the
screen indicated to side.
The Peak value will be
available only at the end
of measurement.
START
STOP