2
CONTENTS
1. GENERAL FEATURES................................................................................................................................. 4
How the instrument works.................................................................................................................................. 4
Main features of MODEL 30.............................................................................................................................. 6
Description of the MODEL 30............................................................................................................................ 7
Screen.................................................................................................................................................................. 9
Using the keyboard............................................................................................................................................. 9
2. USING THE MODEL 30.............................................................................................................................. 11
Material and literature....................................................................................................................................... 11
MODEL 30 power supply................................................................................................................................. 11
Connecting and disconnecting the preamplifier, using the extension cable and the outdoor kit....................... 12
3. Beginning a measurement............................................................................................................................. 13
Starting the MODEL 30................................................................................................................................... 13
Selecting the measurement mode...................................................................................................................... 14
Checking the MODEL 30................................................................................................................................. 14
Measuring in sound level meter mode .............................................................................................................. 16
Prior adjustments: Preferential screen and integration time.............................................................................. 16
Beginning a measurement................................................................................................................................. 18
Functions display.............................................................................................................................................. 18
Stopping and pausing the measurement............................................................................................................ 20
Consulting the measured data ........................................................................................................................... 20
Measuring in spectrum analyser mode.............................................................................................................. 20
Prior adjustments: Frequency weightings and Integration time........................................................................ 20
Beginning a measurement................................................................................................................................. 21
Functions display.............................................................................................................................................. 22
Stopping the measurement................................................................................................................................ 23
Consulting the measured data ........................................................................................................................... 23
Overload and over range indicator.................................................................................................................... 23
4. The MODEL 30 menu: Register management and configuration................................................................. 23
Accessing the menu .......................................................................................................................................... 24
The MODEL 30 menu ...................................................................................................................................... 24
Register management........................................................................................................................................ 24
Settings.............................................................................................................................................................. 25
Turning the MODEL 30 off.............................................................................................................................. 26
Precautions........................................................................................................................................................ 26
5. Saving results................................................................................................................................................ 28
Making a recording........................................................................................................................................... 28
Kinds of recording ............................................................................................................................................ 29
Recording in sound level meter mode............................................................................................................... 29
Recording in spectrum analyser mode.............................................................................................................. 30
View register..................................................................................................................................................... 30
Erase memory ................................................................................................................................................... 30
6. DATA TRANSFER...................................................................................................................................... 31
Data transference to a PC: Communication software........................................................................................ 31
The AC output: Recording calibrated measurements........................................................................................ 32
7. TECHNICAL SPECIFICATIONS ............................................................................................................... 33
Measurement range........................................................................................................................................... 33
Detector - Functions L
F
, L
S
and L
I
................................................................................................................... 33
Peak detector - L
pk
function............................................................................................................................... 34
Integrator - L
eq
and L
E
functions .......................................................................................................................34
Frequency weighting......................................................................................................................................... 34
AC output.......................................................................................................................................................... 35
Octave filters..................................................................................................................................................... 35
Microphone....................................................................................................................................................... 36
Diffuse field sensitivity (S)............................................................................................................................... 37
Directivity......................................................................................................................................................... 37
Reference conditions......................................................................................................................................... 38
Warm-up time................................................................................................................................................... 39
Temperature influence ...................................................................................................................................... 39