Model 90 Quantifier Sound Level Meter
Page 3
Preface ......................................................................................................................... 5
Messages and Symbols .................................................................................................. 5
Section 1 Introduction .................................................................................................. 6
Main Features ............................................................................................................... 6
Measurement Functions.................................................................................................. 6
Broadband Measurement Mode ....................................................................................... 6
1:1 & 1:3 Octave Band Measurement Mode ...................................................................... 7
Options & Accessories .................................................................................................... 7
Section 2 Getting Started ............................................................................................. 8
How to... ...................................................................................................................... 8
Make a 15 minute Broadband Measurement ................................................................................ 8
Make a 1:1 Octave Band Measurement over 1 minute .................................................................. 8
Make a 1:3 Octave Band Measurement over 5 minutes ................................................................. 8
Make a set of twenty four 1 hour measurements .......................................................................... 8
Quick Start ................................................................................................................... 9
Switch on ................................................................................................................................ 9
Calibrate the Sound Level Meter ................................................................................................ 9
Set the measurement duration ................................................................................................. 10
Check the measurement range ................................................................................................. 10
Change the measurement function ............................................................................................ 11
Start & Stop the measurement ................................................................................................. 11
Review the measurement ......................................................................................................... 12
Unpacking and checking the Sound Level Meter .............................................................. 13
Instruments Layout ..................................................................................................... 14
Installing the software ................................................................................................. 15
Assembly ................................................................................................................... 15
Preamplifier ............................................................................................................................ 15
Using Microphone Extension Cables ........................................................................................... 16
Batteries ................................................................................................................................ 16
Using an external power supply ................................................................................................ 17
Windshield ............................................................................................................................. 17
NK:70 Random Incidence Adaptor ............................................................................................. 17
Switching On .............................................................................................................. 18
Checking the Configuration of the Instrument ................................................................. 19
Time and Date ........................................................................................................................ 19
Measurement Range ................................................................................................................ 19
Measurement Mode ................................................................................................................. 20
Measurement Duration ............................................................................................................ 20
Measurement Auto Repeat ....................................................................................................... 21
Measurement Auto Synchronise ................................................................................................ 21
Configuring the instrument from the Analyser software................................................................ 21
Calibration .................................................................................................................. 22
Starting a measurement ............................................................................................... 23
Broadband Mode ..................................................................................................................... 23
1:1 Octave Band Mode ............................................................................................................ 23
1:3 Octave Band Mode ............................................................................................................ 24
Displaying the data during a measurement ..................................................................... 25
Broadband Mode ..................................................................................................................... 25
Pausing and Resetting a measurement ........................................................................... 26
Stopping the measurement ........................................................................................... 26
Viewing the stored measurements ................................................................................. 27
After a measurement has been stopped ..................................................................................... 27
Recalling stored measurements ................................................................................................ 27
Section 3 Configuring the Sound Level Meter ............................................................. 28
Keypad ...................................................................................................................... 28
Menu System .............................................................................................................. 28
Measurement Mode ..................................................................................................... 29
Broadband Mode ..................................................................................................................... 29
1:1 Octave Band Mode ............................................................................................................ 30