BRUEL & KJAER 2239 A - default chapter; Table of Contents

BB 1219 – 11
iii
Integrating Sound Level Meter Type 2239 A
User Manual
Contents
Chapter 1
Introduction
....................................................................................................................... 1
1.1 About this Manual ................................................................................................... 1
Summary of Contents .................................................................................. 1
Conventions Used in this Manual ................................................................. 2
1.2 Features................................................................................................................... 2
1.3 Parameters............................................................................................................... 3
1.4 Settings ................................................................................................................... 3
1.5 Memory................................................................................................................... 4
Set-up Memory ............................................................................................ 4
Buffer .......................................................................................................... 4
Records........................................................................................................ 4
Backlight...................................................................................................... 5
Chapter 2
Getting Started ................................................................................................................. 7
2.1 Fitting Batteries........................................................................................................ 7
Checking the Battery Level ........................................................................... 7
Replacing Batteries ....................................................................................... 9
The Back-up Battery ................................................................................... 10
2.2 Button Definitions.................................................................................................. 11
2.3 The Measurement Window.................................................................................... 13
2.4 Choosing the Language ......................................................................................... 15
Chapter 3
Taking Measurements
.................................................................................................. 17
3.1 Calibration............................................................................................................. 17
When to Calibrate...................................................................................... 17
Principle of Calibration ............................................................................... 17
Free- and Diffuse-Field Measurements........................................................ 18
Which Calibrators Can I Use? ..................................................................... 18
Calibrating Type 2239 A............................................................................. 18
3.2 Taking Measurements............................................................................................ 21
Manually Timed Measurements.................................................................. 21
Taking Preset-Period Measurements ........................................................... 22
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