Table Of Contents - Castle group dBAir Operating Manual

Contents
Chapter 1 .................................................................. 1
Introduction ................................................................................................................................... 1
Chapter 2 .................................................................. 2
dBAir Models & Features........................................................................................................ 2
Safety ............................................................................................................................................................. 2
Safety Octave ............................................................................................................................................. 2
Environmental ............................................................................................................................................ 2
Environmental Octave ............................................................................................................................ 3
Safety & Environmental ......................................................................................................................... 3
Safety & Environmental Octave ......................................................................................................... 3
Consultant ................................................................................................................................................... 4
Microphone and Pre-Amplifier .............................................................................................. 5
Microphone Types ................................................................................................................................... 5
Microphone Polarisation ............................................................................................................. 6
Microphone Sensitivity ................................................................................................................. 6
Removal of Microphone ............................................................................................................... 7
Pre-Amplifier Removal & Fitting ........................................................................................................ 7
Microphone Extension Cable ..................................................................................................... 7
Certifiable Calibration ............................................................................................................................. 8
Chapter 3 .................................................................. 9
Measuring Sound........................................................................................................................ 9
Incidence Angle ......................................................................................................................................... 9
Pressure Field - (meeting ANSI Standards) ........................................................................ 9