Sigicom 080-02850-0, Руководство пользователя

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2 Copyright ©Sigicom AB 2003-2014
Table of Contents
1 Introduction ..................................................................................... 4
1.1 About this manual ............................................................. 5
1.2 Features ............................................................................ 6
1.3 Unpacking and parts identification ................................... 7
1.4 Safety ................................................................................ 7
2 General description .................................................................... 8
3 Design features ......................................................................... 10
3.1 Acoustical quantities....................................................... 10
3.2 Frequency weightings ..................................................... 10
3.3 Time weightings ............................................................. 10
3.4 Level ranges.................................................................... 11
3.5 Display devices ............................................................... 11
3.6 Interval files .................................................................... 12
3.7 Transient file ................................................................... 12
4 Configuration and operation .................................................... 14
4.1 Random-incidence microphone ...................................... 14
4.2 Mounting ........................................................................ 15
4.3 Pressure reflection phenomena ....................................... 15
4.4 Parameters ...................................................................... 17
4.5 Measurements of low-level sounds ................................ 20
4.6 Quick Start ...................................................................... 21
4.7 Periodical testing ............................................................ 22
5 Consider this ............................................................................ 23
6 Post-processing of data ............................................................ 24
7 Maintenance and calibration .................................................... 25
8 Accessories .............................................................................. 26
8.1 Specific accessories:............................................................... 26
8.2 Other accessories: .................................................................. 28
9 Contact and support ................................................................. 29
Appendix A Specifications .............................................................. 30
A.1 Reference conditions (factory calibration) ............................ 30
A.2 Accuracy ............................................................................... 30
A.3 Linear operating range (sinusoidal signals) ........................... 31
A.4 Microphone ........................................................................... 31