Simpson 886-2, Руководство оператора, Страница: 4 / 24

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Contents
1. INTRODUCTION .................................................................................. 7
1.1 General Description ........................................................................... 7
1.2 Specifications ..................................................................................... 7
1.3 Items Furnished With The Instrument ................................................. 9
1.4 Available Accessories ........................................................................ 9
2. INSTALLATION ................................................................................ 10
2.1 Unpacking And Inspection ............................................................... 10
2.2 Shipping ........................................................................................... 10
2.3 Service .............................................................................................. 10
2.4 Battery Installation Or Replacement ................................................ 10
2.5 Installation ........................................................................................ 10
2.5.1 Tripod or Strap Mounting .................................................................. 10
2.5.2 Remote Microphone Mounting ......................................................... 10
2.6 Care .................................................................................................. 11
3. APPLICATION ................................................................................. 11
3.1 Decibel Scale ...................................................................................11
3.2 Measurement And Exposure Standards .......................................... 11
3.3 Sound Fields .................................................................................... 13
3.3.1 Free Field .......................................................................................... 13
3.3.2 Reverberant Field ............................................................................. 13
3.3.3 Semi-Reverberant Field ................................................................... 13
3.4 Microphone Orientation .................................................................... 13
3.5 Effect Of Operator’s Presence .......................................................... 14
3.6 Windscreen ....................................................................................... 14
3.7 Meter Fluctuations ............................................................................ 15
3.8 Selecting A Weighting Characteristic ...............................................15
3.9 Impact Noise ..................................................................................... 15
3.10 Background Noise ............................................................................ 16
3.11 Dual Sound Sources ........................................................................ 16
4. OPERATING INSTRUCTIONS ......................................................... 16
4.1 Precautions ....................................................................................... 17
4.2 Operational Items And Features ...................................................... 17
4.3 Sound Level Measurements ............................................................ 19
4.4 Use With Auxiliary Equipment .......................................................... 20