Norsonic nor118, Инструкция по эксплуатации

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x Contents xi Norsonic Nor118
User Guide
Setting the storage mode .............................................................................80
Other setup aspects......................................................................................80
Chapter 17 Transfer of data to a PC
Transfer of data to a  ................................................................................81
Chapter 18 Technical specifications
Type of instrument ......................................................................................82
Analogue inputs...........................................................................................82
Microphone input socket.............................................................................83
Highpass filter .............................................................................................83
Analogue to digital conversion....................................................................83
Frequency weightings ..................................................................................83
Level detector ..............................................................................................83
Time weightings and measured functions...................................................84
Level distribution.........................................................................................84
Indication range...........................................................................................84
Self-noise levels............................................................................................84
Field calibration...........................................................................................85
Measurement duration and resolution.........................................................85
Total range for measurement of A-weighted levels .....................................85
Total range for measurement of C-weighted levels .....................................85
Total range for measurement of Z-weighted levels .....................................85
Measurement range for C-weighted peak levels..........................................86
Power supply ................................................................................................86
Display .........................................................................................................86
Keyboard......................................................................................................86
Adjustment of indicated levels.....................................................................86
Windscreen..................................................................................................87
High levels ...................................................................................................87
Preamplifier attenuation ..............................................................................88
Self-noise compensation ..............................................................................89
Diffraction around the instrument casing ...................................................89