B&K 2250 Light Manuel d'utilisateur télécharger pdf (Page 11)

Feature

SLM

Software

Frequency

Analysis

Software

Logging

Software

Enhanced

Logging

Software

Back-erase – last 5 seconds of measurement data



120+ dB Dynamic Range – no need for range switching



Sound levels up to 140 dB with supplied Microphone Type 4189



Sound levels up to 152 dB using Microphone Type 4191



IEC/ANSI SLM standards Type/Class 1



Frequency weightings A, B, C, Z (linear) and time weightings F, S, I



Free-field/diffuse-field correction



Automatic windscreen detection and correction



Preset time start/stop



Multi-language user interface



Context-sensitive help



Voice, metadata and text annotation of measurements



Display color-schemes optimised for day, night, indoor and outdoor use



Personal login – protects your personal setups from other users



Broadband statistics based on L

Aeq

, L

or L



Broadband frequency range: 3 Hz – 20 kHz



Remote control using GPRS/EDGE/3G modem



Transfer of data files while measuring (USB, LAN or modem)



Recording of measured signal during measurement 



Timers for automatic start of measurement



Occupational health parameters



Weather data and GPS input



Tone assessment



1/1-octave spectra (centre frequencies 8 Hz to 16 kHz)



†



†

1/3-octave spectra (centre frequencies 6.3 Hz to 20 kHz)



†



†

Spectral statistics based on L

or L



†



†

Loudness and Noise Rating results



†



†

Charge Injection Calibration (CIC)



Level triggers and recordings



Logging of all or selected broadband parameters and spectra



Logging period 1 s to 24 h



Aeq

, L

logged every 100 ms



Profile display



Profile overview of entire measurement



Markers on profile display



Recording of signal during noise events



Periodic reports of all measured data



Report period 1 min to 24 h



Timer trigger for recordings



, L

den

, L

day

, L

evening

, L

night



Continuous measurement



If Signal Recording Option is enabled

†

If Frequency Analysis Software is enabled

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B&K 2250 Light Manuel d'utilisateur Page 11

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