B&K 2250 Light Instrukcja Użytkownika Pobierz pdf (Strona 8)

Overview of Type2250-L Software Features

The table that follows presents a summary of the features of each of the software modules available with

Type 2250-L. See Specifications for details.

Feature

SLM

Software

1/1-octave

Frequency

Analysis

Software

1/3-octave

Frequency

Analysis

Software

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 4950



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



Preset time start/stop



Multi-language user interface



Context-sensitive help



Broadband statistics based on L

Aeq

, L

or L



Broadband frequency range: 5 Hz – 20 kHz



Remote control using Analogue or GSM modem



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



Recording of measured signal during measurement – 16 or 24 bit 



Timers for automatic measurement start (with Signal Recording Option)



Occupational health parameters



Weather data and GPS input



Tone assessment



Loudness and Noise Rating results



†



†

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



’

1/3-octave spectra (centre frequencies 12.5 Hz to 16 kHz)



†

Charge Injection Calibration (CIC)



Recording of signal during noise events (key or ext. signal)



Logging of all or selected broadband parameters and spectra



Logging period 1 s to 24 h, Logging time up to 31 d



Aeq

, L

logged every 100 ms



Profile display



Profile overview of entire measurement



Markers on profile display



If Signal Recording Option is enabled

†

If 1/1- or 1/3-octave Frequency Analysis Software is enabled

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

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B&K 2250 Light Instrukcja Użytkownika Strona 8

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