B&K 2250 Light Manual de usuario Pagina 10

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Overview of Type 2250 Software Features
The table below presents a summary of the features of each of the software modules available
with Type 2250. See Specifications for details.
Feature
SLM
Software
Frequency
Analysis
Software
Logging
Software
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, C, Z (linear) and time weightings F, S, I
•••
Free-field/diffuse-field correction
•••
Automatic windscreen detection and correction
•••
Pre-set time start/stop
•••
Back-erase – last 5 seconds of measurement data
••
Multi-language user interface
•••
Context-sensitive help
•••
Voice and text annotation of measurements
•••
Display colour-schemes optimised for day, night, indoor and outdoor use
•••
Personal login – protects your personal setups from other users
•••
Broadband statistics based on L
Aeq
or L
AF
•••
Broadband frequency range: 3 Hz – 20 kHz
•••
1/1-octave spectra (centre frequencies 8 Hz to 16 kHz)
a
1/3-octave spectra (centre frequencies 6.3 Hz to 20 kHz)
••
a
Logging of all or selected broadband parameters and spectra
Logging period 1 s to 24 h
L
Aeq
and/or L
AF
logged every 100 ms
Profile display
Markers on profile display
Remote control using Compact Flash modem
•••
Transfer of data files while measuring (USB or modem)
•••
Recording of measured signal during measurement
b
b
b
Recording of sound during noise events
b
a. Only if Frequency Analysis Software is enabled
b. Only if Sound Recording Option is enabled
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