
10
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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