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
Enhanced
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
, L
AF
or L
AS
••••
Broadband frequency range: 3 Hz – 20 kHz
••••
Remote control using Analogue or GSM modem
••••
Transfer of data files while measuring (USB or modem)
••••
Recording of measured signal during measurement •
a
•
a
•
a
•
a
1/1-octave spectra (centre frequencies 8 Hz to 16 kHz)
•
•
b
•
b
1/3-octave spectra (centre frequencies 6.3 Hz to 20 kHz)
••
b
•
b
Spectral statistics based on L
AF
or L
AS
••
b
•
b
Periodic reports of all measured data
•
Report period 1 min to 24 h
•
L
dn
, L
den
, L
day
, L
evening
, L
night
•
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
••
Recording of sound during noise events
•
a
•
a
a. If Sound Recording Option is enabled
b. If Frequency Analysis Software is enabled