Atec Bruel-Kjaer-2250-2270 User Manual
Page 11
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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
AF
or L
AS
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
AF
or L
AS
†
†
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
L
Aeq
, L
AS
, L
AF
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
dn
, L
den
, L
day
, L
evening
, L
night
Continuous measurement
*
If Signal Recording Option is enabled
†
If Frequency Analysis Software is enabled