Option: OB3 (1/1 & 1/3 Octave Band Mode)
OB3 Mode enables 1/1 & 1/3 octave logging, which can be added to a Spartan or SoundExpert Series 721 or 821 instrument.
Expert Choice: SoundExpertKey Product Features
Product Option: LD-X21-OB3
Included with 721IH-D & 821IH-D Packages
1/1 and 1/3 Octaves
1/1 Octaves: 8 Hz to 16 kHz
1/3 Octaves: 6.3 Hz to 20 kHz
ANSI S1.11-2014 Class 1 IEC 61260:2014 Class 1
A, C, or Z Frequency Weightings
Impulse, Fast or Slow, Lmin, Lmax
Use with Room Acoustics Mode
Frequency Time History
Log Time History Min, Max or Both
128 dB Full scale at Reference Range
Use with Dosimetry Mode
Visual Convenience: Accurate Identification
Obtain real-time 1/1 and 1/3 octave band data, allowing you to isolate and identify specific noise frequencies for targeted mitigation strategies.
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Feature Rich Settings
Adjust your settings to suit your measurement with frequency weight and time history settings.
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Control Your Meter Via Our App
Take full control of your device from a safe distance. Our Atlas App ensures you can remain away from the loud noise, but still control the measurement.
LD Atlas™ – Mobile AppG4 Utility & Reporting Software
Output your results, change settings and generate reports instantly from your PC using the G4 Utility software.
G4 Utility & Reporting Software
Why frequency logging is a must have?
The LD-X21-OB3 Frequency Analysis Option for the SoundExpert provides powerful 1/1 and 1/3 octave band analysis capabilities, making it an essential tool for pinpointing specific noise sources and conducting in-depth sound assessments. Whether you’re evaluating industrial noise, environmental monitoring, or workplace noise exposure, OB1 delivers detailed frequency analysis to help you make data-driven decisions effectively.
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