Spartan 821/721 Manual Octave Band Analysis Specifications A-24
A.4 Octave Band Analysis Specifications
In this section:
• Compliance/Standards Met
• OBA Filter Description
• OBA Measurement Range Specifications
• OBA Filter Shape Description
• OBA Filter Linearity Range
• Instrument Noise Levels With OBA
Compliance/Standards Met
OBA Filter Description
OBA Measurement Range Specifications
OBA Filter Shape Description
Filter shapes for this instrument meet the requirements of the standards listed on A.1.1
Compliance or Standards Met
Octave Filter Standards
IEC 61260-1:2014/Part 1, 1/1 and 1/3-Octave Bands, Class 1, Group X, all filters
ANSI/ASA S1.11-2014/Part 1, 1/1 and 1/3-octave Bands, Class 1, Group X, all filters
Bandwidth Filter Selections None, 1/1 octave, 1/3 octave
Filter Type Digital Filters with Base 10 center frequencies
Sample Rate 48,000 S/s
Reference Attenuation 0 dB
Reference Signal Level 0.5 Vrms
1/1 Octave Center Frequencies 8 Hz to 16 kHz (Base 10)
1/3 Octave Center Frequencies 6.3 Hz to 20 kHz (Base 10)
OBA Measurement Range 128 dB full scale at reference range and frequency
Measurement System Details
Specified Frequency Weighting is A, C, or Z independent of broadband
weightings
Specified Time Weightings/
Detectors
Follows meter setting for Time Weighting/Detector (S, F, or I) indicated by
Metrics A, C, Z
To Next Page
Loading...
