25-2 Measurement History Model 831 Manual
Measurement History
The amount of memory utilized, in bytes, when storing each
measurement history block is calculated as follows:
• Base Size: 4948
• Additional Noise Dose Data: 68
• Additional Weather Data: 128
• Additional Spectral Ln Data: 288000
• Additional GPS Data: 32
• Additional Takt Maximal: 4
Time History
The amount of memory utilized, in bytes, when storing a
time history block is calculated as follows:
52 + (Number of records)*[16+4*(Number of parameters enabled)]
where Number of Records = Number of Samples + Number
of Run, Pause and Stop events
Events
The amount of memory utilized, in bytes, when storing each
noise event block without event time history data is
calculated as follows:
Basic Event Data
• Base Size: 90
• With 1/1 Octave Spectra Data : 186
• With 1/3 Octave Spectra Data: 378
• With 1/1 and 1/3 Octave Spectra Data: 474
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