Equipment information

Brüel & Kjær 1625 Other
Manufacturer
Brüel & Kjær
Model 1625
Date 1985
Category Measurement instruments
Group Other
Description Octave Filter Set
Information
                                    1/3 - 1/1 Octave Filter Set Type 1625
A portable Band Pass Filter Set primarily intended for use
with Sound Level Meter Type 2230, 2231 or 2233. Permits
third-octave frequency analysis, and octave frequency
analysis with a step of octave or third-oc-tave. Fully
automatic recording of the analysis is possible with a Level
Recorder Type 2317, 2306 or Type 2309. The scanning of the
filter and the Level Recorder are fully controlled by the
Filter Set to obtain an optimal recording. Two scanning
speeds are available for analysis of levels measured with
"Slow” or "Fast" time weighting.
The selectable centre frequency range is from 20 Hz to 20
kHz and a linear position gives a frequency band from 3 Hz
to 75 kHz. The analysed signal may also be weighted by
selecting “A” or “C” frequency weightings on the Sound Level
Meter.

These manuals are available for the above equipment:

Manual Type User Manual BruelKJAER-9058-Manual-Page-1-Picture
Pages 25
Size 1.26 Mbytes (1321370 Bytes)
Language english
Revision
Manual-ID/Number
Date 01 May 1985
Quality Scanned document, all readable.
Upload date
MD5 11daa685a5ab991fcd660297c4a0f4e2
Downloads 222 since 26 May 2017
Information
NTRODUCTION AND SPECIFICATIONS (PRODUCT
DATA) ... 1
CONTROLS ... 5
OPERATION ... 9

3.1.
PRELIMINARY ... 9

3.2.	POWER
SUPPLY ... 10

Battery
check ... 10

Battery
repiacement ... 10

Mains Power supply and Charger ZG
0254 ... 11

3.3.	FREQUENCY
ANALYSIS ... 12

General
Measurements ... 12

Third-Octave Analysis
Recording ... 12

Octave Analysis
Recording ... 15

Frequency Analysis controlled by Level
Recorder ... 17

APPENDIX ... 
19 SERVICE AND
REPAIR ... 21
BruelKJAER-9058-Manual-Page-1-Picture


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