B&K 2250 Light Manual do Utilizador descarregar pdf (Página 11)

Software Specifications – 1/1-octave Frequency Analysis Software for 2250 Light BZ-7131 and 1/3-octave

Frequency Analysis Software for 2250 Light BZ-7132

The specifications for BZ-7131 and BZ-7132 include the

specifications for Sound Level Meter Software for Light BZ-7130.

BZ-7131 and BZ-7132 add:

STANDARDS

Conforms with the following National and International Standards:

• IEC 61260 (1995–07) plus Amendment 1 (2001–09), 1/1-octave

Bands, Class 0

• ANSIS1.11–1986, 1/1-octave Bands and 1/3-octave Bands, Order 3,

Type 0–C

• ANSI S1.11– 2004, 1/1-octave Bands, Class 0

CENTRE FREQUENCIES

1/1-octave Band Centre Frequencies (BZ-7131 only):

16 Hz to 8 kHz

1/3-octave Band Centre Frequencies (BZ-7132 only):

12.5 Hz to 16 kHz

MEASUREMENTS

X = frequency weightings A, B, C or Z

Spectra for Display and Storage

Spectra for Display Only

Single Values

MEASURING RANGES

Dynamic Range: From typical noise floor to max. level for a pure

tone signal at 1 kHz 1/3-octave: 1.5 to 140 dB

Linear Operating Range: In accordance with IEC 61260:  20.5 dB

to 140 dB

MEASUREMENT DISPLAYS

Spectrum: One or two spectra superimposed + A/B and C/Z

broadband bars

Table: One or two spectra in tabular form

Y-axis: Range: 5, 10, 20, 40, 60, 80, 100, 120, 140 or 160dB. Auto

zoom or auto scale available

Cursor: Readout of selected band

Software Specifications – Logging Software for 2250 Light BZ-7133

The specifications for BZ-7133 include the specifications for Sound

Level Meter Software for 2250 Light BZ-7130. BZ-7133 adds:

MEASUREMENTS

Logging: Measurement data logged at pre-set periods into files on

external SD- or CF-cards

Logging Period: From 1 s to 24 hours with 1 s resolution

Fast Logging: L

and L

Aeq

can be logged every 100 ms,

irrespective of logging period

Broadband Data Stored at each Logging Interval: All, or up to 10

selectable broadband data

Broadband Statistics Stored at each Logging Interval: Full

distribution, or none

Spectrum Data Stored at each Logging Interval: All, or up to 3

selectable spectra (license for BZ-7131 or BZ-7132 required)

Logging Time: From 1 second to 31 days with 1 s resolution

Measurement Total: For the logging time, in parallel with logging:

All broadband data, statistics and spectra (license for BZ-7131 or

BZ-7132 required)

Automatic reboot and resume of operation in case of power failure

MARKERS

Five user-definable markers for on-line marking of noise sources or

events anywhere in the profile.

Markers are set using the stylus on the touch screen, or the three

marker pushbuttons

MEASUREMENT DISPLAYS

Profile: Graphical display of selectable measurement data versus

time. Fast display of next or previous marker, Profile Overview of

entire measurement

Y-axis: Range: 5, 10, 20, 40, 60, 80, 100, 120, 140 or 160dB. Auto

zoom or auto scale available

X-axis: Scroll facilities

Cursor: Readout of measurement data at selected time

STORAGE

Measurement data is stored on an external SD or CF memory card.

For availability, please refer to the Ordering Information

Software Specifications – Utility Software for Hand-held Analyzers BZ-5503

BZ-5503 is included with 2250 Light for easy synchronisation of data

between PC and 2250 Light. BZ-5503 is supplied on CD-ROM BZ-5298

ON-LINE DISPLAY OF 2250 LIGHT DATA

Measurements on 2250 Light can be controlled from the PC and

displayed on-line with the PC, using the same user interface on the

PC as on 2250 Light

DATA MANAGEMENT

Explorer: Facilities for easy management of Instruments, Jobs and

Projects (copy, cut, paste, delete, rename, create)

Data Viewer: View measurement data (content of projects)

Synchronisation: Projects can be synchronised between PC and

2250 Light

EXPORT FACILITIES

Excel: Projects (or user specified parts) can be exported to

Microsoft

Excel

Type 7810/12/15/16/20/25: Projects can be exported to Predictor

Type 7810, Lima Type 7812, Noise Explorer Type 7815, Acoustic

Determinator Type 7816, Evaluator Type 7820 or Protector Type 7825

2250 LIGHT SOFTWARE UPGRADES AND LICENSES

The utility software controls 2250 Light software upgrades and

licensing of the 2250 Light applications

INTERFACE TO 2250 LIGHT

USB ver. 1.1 or Hayes compatible GSM or standard analogue modem

PC REQUIREMENT

Operating System: Windows

2000/Windows

XP, Microsoft

.NET

Recommended PC: Pentium

III (or equivalent) processor,

128 Mbyte RAM, SVGA graphics display/adaptor, sound card, CD

ROM drive, mouse, USB, Windows

Xeq

XSmax

XFmax

XSmin

XFmin

SIL PSIL SIL3

Aeq (20-200Hz)

(BZ-7132 only)

1 2 ... 6 7 8 9 10 11 12

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