B&K 2250 Light, User Manual, Page: 140 / 208

2250 Light – User Manual
130
Two Levels of Protection:
• Guest level: for viewing only
• Administrator level: for viewing and full control of the
instrument
Software Specifications – Sound Level Meter Software for 2250 Light BZ-7130
Conforms with the following National and International
Standards:
• IEC 61672–1 (2002–05) Class 1
• IEC 60651 (1979) plus Amendment 1 (1993– 02)
and Amendment 2 (2000–10), Type 1
• IEC 60804 (2000–10 ), Type 1
• DIN 45657 (1997–07)
• ANSI S1.4–1983 plus ANSI S1.4 A–1985 Amend-
ment, Type 1
• ANSI S1.43–1997, Type 1
Note: The International IEC Standards are adopted
as European standards by CENELEC. When this
happens, the letters IEC are replaced with EN and the
number is retained. 2250 Light also conforms to these
EN Standards
Input
CORRECTION FILTERS
For Microphone Type 4950 and 4952:
Correct the frequency response to compensate for
sound field and accessories
Accessories (Type 4950 only): None or Windscreen
UA-0237
Sound Field: Free-field or Diffuse-field (for Type 4952
only: 0° (Top) reference direction and 90° (Side)
reference direction)
Analysis
DETECTORS
Parallel Detectors:
On every measurement:
A- or B-weighted: (Switchable) broadband detector
channel with three exponential time weightings (Fast,
Slow, Impulse), one linearly averaging detector and
one peak detector
C- or Z-weighted: (Switchable) as for A- or B-
weighted
Overload Detector: Monitors the overload outputs of
all the frequency weighted channels
MEASUREMENTS
X = frequency weightings A or B
Y = frequency weightings C or Z
V = frequency weightings A, B, C or Z
U = time weightings F or S
Q = exchange rate 4, 5 or 6 dB
N = number between 0.1 and 99.9
For Storage: Full statistics
For Display and Storage:
Weather Data (requires connection to a weather
station):
Wind Dir. avg.
Wind Dir. min.
Wind Dir. max.
Wind Speed avg.
Wind Speed min.
Wind Speed max.
Amb. Temperature
Amb. Humidity
Amb. Pressure
Amb. Rain Gauge
Only for Display as Numbers or Quasi-analog Bars
Instantaneous Weather Data:
Wind Dir.
Wind Speed
Instantaneous GPS Data:
Latitude
Longitude
Start Time Stop Time Overload %
Elapsed Time L
Xeq
L
Yeq
L
XE
L
YE
L
Ceq
–L
Aeq
L
XSmax
L
XFmax
L
XImax
L
YSmax
L
YFmax
L
YImax
L
XSmin
L
XFmin
L
XImin
L
YSmin
L
YFmin
L
YImin
L
XIeq
L
YIeq
L
AIeq
–L
Aeq
L
AFTeq
L
AFTeq
–L
Aeq
Time Remaining
L
ep,d
L
ep,d,v
E
Dose% Proj. Dose% #VPeaks
(>NNNdB)
#VPeaks
(>137dB) #VPeaks
(>135dB) L
Vpeak
T
Vpeak
L
avUQ
TWA
TWA
v
DoseUQ% Proj. DoseUQ%
L
Aeq,T,mov,max
L
XS
L
XF
L
XI
L
YS
L
YF
L
YI
L
XS(SPL)
L
XF(SPL)
L
XI(SPL)
L
YS(SPL)
L
YF(SPL)
L
YI(SPL)
L
Vpeak,1s
L
AN1
or L
AUN1
L
AN2
or L
AUN2
L
AN3
or L
AUN3
L
AN4
or L
AUN4
L
AN5
or L
AUN5
L
AN6
or L
AUN6
L
AN7
or L
AUN7
Std.Dev.
L
Aeq,T,mov