BSWA 309 - Page 12

BSWA 308/309 BSWA Technology Co., Ltd
10
GB/T 3241-2010, IEC 61260-1:2014
ANSI S1.11-2004. Base 10 system.
GB/T 3241-2010, IEC 61260-1:2014
ANSI S1.11-2004. Base 10 system.
Supplied
Microphone
MPA231T: 1/2” prepolarized
measurement microphone, Class
1. Sensitivity: 40mV/Pa. Frequency
Range: 3Hz~20kHz.
MPA309T: 1/2” prepolarized
measurement microphone, Class
2. Sensitivity: 40mV/Pa. Frequency
Range: 20Hz~12.5kHz.
Mic Interface
TNC connecter with ICCP™ (IEPE Type) power supply (4mA)
Detector / Filter
Fully float-point digital signal processing (digital detector and filter）
Integral Period
Infinite or 1s~24h user define integral period.
Repeat time: Infinite or 1~9999
Logger Step
0.1s, 0.2s, 0.5s, 1s~24h
Measurement
Functions
L
XY(SPL)
, L
Xeq
, L
Xeq1s
, L
XIeq
, L
XYSD
, L
XSEL
, L
XE
, L
XYmax
, L
XYmin
, L
XPeak
, L
Day
,
L
Evening
, L
Night
, L
dn
, L
den
, L
XYN
. Where X is the frequency weighting: A, B,
C, Z; Y is time weighting: F, S, I; N is the statistical percentage: 1~99.
3-Profile and 14 custom define measurement are calculate in parallel
with different frequency/time weighting. (All above are optional functions,
except for L
XY(SPL)
, L
Xeq,
L
XYmax
, L
XYmin
, L
XPeak
)
24h Measurement
Automatic measurement based on user define date/time and save the
history data
Frequency
Weighting
Parallel A, B, C, Z (It can also be applied to 1/1 and 1/3 Octave)
Time Weighting
Parallel F, S, I and Peak detection
Self-Noise
2
Sound: 19dB(A), 25dB(C), 31dB(Z)
Electrical: 13dB(A), 17dB(C), 24dB(Z)
Sound: 20dB(A), 26dB(C), 31dB(Z)
Electrical: 14dB(A), 19dB(C), 24dB(Z)
Upper Limit
2
136dB
Increase to 154dB with 5mV/Pa
Microphone
136dB
Increase to 154dB with 5mV/Pa
Microphone
Frequency
Response
1
10Hz~20kHz
20Hz~12.5kHz