
Technical Specifications
NOTE
: Environmental conditions: temperature 23° C ± 5° C, relative humidity < 80%
rh
.
Display
Single LCD MAX reading 999999
Display Refresh Rate
1 Time/sec
Standards
IEC 61252-1993
IEC 61672-1-2003
ANSI S1,25-1992
ANSI S1,4-1983
ANSI S1,43-1997
Microphone(ST-130S)
1/2” pre-polarized condenser microphone
build in preampli
fi
er: 1V/Pa@250HZ,
frequency range: 20 Hz~12.5 kHz, Thermal
noise: <25 dB(A)
Microphone(ST-130)
1/2 inch Electret condenser microphone
Measurement Items(NDM)
Doses%, Lxyp, Lxmax, Lxmin, Lxeq,
SEL(LAE), Peak, LAVG, TWA, LEP, LN%
Measurement Items(SLM)
Lxyp,Lxmax,Lxmin,Lxeq,SEL(LAE),Peak
Measurement Range
30dB to 130dB (A)
35dB to 130dB (C)
40dB to 130dB (Z)
Dynamic Range
60 dB
Accuracy
±1.5dB@94dB 1KHZ
Internal memory
MAX Datalogger data 10000(NDM);
1000000(SLM)
Maximum Peak C Weighting
Sound Level Measurement
90~143 dB
Time Weighting
Fast, Slow, Impulse, Peak
Frequency Weighting
A/C/Z
Frequency Range
20Hz~8KHz
Starting Time
10 Second
Battery Life(ST-130)
24 hours ( 9V
×
1 battery Alkaline )
Battery Life(ST-130S)
20 hours ( 9V
×
1 battery Alkaline )
Dimensions
113(L) x 65(W) x 34(H) mm
26