EN - 22
7. TECHNICAL SPECIFICATIONS
7.1. FEATURE
Environmental conditions: temperature 23
℃
± 5
℃
, relative humidity < 80%.
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
preamplifier: 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)
Does%,Lxyp,Lxmax,Lxmin,Lxeq,SEL(LAE),PeakMAX,L
AVG,TWA,LEP,LN%
Measurement Items(SLM)
Lxyp,Lxmax,Lxmin,Lxeq,SEL(LAE),PeakMAX
Display Range
30dB to 90dB (L)
50dB to 110dB (M)
70dB to 140dB (H)
Primary RMS Range
@1KHZ
41dB to 86dB (L)
55dB to 106dB (M)
75dB to 125dB (H)
Maximum Peak C
Weighting Sound Level
Measurement
90~143 dB
Dynamic Range
60 dB
Accuracy ±1.4dB@94dB
/1KHZ
Internal memory
MAX Datalogger data
：
10000(NDM);999999(SLM)
Time Weighting
Fast, Slow, Impulse
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
107(L) x 65(W) x 33(H) mm
