Sound Level Meter
2
With Windows software
AC/DC Signal Output
4. SPECIFICATIONS
Standard applied:
IEC61672-1 Class 2, ANSI S1.4 Type2.
Frequency range:
20Hz ~ 8KHz
Measuring level range:
30 ~ 130dB
Frequency weighting:
A / C
Microphone:
1/2 inch electret condenser microphone
Display:
Liquid Crystal Display
Digital display:
4 digits
Resolution: 0.1dB
Display Update: 0.5 sec.
Analog display:
50 segment bargraph
Resolution: 2dB
Display Update: 50 mS
Time weighting:
FAST (125mS), SLOW (1 sec.)
Accuracy:
±
1.4dB ( under reference conditions @ 94dB, 1KHz )
Dynamic range:
100 dB
Alarm function:
“OVER” is when input is more than upper limit of range.
“ UNDER ” is when input is Less than lower limit of range.
Data logging Capacity:
31,000 records
MAX/MIN hold:
Hold readings the Maximum and Minimum Value.
AC output
: 1 Vrms at FS ( full scale ).
DC output:
10mV / dB
Power supply:
Four IEC LR6P (AA-size) batteries
Power life:
About 30hrs ( alkaline battery )
Power consumption:
Approx. 0.3W
AC adapter:
Voltage 9 V
DC
( 8-10VDC Max )
Operation temperature :
0 to 40
°
C ( 32 to 104
°
F )
Operation humidity:
10 to 90%RH
Storage temperature :
-10 to 60
°
C ( 14 to 140
°
F )
Storage humidity:
10 to 75%RH
Dimensions:
272(L)
×
83(W)
×
42(H)mm; 10.7(L)
×
3.3(W)
×
1.6(H)inch