Configuration |
AWA5661-1 |
AWA5661-1A |
AWA5661-1B |
AWA5661-1C |
Characteristic |
Precision pulse |
Broad band |
Low noise measurement |
High noise measurement |
Execution standard |
GB/T 3785-2010/IEC 61672-1:2013 class 1 |
Microphone model |
AWA14425 |
AWA14423 |
AWA14411 |
AWA14435 |
Microphone sensitivity level |
-30 dB |
-28 dB |
-22 dB |
-50 dB |
Measurement limit |
>140 dB |
>138 dB |
>132 dB |
>160 dB |
Authigenic noise |
<17 dB(A) |
<15 dB(A) |
<9 dB(A) |
<37 dB(A) |
Right of frequency meter |
A、C、Z、B |
Frequency range |
10 Hz~16 kHz |
10 Hz~20 kHz |
10 Hz~16 kHz |
Time weighting |
F、S、I、Peak |
Display |
128 x 64 LED lattice |
Output interface |
AC、DC、RS232、PWM |
Integral function |
No |
Main measurement index |
Lp、Lmax、Lpeak |
Transfinite instructions |
Yes, the limit can be set |
Storage function |
No |
Recording and recording function |
No |
Statistical analysis function |
No |
Working temperature |
-15℃~50℃ |