1
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℃ |