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Model | AWA5680 |
Execution standard | GB/T 3785-2010 (2002) IEC61672: level 2 |
Frequency range | 20Hz~12.5kHz |
Measurement limit | 130dB or 140dB(customized by users) |
Machine noise | Less than 23dB(A), 27dB(C), 30dB(Z) |
Frequency weighting | A、C、Z |
Time weight | F、S、I |
Indicator | 128x128 dot matrix LCD, with LED backlight, can display 10 measurement indexes in real time, or display dynamic bar chart, statistical distribution chart and 24-hour distribution chart |
Measuring index | Lxyi,Lxyp,Lxeq,Lxmax,Lxmin,LxN,SD,SEL,E et al. Note: X is Acanthopyrium zhuangy is Fendrosemide N = 510 ~ (10) C ~ (50) C ~ (90) C ~ (95) ~ (95). (no LxN,SD for integral measurement only) |
Integral measurement time | Manual, 1 second to 99 hours arbitrary Settings or split Settings |
Sampling frequency | 32kHz |
Automatic 24-hour monitoring | Once an hour, each measurement time can be selected between the 1min~59min |
Airport noise measurement | In the simple method, the noise change process of airport is recorded at 0.1 s sampling interval, and the range of Td,Lepn,Td measurement is calculated automatically in the range of. 1s~6s (provided by acquisition software). |
Storage | 2048 groups of integral results or 1024 groups of statistical analysis results, 40 groups of 24-hour automatic measurement results |
Output interface | AC, DC, rs-232c computer or AH40 microprinter |
Internal clocking | Monthly error less than 5 minutes, built-in backup battery |
Battery | 4 LR6 alkaline batteries or rechargeable batteries can be used continuously for more than 40 hours. 5V external power supply can also be used |
Shape dimension (mm) | 240x80x30 |
quality | 0.37kg |
Work environment | Working temperature: - 10 ℃ to 50 ℃ Relative humidity: 20%~90% Atmospheric pressure: 65kPa~108kPa |