| Digital Sound Level Meter ADD358 |
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| Contact Us |
409# No 9 Kexing Road FengTai District, Beijing,China |
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| Digital Sound Level Meter ADD358 | |
| Overview |
| Feature |
| ·This unit was designed according to the IEC651,TYPE2&ANSI S1.4 TYPE for sound level meters |
| ·Instantaneous sound measure function |
| ·Measurement range:30-130 decibel |
| ·With two equivalent weighted sound pressure levels A and C |
| ·Fast & Slow dynamic characteristic modes |
| ·AC and DC signed oytput for frequency analyzer level recorder,FFT analyzer,graphic recorder etc. |
| Specifications |
| ·Frequency range:31.5Hz-8.5kHz |
| ·Linearity range:50db |
| ·Measuring level:30-130dBA 35-130dBC |
| ·Frequency weighting:A,C |
| ·Digital display:5 digits |
| ·Resolution:0.1dB |
| ·Display:0.5 secretary |
| ·Bargraph:50dB scale at 1dB step for mornitoring current sound pressure level |
| ·display period:50ms |
| ·Level ranges:30-80dB;50-100dB;60-110dB;80-130dB |
| ·AC output:0.707 Vrms at FS output impendance appro x 600Ω |
| ·DC output:10mV/dB output impedance approx 100Ω |
| ·Time weighting:Fast/Slow |
| ·Microphone:1/2 inch Electret Condenser microphone |
| ·Selfcalibration time:10 sec(every turn on) |
