This unit was designed according to the IEC651,TYPE2&ANSI S1.4 TYPE for sound level meters
Instantaneous sound measure function
Digital Sound Level Meter ADD358
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 decibe
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)
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