Valcom V9992, Инструкция по эксплуатации

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SOUND LEVEL METER
Display with 0.1dB steps on a 4-digit LCD.
Two equivalent weighted sound pressure levels, A and C.
AC signal output is available from standard 3.5mm coaxial socket suitable for
a frequency analyzer, level recorder, FFT analyzer, graphic recorder, etc.
III. Specifications
Standard Applied: IEC651 Type 2, ANSI S1.4 Type 2.
Frequency Range: 31.5Hz - 8kHz
Measuring Level Range: 32dB - 130 dB
Frequency Weighting: A and C scale
Microphone: ½ inch electret condenser microphone
Display: LCD
Digital Display: 4 digit
Resolution: 0.1dB
Display Update: 0.5 sec.
Time Weighting: FAST (125 mS), Slow (1 sec.)
Level Ranges: Lo: 32dB – 80dB
Med: 50dB – 100dB
Hi: 80dB – 130dB
Accuracy: +1.5dB (under reference conditions, 94dB @ 1kHz)
Dynamic Range: 50dB
Alarm Function: “
OVER ” is shown when input is more than upper limit of range.
“ UNDER ” is shown when input is less than lower limit or range.
MAX/MIN Hold: Hold readings at Maximum and Minimum Value.
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