CENTER-320 noise meter
The center320 noise meter produced by Taiwan Qunte is mainly used for noise engineering, quality control, health prevention and decibel measurement of various environmental noise, such as noise measurement applications in factories, schools, offices, traffic roads and other occasions.
CENTER-320 Sound Level Meter Product Introduction:
This sound level meter is a noise measurement application designed for noise engineering, quality control, health prevention and various environmental sound measurements, such as factories, schools, offices, traffic roads, homes, audio, etc.
CENTER-320 sound level meter technical parameters:
Accuracy 1.5dB (at reference sound pressure level, 94dB @ 1KHz) Frequency response 31.5HZ ~ 8KHZ Dynamic range 50dB Measurement range LO: 30dB ～ 80dB Med: 50dB ～ 100dB Hi: 80dB ～ 130dB Frequency weighting characteristics A and C Time weighting Features: Fast (FAST) 125 milliseconds, slow (SLOW) 1 second microphone 1 / 2-inch polarized condenser microphone displays 4 digits, resolution 0.1dB, value update 2 times / second maximum reading lock MAX HOLD minimum reading lock MIN HOLD Overload indication "OVER", "UNDER" symbols indicate a single 9V battery, 006P or NEDA1604 or IEC6F22 battery life is about 50 hours (alkaline battery) Operating temperature and humidity 0 ℃ ~ 40 ℃, 10% RH ~ 75% RH Dimensions 275 × 64 × 30mm analog signal output AC / DC signals are output from the headphone jack AC = 1Vrms (per range range), output impedance is about 10Ω DC = 10Mv / dB, output impedance is about 100Ω weight about 275 grams (including battery)
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