Digital Sound Level Meter Noise Tester 30 to 130dB

Features
Designed according to International Electrician Committee Standard, IEC 651 TYPE 2 & ANSI 1.4 TYPE 2.
Wild Measurement Range from 30 - 130dB.
Accuracy up to ± 1.5dB.
Windscreen for Filter-out Unwanted Signals.
With 2 equivalent weighted sound pressure levels A and C.
AC & DC analogy signal output are available connecting to frequency analyzer level recorder, FFT analyzer and graphic record.
A frequency weighting for general sound level measurements.
C frequency weighting for checking the low-frequency content of sounds.
Large LCD screen with digits reading.
Fast and Slow dynamic characteristic modes.
Fast rate to pick up the current reading.
Slow rate to pick up the reading of average within 1 second.
Maximum value holding function to lock up the maximum reading.
Equipped with sponge ball.
Auto power off design for energy saving.
Portable, easy to use and handy instrument for sound quality control in factory, office, home, school and construction site.
Specifications
Accuracy 1.5dB (94dB@1KHz)
Measuring Level 30-130dB (A) / 35-130dB (C)
Frequency Range 31.5Hz to 8.5KHz
Linearity Range 50dB/100dB
Digital Display 4 digits
Resolution 0.1dB
Bar Graph 50 dB
Increment 1dB
Overload Indication OVER / UNDER
Frequency Weighting A and C
Level Ranges 30-80dB, 50-100dB, 60-110dB, 80-130dB
Self Calibration Time 3sec
Sampling Rate 20 times/seconds
AC Signal Output 0.707Vrms / full bar graph, output impedance is about 600ohm
DC Signal Output 10mV/dB, output impedance is about 100ohm
Dynamic Characteristic Fast / Slow
Power Supply 4 x AA 1.5V alkaline cells (battery not included) or DC 6V 100mA
Microphone 1/2" Electronic Condenser microphone
Item dimensions 256 x 70 x 35mm
Package Weight 850g
Package Contents
1 x Sound Level Meter
1 x Sponge Ball
1 x DC 6V Cable
1 x Carrying Case
1 x Manual