Potable digital noise level meter:**0% Brand New
Wild Measurement Range: *****0dB
Accuracy: up to ± 1.5dB.
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.
Low battery indication
Portable, easy to use and handy instrument for sound quality
control
in factory, office, home, school and construction site.
Specifications:
Accuracy: +/*1.5dB (under reference conditions)
Measuring Level: *****0dB (A)/*****0dB (C)
Frequency Range: *1.5Hz to 8.5KHz
Linearity Range: *0dB/**0dB
Digital Display: 4 digits
Resolution: 0.1dB
Bar Graph: *0 dB scale at 1 dB step for monitoring current
sound
pressure level display
Overload Indication: OVER/UNDER
Frequency Weighting: A and C
Level Ranges: ****0dB, *****0dB, *****0dB, *****0dB *****0dB
Self Calibration Time: 3sec
Sampling Rate: 2 times/seconds
AC Signal Output: 0.**7Vrms/ full bar graph, output impedance
is
about **0ohm
DC Signal Output: *0mV/dB, output impedance is about **0ohm
Time Weighting selection: Fast / Slow
Power Supply: 4x AA 1.5V alkaline cells or DC 6V **0mA
Microphone: 1/2" Electret Condenser microphone
