SMART SENSOR AS834+ Digital Sound Level Meter Digital Noisemeter LCD Sound Level Meter 30-130dB Noise Volume Measuring Instrument Decibel Monitoring Tester

Want to test the sound level? Need to know the noise level? Try our digital sound level meter. It's featured with wide measuring range (30-130dB). It's portable and easy to use as a handy instrument for sound quality control in factory, office, home, school and construction site.



Features:

2.7" large LCD display for easy reading, convenient to use.

Wide measurement range from 30dB to 130dB, Frequency: 31.5Hz - 8KHz, Resolution: 0.1dB, Accuracy: ±1.5dB.

With A and C equivalent weighted sound pressure levels.

Fast and slow dynamic characteristic mode.

AC and DC signal output for frequency analyzer level recorder, FFT analyzer, graphic recorder, etc.

With maximum/minimum value measurement.

90-130dB alarm level setup range, it will hold the maximum value once the measured level is large than the alarm setup level.

Low battery indication, automatic & manual off function.

Equipped with sponge ball and a storage pouch. Compact and light, convenient to hold and carry.

Portable and easy to use, suitable for checking, monitoring or controlling the sound level for personal, families, business, studies, industrial, etc.



Specifications:

Material: ABS

Accuracy: ±1.5dB (at the calibration point, 94dB@1KHz)

Frequency Response: 31.5Hz~8.5kHz

Dynamic Range: 50dB

Measure Range: 30~130dBA, 35~130dBC

Frequency Weighting: A weighted and C weighting

Digital Display: 4 digit

Resolution: 0.1dB

Sampling Speed: 2 time per second

Analog Bar Graph: One bar is 1dB, sample rate is two times per second

Overload Alert: OVER or UNDER icon to show the stage

AC Signal Output: 0.707V rms at FS, output impedance approx. 600ohm

DC Signal Output: 10mV/dB, output impedance approx. 100ohm

Time Weighting: Fast/Slow

Microphone: 1/2 inch ECM type microphone

Operating Temperature & Humidity: 0～40℃, 10%～80%RH

Storage Temperature: 10～60℃, 10%～70%RH

Supply(NOT included): 1 * 9V 6F22 battery or 9V 100mA DC adapter

LCD Size: 52 * 43mm / 2.05 * 2.01in

Item Size: 221 * 66 * 32.5mm / 8.70 * 2.60 * 1.28in

Item Weight: 200g / 7.06oz

Package Weight: 261g / 9.23oz

Package Size: 24.5 * 9.2 * 5.2cm / 9.65 * 3.62 * 2.05in



Package List:

1 * Sound Level Meter

1 * Storage Pouch

1 * User Manual(English)



Note:

When measuring the noise in outdoors, please put a sponge ball on the microphone head to prevent the microphone from being blown directly to cause airflow noise.