Digital Sound Level Meter Decibel Noise Tester 30~130dBA Audio Volume Factory Pre-C A C Frequency With Sponge Ball

$124.81

SKU: 3256807636511209 Category:

Product Description

Sound Level Meter Audio Decibel Noise Tester

This Sound Level Meter is designed to meet the measurement requirements of Safety Engineers in Health and Industrial Safety fields and in other various environment where Sound Quality Control is needed such as in factory, home, office, traffic road, theater, etc.

Designed to meet the following standards:

International electrician committee standard: IEC PUB 651 TYPE2
US national standard: ANSI S1.4 TYPE2

Factory Pre-calibrated
Alarm symbol display for over and under min and max range
Maximum value holding function
Bar graph indication
A & C frequency weight selection
FAST & SLOW time weight selection
AC/DC output terminal
Low battery indication
Equipped with sponge ball to filter-out unwanted signals
With tripod mounting hole

Specifications

Measuring range: 30~130dBA, 35~130dBC
Accuracy: ±1.5dB (under reference condition)
Frequency range: 31.5Hz~8.5KHz
Level range: 30~80dB, 50~100dB, 60~110dB, 80~130dB, 30~130dB
Linearity range: 50dB / 100dB
Frequency weighting: A / C
Digital display: 4 digits
Resolution: 0.1dB
Sampling rate: 2 times/second
Bar graph: 50dB scale at 1 dB step for monitoring current sound pressure level display sample rate: 20 times/sec

Wide Range of Application

How Loud is too Loud?

Warning Signs of Excessive Noise

1. Ringing or buzzing in the ears (tinnitus)
2. Difficulty understanding speech after noise exposure
3. Muffled hearing after leaving a noisy area
4. Pain or discomfort in the ears

Easy to carry anywhere.

Other Technical Parameters

Over indication: OVER / UNDER
AC output: 0.707Vrms at FS output impedance approx. 600 ohm
DC output: 10mV/dB, output impedance approx. 100ohm
Time weighting: FAST / SLOW
Microphone: ½ inch electret condenser microphone
Power Supply: 4 x 1.5V AA battery or DC 6V 100mA (maximum DC9V)
Power life: about 30 hours (alkaline battery)
Operating environment: 0~40°C temperature / 10~85%RH humidity
Storage environment: -10~40°C temperature / 0~70% RH humidity

Importance of Sponge ball

1. Wind Noise Reduction
2. Protection Against Debris and Moisture
3. Minimize Plosive Sounds
4. Consistency in Measurements

AC/DC output terminal

With tripod mounting hole

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