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1358 USB sound level meter tool gadget
1358 USB sound level meters

Sound level meter 30~130 dBA/35~130 dBC

$59 $38

Product Description

The sound level meter is also called (noise) of the basic noise measurement instruments.
Sound level meter generally condenser microphone pre-amplifiers, attenuators, amplifiers, frequency weighting network, as well as RMS indication table top. The sound level meter works: converting sound into electrical signals by the microphone preamplifier transform impedance microphone attenuator match. The amplifier output signal is applied to the weighted network, the signal frequency weighting (or an external filter), and then by the attenuator and amplifier signal amplification to a certain amplitude, and finally after a digital circuit processor, the LCD displayed on the corresponding values​​.
1358 USB sound level meters
This unit was designed according to following standards:
—-A. International electrician committee standard: IEC PUB 651 TYPE2
—-B.US national standard: ANSI S1.4 TYPE2

*Measuring range:
—-30~130 dBA
—-35~130 dBC
*Accuracy: ±1.5 dB
Digit & Resolution: 5位 & 0.1 dB
Frequency response: 31.5Hz ~8.5KHz
Measuring level: 30~130, 40~90, 50~100, 60~110, 80~130
Frequency weighting characteristic: A & C
Time weighting: FAST/SLOW
Sampling rate: 2times/second
Microphone:1/2inch polarization capacitance microphone
AC/DC output
Max reading
Overload indication: OVER / UNDER
Low battery indication
Auto power off / Cancel “Auto power off”
Packing method: PP box + Gift box
Power: 9V battery* 1pcs or DC 6V 100mA adapter
Dimension: 207*70*29mm
Weight: 178g (including batteries)

Additional Information

Weight 1 kg
Dimensions 30 x 20 x 10 cm
3.50 out of 5

2 reviews for Sound level meter 30~130 dBA/35~130 dBC

  1. 4 out of 5

    :

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  3. 3 out of 5

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