Contact Us
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Tel: +8618822802390
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E-mail: admin@gvda-instrument.com
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WhatsApp: 8618822802390
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Add: Room 610-612, Huachuangda Business Building, District 46, Cuizhu Road, Xin'an Street, Bao'an, Shenzhen
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2022
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Standard for Noise Meters
Standard for Noise Meters In order to make the measurement results of sound level meters produced in various countries in the world comparable with each other, the International E
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2022
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Features of Noise Meters
Features of Noise Meters ① It can measure the noise with complex waveform and display its root mean square value, that is, detect it according to the square law; ②Because the h
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26
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2022
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Principle of Noise Meter
Principle of Noise Meter The sound pressure level measured by the sound level meter through the frequency weighting network is called the sound level. According to the different w
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26
Sep
2022
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The structure of the noise Level meter
The structure of the noise Level meter The noise meter is mainly composed of input circuit, amplifier, counterweight (weighted) network and detector, etc. Its block diagram is s
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26
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2022
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noise meter
noise meter The A network simulates the response of the human ear to the 40-square pure tone in the equal-loudness curve, and its noise meter curve shape is opposite to the 340-
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21
Sep
2022
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How to choose Fast/slow time weighted selection of GVDA Digital Sound Level M...
How to choose Fast/slow time weighted selection of GVDA Digital Sound Level Meter Noise Tester Sound Detector Decible Monitor 30-130dB Audio Measuring Instrument Alarm Use t
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21
Sep
2022
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How to use GVDA Sound Level Meter Digital Handheld DB Meter GD151A GD151B
How to use GVDA Sound Level Meter Digital Handheld DB Meter Measurement 1. Open the protection cover of the meter. 2. Press the button to turn on the power. 3. After the
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21
Sep
2022
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Sound Noise Measuring Instrument db Meter 30 to 130dB Mini Audio Sound Level ...
Sound Noise Measuring Instrument db Meter 30~130dB Mini Audio Sound Level Meter Decibel Monitor Condenser Microphone built-in high performance sensor, designed with a windproof
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21
Sep
2022
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Operation Considerations of GVDA Sound Level Meter Digital Handheld DB Meter ...
Operation Considerations of GVDA Sound Level Meter Digital Handheld DB Meter Sonometros Noise Audio Level Meter 30-130dB Decibels Mini Sound Meter Wind blowing across the microp
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21
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2022
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Introduction of GVDA Sound level meter GD151A GD151B
Introduction This sound level meter is used to measure the sound level of the environment: such as factory, workshop, school, residence, office area, traffic road, audio and so on