Calibration

Using a Moving Microphone in Testing STC for Material Sound Insulation

Using a Moving Microphone in Testing STC for Material Sound Insulation

Acoustic Camera, Calibration, Newsletter, Sound Absorption /

Acoustic Laboratory Thailand (ALT) uses a Moving Microphone to test Airborne Sound Insulation (STC, Rw) to achieve the highest level of accuracy in acoustic testing. Measuring the Sound Transmission Class (STC) is a crucial process for evaluating the sound insulation performance of materials and structures according to ASTM E90 and ISO 10140-2 standards. Typically, STC […]

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(dodecaheron) speaker directivity calibration

(dodecaheron) speaker directivity calibration

Calibration /

When is the late time that you calibrated your dodecahedron or other speaker used for acoustic measurements? Recommended period is not over 2 years. Speaker Testing Services According to Standards by ALT LaboratoryAt Acoustic Laboratory Thailand Co., Ltd. (ALT), we are committed to providing testing and calibration services for acoustic equipment in accordance with international

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Calibration of sound meters according to standards

Calibration, ISO /

Using standardized sound measurement instruments also requires standardized calibration. It is important to choose a calibration laboratory that is certified to ISO/IEC17025 standards. But this is not all to look out for, the laboratory should also be accredited for the required methods and standards for the calibration of instruments. ISO/IEC17025 has a wide range and

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How and why to calibrate Acoustic measurement instruments

Calibration /

How to calibrate Acoustic measurement instruments Why calibrate Acoustic measurement instruments There are many reasons why acoustic instrument calibration is important. Here are a few of the most important ones:  Accuracy and Reliability: Sound level meters are precision instruments that measure sound pressure levels. Over time and with usage, their performance can drift. Calibration ensures

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What is Calibration

Calibration /

What is Calibration Calibration is a process of documenting and adjusting the reading of measurement instruments Sound measurement is one of the measurements which is considered to be important in a lot of different industries. For example, automotive, manufacture, HSE, research and so on. One of the aspect that is important for all measurements are

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