Solution for noise testing for air conditioners
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Why is it necessary to test air conditioner noise?
Today, the assessment of operating noise has become an important criterion in the quality control of almost any product. The lower the noise emitted, the quieter and more stable the motor means, which is especially important for household appliances. Surely after tired working hours, you don't want to go home and hear the noises echoing around you, right?
Among household items, the air conditioner is one of the products that need the most attention, why? Because the noise of the air conditioner will directly affect your sleep, an air conditioner with too loud engine noise will certainly not be able to help you have a good night's sleep.
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To check the quality of products through noise analysis, most of the major manufacturers in the world invest in a system called Anechoic Chamber which can be roughly understood as a room without echo. This is also the most effective solution to check the noise level of the refrigerator motor before distribution to the market
Environmental factors affecting air conditioning noise analysis
Environmental noise: Accuracy is the first priority in any analysis, each environmental noise parameter can influence direct and damage the analysis => Need a completely quiet environment with no external noise agents
Ambient reverberation: Sound will reflect when it encounters a surface this is called reflection sound. Under normal test conditions, engine noise will be emitted and reflected throughout the room resulting in inaccurate readings
What makes Anechoic Chamber the best solution for air conditioning noise testing?
To be able to test and analyze the sound of the air conditioner most accurately, in addition to the need for a modern noise measurement device with class 1 accuracy, the test environment is the first priority.
Inside the Anechoic Chamber, the background noise is only in the range of 20 - 25dB, the surfaces inside the room are covered with a special geometric block with the main effect to completely suppress the echo. These two things open up an extremely convenient condition for test measurements
Some factors to check when analyzing air conditioner
sound Noise when air conditioner is operating
Heater noise
Sound at startup
Sound of filters
Accessories
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