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Test itemSound Pressure Level (SPL)Test Equipment InformationTest Equipment:Mult

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Test item

Sound Pressure Level (SPL)

Test Equipment Information

Test Equipment:Multi-Channel Analysis  System

Test Equipment:Microphone

Test Equipment:Sound Level Calibrator

Test Equipment:Thermo-Hygrometer

Test Equipment:Steel ruler

Test Equipment:DC Power Supply

Test Conditions

1、Reference Document: WI-063-011 I

2、Frequency Range: 20Hz~20000 Hz

3、Frequency Weighting: A Weighting

4、Ambient Condition: 22.1, 49.7%RH

5、Test Setup: The microphone is located 0.65m above the user waist and 0.10m away from  the headrest

Test Procedure

Use Sound Level Calibrator to Calibrate the Microphones

Sound Pressure Level (SPL) Measurements for EUT

Set up EUT and Microphones Based on Customer Self Definition

Measure Background Noise

Measure the SPL of the sample (DC 13.5V)

Test results

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