Sper-scientific 850069 Environmental Quality Meter w/Sound Manual do Utilizador descarregar pdf (Página 14)

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MEASUREMENT PROCEDURES

Sound-Level Measurement

1. Ensure that the sound sensor at the top

of the meter is free from obstruction.

2. Hold the meter with the sound sensor

pointing toward the noise source and

press POWER to turn the meter on.

3. Press FUNCTION continuously until

the meter displays the dB sound-level

measuring unit.

4. The meter measures the sound level of

the surrounding noise and displays the

value in decibels.

Light-Level Measurement

1. Press POWER to turn the meter on.

2. Press FUNCTION until the meter

displays the Lux or Ft-cd light-level

measuring unit.

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Sper-scientific 850069 Environmental Quality Meter w/Sound Manual do Utilizador Página 14