Extech Instruments 407355 Manuel d'instructions télécharger pdf (Page 5)

5 407355 Ver. 1.02 9/99

7. REFERENCE TABLES

7.1 Basic Operation

7.2 Configuration Settings

8. CALIBRATION PROCEDURE

NOTE: A Sound Level Calibrator, available from Extech, is required.

1. Set the meter to display sound level (dBA) with a SLOW (S) Time constant.

2. Insert the meter’s microphone into the Calibrator.

3. Adjust the meter’s calibration screw (bottom of meter) to match the dB output of the

Calibrator.

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Extech Instruments 407355 Manuel d'instructions Page 5