3M Model Vehicle QC 10 User Manual

3M Occupational Health & Environmental Safety Division

Acoustic Calibrators: QC-10 and QC-20 Models

Precise and Quick

Calibration

QC-10 and QC-20 User Manual

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Thank you for choosing the Quest Technologies, a 3M company, to

meet your calibration needs. To ensure the accuracy of your sound

measuring instrumentation, 3M Quest models QC-10 and QC-20

Calibrators provide quick, precise calibration. The instruments

generate a stable acoustic signal at a controlled frequency and

amplitude to verify the accuracy of sound level meters and noise

dosimeters.

The purpose of this manual is to provide the user with the necessary

information to operate the QC-10 and QC-20 Sound Calibrators. The

entire manual should be read to fully understand the many features

this instrument offers.

This manual is not all inclusive and cannot cover all unique

situations. In addition, no warranties are contained in this manual

except as described under the warranty section.

QC-20 Calibrator

Switches used to set levels

and turn on/off calibrator.

Cal adapter

Used with ¼” and ½’ microphones

Example of QC-20 with Cal adaptor

QC-10 and QC-20 Operator’s Manual

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