skcinc.com
Form 37169 Rev 210311
Page 11
OPERATION
Performing a Sample Run
•
Charge the battery completely before operating the noise dosimeter.
•
Calibration is necessary before and after every sampling operation.
•
AcoustiCHEK Class 2 Calibrator Cat. No. 703-002 is required for calibration.
•
See Status Icons table for indicators that appear on screen during operation.
Calibrate
1. Turn on NoiseCHEK.
2. Remove the windscreen from the microphone.
See Removing/Reinstalling the Windscreen.
3. Attach the AcoustiCHEK Class 2, 114-dB calibrator on the microphone, and turn on the calibrator
by pressing the Power key.
4. Press the Level key to set calibrator to 114 dB (
see calibrator operating instructions and
Figure 3
). After a 5-second countdown shown on the screen, calibration will take place.
5. When calibration is complete/passed, turn off or remove the calibrator from the microphone.
6. Select OK (press green button) on NoiseCHEK (returns you to Home screen).
7. Reinstall the windscreen.
See Removing/Reinstalling the Windscreen.
8. You are ready to sample.
See Sample
.
Figure 3. Calibration Train and Display
Set to 114 dB
AcoustiCHEK
Calibrator
Power key
Level key