CAISSON ELEKTRONIK GmbH
Boschstrasse 16, D-47533 Kleve, Deutschland
T: +49 (0) 2821-894390
[email protected] www.caisson-gmbh.de
Using the
buttons, you can select one of the two types of calibration:
1. Factory – Select this option if you want to use the meter factory calibration set during manufacture.
2. User – Select this option if you want to use your own calibration.
If you decide to select option „User,” you will be able to choose between a new calibration (NEW – press
button
) and the calibration of the user stored in the device’s memory (CURRENT – press
button
).
Option „NEW” allows you to perform a new calibration as follows:
1. Stand away from loud sound sources that may interfere with the calibrator’s signal.
2. Fit Sound Level Calibrator carefully onto the sound level meter and rest the assembly on the table or
other fl at surface as shown in fi g.3.1.
3. Switch on the calibrator and wait approximately 5 seconds for all levels to stabilize.
4. Press the
button to START calibration.
5. Wait until the display shows the value in the range of 93.8 - 94.0 dB.
If after a fi ve-second wait, the result is not within the range of 93.8 – 94.0dB
press the
button again
6. To confi rm and save the calibration, press the
button.
Fig. 3.1 Sound Level Calibrator fi tted onto your sound level meter
<System information>
This option is used to display information about the system which includes:
• fi rmware version
• date of production
• counter starts
• total working time
Press the
button to go back to the menu.
