Calibration Procedure - RS Pro RS-1151 Manual De Instrucciones

Datalogger Sound Level Meter / EN

7. CALIBRATION PROCEDURE

Most national standards recommend that you calibrate your sound level meter
before each set of measurements and check the calibration after each set.
The procedure to check/adjust the displayed sound level in response to sound
calibrator:
1. Turn off the sound calibrator.
2. Press the
3. Use the
reference sound level range.
4. Use the
weighting.
5. Use the
weighting.
6. Insert the microphone very carefully and slowly all
the way into the sound calibrator coupling orifice.
7. Switch on the 1000Hz sound calibrator in its
nominal 114dB level setting.
8. Adjust the CAL potentiometer of the instrument,
until the display reading for diffuse field is the same
as the certified pressure level of the calibrator, or is
0.1 dB higher than this pressure level for free-field.
This applies to calibrators.
9. Set the power switch of the sound calibrator to OFF.
10. Remove the microphone very carefully and slowly from the coupler.
10
key to turn on the meter.
key to select the 65 to 130dB
key to select "A" frequency
key to select "FAST" time
USB/Datalogger
09/15/17 Version No. 00