Calibration Procedure - RS Pro RS-1150 Manual De Instrucciones

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
level range.
4. Use the
5. Use the
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 reference sound
key to select "A" frequency weighting.
key to select "FAST" time weighting.
09/15/17 Version No. 00