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8
Calibration Procedure
To calibrate the REED R8050, an external calibrator that can provide a
94.0dB signal at 1kHz (REED R8090) and a small screw-driver are
required. Follow the steps below to calibrate the instrument.
1. Open the battery compartment
and locate the two calibration
potentiometers behind the 9V
battery (see diagram).
2. Turn the meter ON
3. Select 'C' weighting mode
4. Select 'FAST' response mode
5. Place the REED R8050 micro-
phone into the calibrator. Set
the calibrator to output 94dB
6. Select the LOW range
7. Adjust the 'C (Lo)'
potentiometer for a display
of 94.0dB
8. Select the HIGH range
9. Adjust the 'C (HI)' potentiometer
for a display of 94.0dB
10. Set the calibrator to output
114dB and verify measurement
OFF
94dB
114dB
(1KHz)
IEC 942 CLASS 2
R8090
Sound Level Calibrator
R8050
REED Instruments
1-877-849-2127 | [email protected] | www.reedinstruments.com
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