Repairs or servicing not covered in this manual should only be performed by qualified personnel • Periodically wipe the case with a dry cloth • Do not use abrasives or solvents on this instrument INSTRUMENTS reedinstruments REED Instruments INSTRUMENTS 1-877-849-2127 | info@reedinstruments.com | www.reedinstruments.com...
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S (Slow Response): For checking average level of fl uctuating noise 7. level Range Select Button Lo/Hi LO: 30~100dB; HI: 60~130dB When “OVER” is indicated, the meter automatically switches to the other measurement range. INSTRUMENTS reedinstruments REED Instruments INSTRUMENTS 1-877-849-2127 | info@reedinstruments.com | www.reedinstruments.com...
Do not store or operate the instrument in high temperature and high humidity environments. • Keep microphone dry and avoid severe vibrations. • When not in use, please take the battery out and keep the instrument in a low humidity environment. INSTRUMENTS reedinstruments REED Instruments INSTRUMENTS 1-877-849-2127 | info@reedinstruments.com | www.reedinstruments.com...
Battery Replacement: When the battery voltage drops below the operating voltage, “BAT” appears in the display and the existing battery should be replaced with a new one. INSTRUMENTS reedinstruments REED Instruments INSTRUMENTS 1-877-849-2127 | info@reedinstruments.com | www.reedinstruments.com...
Calibration Procedure To calibrate the REED R8050, an external calibrator that can provide a 94.0dB signal at 1 kHz is required (REED R8090) in addition to a small screw-driver. 1. Open the battery compartment and locate the two calibration potentiometers behind the 9V battery (see diagram) 2.
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