Contents: Introduction Accessories Safety Meter description Operation Disable Auto Power Off Maximum and Minimum Hold Data hold 94dB Calibration General Specifications Electrical Specifications Maintenance Battery Replacement 10 Disposal...
SM-130DB Introduction This sound level meter is a digital noise meter with an auto-shifting function that can be applied to the measurements for both environmental and mechanical noise. Accessories Meter User’s Manual 9V battery Carrying case Windscreen Safety Caution! Please refer to this manual.
SM-130DB Meter description Microphone LCD display A /C weighting select button Power button Maximum and Minimum hold button Data hold button Time weighting select button Tripod nut Battery cover Windscreen...
SM-130DB Operation ● Press to turn on or turn off. ● Please select dBA for the measurement of acoustic noise, dBC for the measurement and analysis of mechanical noise, and click switch the modes. ● Select “FAST” to read the real-time noise level, “SLOW”...
SM-130DB Disable auto power off The meter is preset to shutdown automatically after 15-minute inactivity. When powering on, press for 2 seconds to disable the auto shutdown function which can be set to disable or enable as needed. Maximum and Minimum hold...
SM-130DB 94dB Calibration ● Carefully plug the microphone head into the 1/2 inch hole of the standard audio source (94dB, @1KHz sine wave). ● Turn on the power of the standard audio source (94dB, @1KHz sine wave). ● Press and hold for more than 1 second and enter the 94dB correction function.
SM-130DB General Specifications ● 4 digital LCD. ● Frequency weighting: dBA, dBC ● Time weighting: FAST, SLOW ● Data hold ● Auto ranging ● Auto power off (default 15 min)and disable auto power off ● Maximum and Minimum hold ●...
SM-130DB Maintenance When the symbol is displayed on the LCD, it means that there is insufficient power; Change the battery immediately in order to ensure its accuracy. Do not place the meter in locations that have high temperature, humidity, or with exposure to direct sunlight.
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