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Sound Level Meter MP780859 Safety information Read the following safety information carefully before attempting to operate or service the meter, and please use the meter as specified in this manual Environment conditions 1. Altitude below 2000 meters 2. Relatively humidity 90% max.
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3. Meter Description 1-LCD Display 2-Body of Meter 3-Microphone 4-HOLD/ button 5-MAX/MIN button 6-Power on/off button 7-UNITS button 8-Bluetooth button 4. Button Description Power on/off, Auto-power off: Power on: Short press button “ ” to power on, system default auto power off. Long press to power on and disable auto power off function.
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Measurement Operation Turn on the instrument by pressing power on/off button. Short press button ”RANGE” and select suitable measurement range based on no ”UNDER” or “OVER” display on LCD. Select ‘dBA’ for general noise sound level and ‘dBC’ for measuring sound level of acoustic material.
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Specifications Frequency range: 31.5HZ~8KHZ Accuracy: 3dB (under reference condition of 94dB, 1kHz) Range: 35 ~ 130dB Measuring range: LO: 35dB~80dB Med: 50dB~100dB Hi: 80dB~130dB Auto: 35dB~130dB Frequency weighting: A and C Microphone: 1/2 inch electret condenser microphone Digital display: 4 digits LCD display with a resolution: 0.1dB Display Update: 2 times/ sec.
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