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Measuring Range: 30 to 70 dB, 60 to 100 dB, 90 to 130 dB; Accuracy: 23 ± 5; Resolution: 0.1 dB; Frequency: 31.5 Hz to 16 KHz.
Operating Temperature: 0°C to 50°C; Operating Humidity: Less than 80% RH; Frequency: 31.5 Hz to 16 KHz
Display: 1 8 mm (0.7") LCD (Liquid Crystal Display), 3 1/2 digits; Calibrator: B & K (Bruel & kjaer), multi-fuction acoustic calibrator; Microphone type: Electric condenser microphone; Time Weighting: Fast - t= 200 ms, Slow - t = 500 ms
Range Selector: 30 to 70 dB, 60 to 100 dB, 90 to 130 dB, 40 dB on each step; Power Supply: DC 9V battery
Accessories: Instruction Manual, Sound Meter, Calibration screw driver | Applications: Noise at Work/Occupational Noise and Environmental and Community
Lutron SL-4022 Sound Level Meter is a portable sound level meter which is used to measure the noise and sound levels of the areas. It has a large LCD display which helps the users to understand and easy to read the sound level readings. This sound level meter has a alert system when the situation is over and under load. This is the best digital sound level meter that provides users with valuable information.