Sound Level Meter has been designed to meet the measurement requirement of noise engineers, noise quality control & health prevention in various environments, such as noise measurement in factory, Office, Traffic Road, Family & all other noise measurement applications.
Features
• A/C Frequency weighting selection
• Automatic Backlight
• Auto Power off 10 minutes
• PWM signal output
• Calendar function
• 4700 data record function

General Specifications
• Measuring Range : 30 ~ 130 dBA, 35 ~ 130 dBC
• Accuracy : ± 1.5dB
• Resolution : 0.1 dB
• Display : 5 Digits display
• Frequency Response : 31.5Hz ~ 8.5KHz
• Measuring Level : 30 ~ 130, 40 ~ 90, 50 ~ 100, 60 ~ 110, 80 ~ 130
• Frequency weighting : A & C
• Time Weighting : FAST / SLOW
• Sampling rate : 2 times / second
• Microphone : ½ inch polarization capacitance microphone
• USB interface
• AC / PWM output
• Max Reading
• Overload Indication OVER / UNDER
• Low battery indication
• Power Supply : 4 x 1.5V AA or DC 6V 100mA adapter
• Dimension : 70 x 35 x 256 mm
• Weight : Approx. 308g (including battery)