This Decibel Meter is compact and easy to use while providing you accurate readings in a greater range than similar inexpensive sound meters on the market.

This sound meter can read between 30dB~130dB, while reducing the effects of wind noise to produce more accurate readings. 

Applications includes: Environmental measurement, law enforcement, work place design, sound level analysis of machinery and engines.

Features

• Auto Ranging
• Frequency weighting: A/C
• Fast/Slow time weighting selection
• Max Hold function
• High Accuracy
• Bar graph display
• AC/DC function
• White Backlight
• Over / Under indicator
• Time and date display
• Auto-off function setup
• Low Battery Alert
• Tripod Mount (Tripod not included)
• with USB cable for power supply
• CE Certified & RoHS Compliant

Specifications

• Standard applied: IEC651 type 2, ANSI S1.4 type 2
• Calibration sound source: 94dB @ 1kHz
• Measurement range: 30~130dBA
• Accuracy: ±1.5dB(reference sound pressure standard, 94dB@1KHz)
• Frequency response: 31.5~8.5KHz
• Resolution: 0.1dB
• Measurement weighting: A/C
• Analogy bar graph: 2dB/1 Bar graph increment
• Display update time: 2 times/second (FAST), 1 time/second (SLOW)
• AC signal output: 4Vrms/ full barograph, output impedance is approx. 600 ohm
• DC signal output: 33mV/dB
• Sampling rate: FAST (125ms) / SLOW (1s)
• Dynamic characteristic: FAST (high speed) / SLOW (low speed)
• Power supply: 4 x AA Size 1.5V battery or USB Power Cable 
• Item Weight: 7.4 ounces
• Product Dimension: 9 x 2.5 x 1.5 inches
• Shipping Weight: 13.6 ounces
• Shipping Dimension: 9.6 x 4 x 2 inches 

Set Includes

• 1 x Sound Level Meter
• 1 x English User Manual
• 1 x AC/DC line
• 1 x USB Power cable
• 4 x AA Battery
• 1 x Carrying Pouch