Description:

• Measuring range: 30-130dBA

• Accuracy: among 1.5dB

• Frequency range: 31.5Hz to 8.5KHz

• Frequency weighting: A

• Digital display: 4digits

• Resolution: 0.1dB

• Sample rate: 2 times/second

• Microphone: 1/2 inch electret condenser microphone

• Max hold: MAX

• Power supply: 9V battery (the battery is not included)

• Power life: About 30 hours (alkaline battery)

• Operating condition: 0-40degree 10-80%RH

• Storage condition: -10--+60degree 10-70%RH

• Size:57*26*149mm

• It is designed according to following standards， International Electrician Committee Standard: IEC 651 TYPE 2 & ANSI 1.4 TYPE 2.

• With modern compact and portable appearance design.

• Accuracy up to among 1.5dB.

• Maximum value holding function to lock up the maximum reading.

• Large LCD screen with digits reading.

• Equipped with a sponge ball.

• Auto power off design for energy saving.

• Auto backlight display.

• Portable， easy-to-use and handy instrument for sound quality control in factory， traffic， family， and audio system.

Package Included:

• 1 X Decibel Noise Tester

Come with original retail box