Designed according to following standards: International Electrician Committee Standard: IEC 651 TYPE 2 & ANSI 1.4 TYPE 2. This Sound Meter meets the measurement requirement of safety engineers, health, industrial environment, which include factory, sports stadium, airport, urban, city noises and audio system, etc..

Features:

Sound level Range:30 to 130dB(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)

 Soft case, USB Lead(power line), manual,AC/DC line, Batteries included

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

Frequency weighting: A/C

Analogy bar graph: 2dB/1 Bar graph

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)

Power supply: 6V (4pcs AA Size 1.5V battery)

Dimension:245*70*45mm

Weight:approx240g(battery included)

Product pictures: