Features:

Sound level Range:30 to130dB(Auto Ranging)

Frequencyweighting: A/C

Fast/Slow timeweighting selection

32000 ReadingInternal Memory (Data record function)

Max Hold function

High accuracy

Bar graph display

AC/DC function

White Backlight

Over / Underalert function

Time display

Auto-off functionsetup

Low Battery Alert

Tripod Mount (Tripodnot included)

Software, USB Lead,Case & Batteries included

CE Certified& RoHS Compliant

Computer connection required

Specifications:

Calibrationsound source: 94dB @ 1kHz

Measurementrange: 30~130dBA

Accuracy:+1.5dB(reference sound pressure standard,94dB@1KHz)

Frequencyresponse: 31.5~8.5KHz

Resolution: 0.1dB

Frequencyweighting: A/C

Analogybar graph: 2dB/1 Bar graph

Samplingrate: 2 times/second (FAST), 1 time/second (SLOW)

ACsignal output: 4Vrms/ full barograph, outputimpedance is approx 600 ohm

DCsignal output: 33mV/dB

Dynamiccharacteristic: FAST (high speed) / SLOW (lowspeed)

Datastorage quantity: 32000 readings

Powersupply: 6V (4pcs AA Size 1.5V battery)

Dimension:245*7*45mm

Weight:approx240g(batteryincluded)

Product description:

1. Sponge ball(Mandatory for outdoor use to prevent wind noise disturbing the unit readings)

2. USB socket

3. Capacitancemicrophone

4. LCD display withbacklight

5. Power on/off switch

6. A/C frequencyweighting selection button

7. MAX readingbutton

8. FAST/SLOW button

9. Backlight button

10. REC button

11. Tripod mountingthread

12. Battery cover

13. AC output socket(for analog output)

14. DC output socket(for analog output)