Decibel Meter Data Logger Professional Sound Level Meter High Accuracy Noise Meter with 30dB to130dB Measuring Range& Data Record Function for Classroom, Workshop, Home, etc.

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

Features
Fast/Slow time weighting selection
32000 Reading Internal Memory (Data record function)
PC Interface (Compatible with Windows 10, 8, 7, Vista and XP)
Maximum data recording limit can be adjusted via the PC interface
Tripod Mount (Tripod not included)
Includes CD Software (dual language: English, Chinese), AC/DC wire & batteries
CE Certified & RoHS Compliant

Specifications
Standard Applied: IEC651 type 2, ANSI SI .4 type 2
Calibration sound source: 94dB @ 1kHz
Measurement range: 30~130dBA
Accuracy: +1.5dB(reference sound pressure standard,94dB@1KHz)
Record Interval: 1~60 sec / 1~60 min / 1~24 hrs
Frequency response: 31.5~8.5KHz
Frequency weighting: A/C
Analogy bar graph: 2dB/1 Bar graph
Measurement Unit: dBA / dBC
Sampling rate: 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
Dynamic characteristic: FAST (high speed) / SLOW (low speed)
Windows Compatibilty: Windows 10, 8, 7, Vista and XP (Do not run in Mac OS)
Power supply: 4pcs x AA Size 1.5V battery or the USB Power Cable
Item Weight: 7.4 ounces
Product Dimension: 9 x 2.5 x 1.5 inches

Set Includes
1 x Sound Level Meter
1 x English User Manual
1 x CD Software (English)
1 x USB Cable
1 x AC/DC line
4 x AA Battery
1 x Carrying Pouch