Professional Sound Level Meter with Backlight Display High Accuracy Measuring 30dB-130dB (with Data Record Function)

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