Digital Sound Level Decibel Meter 30-130dB Pressure Tester USB Auto Ranging with Internal Memory and Data Logging Function

Designed according to following standards: International Electrician Committee Standard: IEC 651 TYPE 2 & ANSI 1.4 TYPE 2. This Max Measure 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.. Type C weighting for audio and general purpose applications in warehouses, manufacturing units, offices, schools, pubs, clubs etc Type A weighting for music & human hearing responses Features: Sound level Range:30 to 130dB (Low=30-100dB ,High=60-130dB) Auto Ranging Frequency weighting: A/C Fast/Slow time weighting selection 32000 Reading Internal Memory (Data record function)* Max Hold function High accuracy Bar graph display AC & DC analogy signal output are available connecting to frequency analyzer level recorder, FFT analyzer and graphic record. White Backlight Over / Under alert function* Time display Auto-off function setup Low Battery Alert Tripod Mount (Tripod not included) Software, USB Lead, DC 6V Cable, Case & Batteries included CE Certified & RoHS Compliant Specifications: 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 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) Data storage quantity: 32000 readings Power supply: 6V (4pcs AA Size 1.5V battery) Dimension: 245 x 70 x 25m Weight: 240g approx. inc. battery Set Includes: Meter USB Lead Software DC 6V Cable Soft Case Battery Manual