Amprobe SM-20A Sound Meter, 31.5 Hz to 8 kHz, +/-1.5 dB, 0.1 dB Resolution, 4 Digits LCD Display, 125 ms/1 s Response

• Designed to meet the measurement requirements of safety engineers, health, industrial safety offices and quality control in various environments
• A and C weightings for checking compliance with safety regulations as well as acoustic analysis
• Measures 30 to 130 dB A-weighting, 35 to 130 dB C-weighting
• Display with 0.1 dB steps on a 4 digits LCD
• Slow (1 s) and fast (125 ms) response settings to check peak and average noise levels
• Max/min recording
• Internal memory, 14000 records
• Recording intervals from 1 s to 8 hr
• PC computer download capabilities
• Data hold to freeze reading on digital display
• Windscreen shields the microphone from wind when taking outdoor measurements
• Records measurements for future reference and comes with a data cable and software for connecting the meter to a computer to transfer and view recorded data

9 VDC Battery, Windscreen, Carrying Case, USB Cable Download, Software CD and User Manual