Measure general noise and acoustic sound levels
The Amprobe SM20A is a handy tool to make sure equipment complies with safety regulations. Designed to analyse acoustics and general noise levels, it is used by health & safety engineers, industrial tradesmen and quality control inspectors.
The tool uses two filters; the A weighting is designed for checking general noise levels and the C weighting measures acoustic material in various environments. It has a dynamic range of 50dB and frequency range of 31.5 Hz to 8 kHz.
Features of the SM20A sound meter:
· Used to check noise and acoustic levels comply with safety regulations
· PC interface for downloading data
· Uses 2 different weighting filters required by the IEC651 and ANSI S1.4
· 1/2 electret condenser microphone
· Time weighting: fast (125 mS), slow (1 sec)
· Measuring level range: A-Weighting: 30 dB - 130 dB and C-Weighting: 35 dB - 130 dB
· Internal memory stores 14,000 records
· LCD display screen (4-digit display)
· Battery powered (9V NEDA 1604, IEC 6F22, JIS 006P)
· Automatically switches off after 5 minutes
· Indoor operation: < 2000m
· Comes with carrying case, windscreen, instructions and 9V battery