Amprobe SM-20A Sound Meter 30 to 130 dB

Amprobe SM 20A

The Amprobe SM-20A Sound Meter is engineered for assessing compliance with safety standards and conducting acoustic evaluations, making it a valuable tool for safety engineers, health officials, industrial safety personnel, and quality control teams. This device also features a PC interface for enhanced usability.

It incorporates two distinct weighting filters, adhering to the requirements of IEC651 and ANSI S1.4 Type 2 for audio filtering. The A-weighting filter is intended for general noise level measurements, while the C-weighting filter is used for assessing sound levels in acoustic material control across various environments (e.g., 94 dB at 1 kHz).

Amprobe SM-20A Key Features

• 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
• Measuring ranges: A weighting 30 – 130 dB, C weighting 35 – 130 dB
• Frequency range: 31.5 Hz – 8 kHz
• Display with 0.1 dB steps on a 4 digit LCD
• Slow (1 sec) and fast (125 ms) response settings to check peak and average noise levels
• Max/min recording
• Internal memory, 14,000 records
• Recording intervals from 1 second to 8 hours
• PC computer download capabilities
• Data hold to freeze reading on digital display
• CE, designed to meet IEC651 type 2, ANSI S1.4 type 2