The SM-200 Sound Level Meter is a professional-grade Type 2 instrument designed for accurate sound measurement in occupational, industrial, and environmental settings. It measures noise levels from 35 to 130 dB, with selectable low (35-100 dB) and high (65-130 dB) ranges, and delivers ±1.5 dB accuracy with 0.1 dB resolution. Operating across a 31.5 Hz to 8 kHz frequency bandwidth, it features A and C frequency weighting and Fast (125ms) / Slow (1s) response time options for flexible testing conditions. The unit complies with ANSI S1.4-1983 and IEC 60651 Type 2 standards, ensuring regulatory reliability. Ideal for workplace noise assessments (OSHA), event planning, construction, transportation noise evaluation, and product development, the SM-200 is lightweight (6.75 oz.) and compact (9.5 x 2.7 x 1.0 in.). Powered by a 9V battery, it comes complete with a windscreen and carrying pouch for field-ready convenience. Perfect for Environmental Health and Safety officers, industrial hygienists, site managers, acoustic engineers, and airport or vehicle testing professionals.