Triplett SLM400 Sound Level Meter

Ensure accurate, compliant sound monitoring across worksites and public venues with the Triplett SLM400 Sound Level Meter. Built for B2B technicians, safety managers and environmental consultants, this Type 2 sound meter provides dependable decibel readings for OSHA compliance, community noise ordinances, event management and security monitoring. The SLM400 meets IEC 61672-1 / ANSI S1.4 Type 2 standards with ±1.5 dB accuracy, giving you the confidence to act on measured data. Choose A or C weighting and switch between Fast (125 ms) and Slow (1 s) response modes to capture transient or averaged noise levels in construction zones, airports, wind farms, or stadiums. The kit ships with a 9V battery, windscreen and hard carrying case so teams can deploy it immediately for field surveys, surveillance, and ongoing environmental monitoring. Rugged and easy to use, the Triplett SLM400 simplifies noise assessments so you can protect workers, validate mitigation measures and document compliance. Add the SLM400 to your toolkit for reliable, professional sound level testing and monitoring.

• Delivers reliable, compliant noise measurements so you can verify worker safety and meet regulatory requirements quickly
• IEC 61672-1 / ANSI S1.4 Type 2 accuracy (±1.5 dB) for confident decibel readings in the field
• A and C weighting with selectable Fast (125 ms) and Slow (1 s) response to suit industrial, environmental, and event monitoring
• Field-ready kit includes 9V battery, windscreen and hard carrying case for transport and outdoor use
• Compact, rugged design that streamlines site surveys, noise mapping, security monitoring and surveillance applications