Extech SL130W-NIST Sound Level Meter, 30dB to 130dB, 8kHz max

The FLIR sound level alert system that allows for continuous monitoring of sound levels in various environments. It features bright LEDs that alert users when sound levels exceed set points, making it ideal for industrial, hospital, auditorium, and school applications.

Microphone rotates 180° for optimal placement
Meets ANSI Type 2 and EN 60651 accuracy specs, compliant to OSHA standards
Frequency bandwidth of 31.5 Hz to 8 kHz for comprehensive sound monitoring
Programmable response time with fast and slow settings (125ms / 1s)
Alarm output with 3.5mm Mono Phone Plug, suitable for external connections