Extech SL130G, Sound Level LED Alert, 110V AC Adaptor - SL130G

Manufacturer's Link: http://www.extech.com/instruments/product.asp?catid=18&prodid=231

Features:

• Ideal for industrial,hospital,auditoriums,schools and other areas where there is a need for being alerted when sound level reaches set point
• Meets ANSI Type 2 and EN 60651 accuracy specs compliant to OSHA
• User settable high or low limit (30 to 130dB) indication with output to drive external relay module
• Microphone rotates 180° for desired placement. Optional 5m (15ft) microphone extension cable for remote monitoring
• Complete with 100-240V AC 50/60Hz adaptor,microphone wind cover,and built-in wall,desk and tripod mount (optional Tripod TR100)

Applications:

• Industrial,Hospitals,Classrooms,and special quiet zones - When the sound level exceeds the HI set point the RED LEDs flash and can be seen from 30m 100ft.
• Speakers/Educators/Instructors,Auditoriums and Theaters - The user can set the SL130 so the RED LEDs flash when the sound level is below the LO set point where people in the audience may not be able to hear. When the sound level is above the LO set point,the GREEN LEDs indicate the sound level is acceptable. The user can reverse the Red and Green LEDs activation per user color preference.