Extech 407736-NIST Sound Level Meter with NIST<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Meets ANSI and IEC 651 Type 2 standards</li><li>Two measuring ranges: 35 to 90dB (Low) and 75 to 130dB (High)</li><li>Max Hold with reset button</li><li>Built-in calibration check (94dB)</li><li>Analog AC/DC outputs for connection to an analyzer or recorder</li></ul></div><img src="http://ecx.images-amazon.com/images/I/31i%2BD1ucm0L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/5188PYl7WeL.jpg" noproxy>