• Wide measurement in 5 ranges: 20 to 90dB, 20 to 100dB, 20 to 110dB, and 30 to 120dB, 40 to 130dB
• Analog AC/DC recorder output
• Real time clock with Year, Month, Day, Hour, Minute and Second display
• Optional microphone extension cable for measurements in enclosures and other remote locations (407764-EXT)
• Meets ANSI and IEC Type 2 standards

Extech’s Type 2 Integrating Sound Level Meter with Octave and 1/3 Octave Band Real Time is displayed on a large 3.5" 320x240 TFT color backlit LCD. The Sound Level Meter complies with the requirements of IEC 61672‐1:2003 standard for a Class 2 instrument. See specifications section for more applicable standards that apply to this meter.