Datasheet

PRODUCT DATASHEETPRODUCT DATASHEET

407790A Real Time

Octave Band Analyzer

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.

Applications:

- Real time analysis of noise from any source such as machinery or vehicles

- Monitor ofﬁce or plant noise and store data for later reference and analysis

- Maintain noise level statistics for internal and external audits

- Perform machinery noise monitoring or use for noise reduction programs

Features

• Wide 100dB range of 30 to 130dB

• 160 x160 dot matrix backlit LCD displays Leq, LE,

Lmax, Lmin, Lp, L

05, L10, L50, L90, L95

• Stores readings on microSD card

• Transferred data to a PC to be analyzed using software

and cable provided

• A, C and Z weighting with Fast or Slow response

• 25Hz to 10kHz frequency response

• Meets ANSI and IEC Type 2 standards

• Internal self test when powered ON

• Detachable 0.52" (13.2mm) diameter condenser

microphone and Tripod mount provided on rear

• 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)

• Complete with Windows

compatible software, USB

cable, 4 x C batteries, microphone wind screen, mini

screwdriver, 120V AC adaptor, and case

Ordering

407790A N ...... Real Time Octave Band Analyzer

Accessories

407764-EXT ...... 15ft (4.7m) Microphone Extension Cable

407744.............. 94dB Sound Level Calibrator

407766.............. 94/114dB Sound Level Calibrator

www.extech.com

Rev. 6/8/16

UPC Code: 793950407912

N Indicates products that are available with optional calibration traceable to NIST. Order with -NIST after part number.