Extech 407790 Data Sheet

www.extech.com

3/28/08 - R1

Type 2 integrating sound level meter

With Octave and 1/3 Octave Band Real Time Display

Real Time Octave Band Analyzer

Features:

• Wide 100dB range of 30 to 130dB

• 160 x160 dot matrix backlit LCD displays

Leq, LE, Lmax, Lmin and Lp

• Built-in memory stores up to 12,280 records in SLM mode and

1024 data points in 1/1 or 1/3 octave mode

• Stored data can be easily transferred to a PC via

RS-232 interface and analyzed using software & cable provided

• A, C and Flat 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 microphone wind cover, PC software on CD,

Serial cable, four type C size batteries, adjustment screwdriver, 120VAC adaptor and carrying case

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

Complete with Windows

95/98/NT/2000/ME compatible software, Serial cable, 4 x C batteries, mini screwdriver, 120V AC adaptor, and case.

Ordering Information:

407790 ................Octave Band Sound Analyzer

407790-NIST ......407790 with NIST certificate

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

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

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

USB100................RS-232 to USB Adaptor

Specifications

Applicable standards ANSI S1.4 Type 2, EN IEC 60651, EN IEC 60804, and EN IEC 1260-1995 Accuracy ±1.5dB (ref 94dB @ 1kHz) Measurement range / function 30dB to 130dB / La, Lc, Lp, Leq, LE, Lmax, Lmin Frequency range 25Hz ~ 10kHz Sound level meter display Integrating SLM: Digital, 4 Digits with Bargraph Real Time Analyzer display Graphical, Bargraph with cursor 1/1- 1/3 Analyzer level range 30 to 130dB 1/1 Octave and 1/3 Octave 1/1 Octave band center frequencies: (9 bands);

1/3 Octave band center frequencies: (27 bands): Signal output AC output: 2 Vrms (at full scale); DC output: 10mVDC/dB Power Four type C size 1.5V batteries, External DC power: 6V, 1A Safety/Warranty CE approved, one year warranty Dimensions/Weight 13.6 x 3.9 x 2.4" (345 x 100 x 60mm)/ 33.5oz (950g)

Software screen

Digital Display