English Datasheet

Real Time Octave Band Analyzer
Type 2 integrating sound level meter
With Octave and 1/3 Octave Band Real Time Display
• 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
• 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.
Applicable standards
Measurement range / function
Frequency range
Sound level meter display
Real Time Analyzer display
1/1- 1/3 Analyzer level range
1/1 Octave and 1/3 Octave
Software screen
Digital Display
Ordering Information:
Signal output
ANSI S1.4 Type 2, EN IEC 60651, EN IEC 60804, and EN IEC 1260-1995
±1.5dB (ref 94dB @ 1kHz)
30dB to 130dB / La, Lc, Lp, Leq, LE, Lmax, Lmin
25Hz ~ 10kHz
Integrating SLM: Digital, 4 Digits with Bargraph
Graphical, Bargraph with cursor
30 to 130dB
1/1 Octave band center frequencies: (9 bands);
1/3 Octave band center frequencies: (27 bands):
AC output: 2 Vrms (at full scale); DC output: 10mVDC/dB
Four type C size 1.5V batteries, External DC power: 6V, 1A
CE approved, one year warranty
13.6 x 3.9 x 2.4" (345 x 100 x 60mm)/ 33.5oz (950g)
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 subject to change without notice.
6/11/08 - R1
Copyright © 2008 Extech Instruments Corporation. All rights reserved including the right of reproduction in whole or in part in any form.