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Extech 407790A: Real Time Octave Band Analyzer

by Extech

Type 2 integrating sound level meter with Octave and 1/3 Octave Band real time display

For used and refurbished options, call 1 (770) 674-2489.

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  • Product Overview
  • Technical Specifications
  • Resources
  • Accessories
  • 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.

    • Wide measurement in 5 ranges: 20 to 90dB, 20 to 100dB, 20 to 110dB, and 30 to 120dB, 40 to 130dB
    • 3.5" (320x240) TFT color LCD with backlight feature displays Leq, LE, Lmax, Lmin, Lp, L05, L10, L50, L90, L95
    • Stores readings on microSD card
    • Precise linearity over wide range (100dB)
    • 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
  • Specifications Range
    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 functions Lp, Leq, LE, Lmax, Lmin, L05, L10, L50, L90, L95,
    Frequency range 25Hz ~ 10kHz
    Frequency Weighting A, C, and Z
    Time Weighting Fast, Slow, 10ms (τ), I
    Display 3.5" (89mm) 320x240 TFT color backlit LCD; Displays 1/1, 1/3, and 1/1 & 1/3
    1/1- 1/3 Analyzer level range 5 ranges in 10db steps: 20 to 90dB, 20 to 100dB, 20 to 110dB, 30 to 120dB, 40 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: 1 Vrms (at full scale); DC output: 3.0V, 25mV/dB
    Memory microSD card (included)
    Measurement Time 1s to 23h 59m 59s
    Power Four type C size 1.5V batteries, External DC power: 6V, 1A
    Dimensions/Weight 13.6 x 3.9 x 2.4" (345 x 100 x 60mm)/ 33.5oz (950g)

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