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Extech 407780A Integrating Sound Level Meter

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  • Leq and SEL measurements with built-in datalogger and PC interface
  • 30 to 130dB measurement range with ±1.5dB accuracy
  • 4-digit multifunction LCD with analog bar graph

rrp £1,271.31

now £1,031.00 (Ex. VAT) £1,237.20 (Inc. VAT)

rrp £1,271.31


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"Leq and SEL measurements with built-in datalogger and PC interface"

  • Description

    Extech 407780A Integrating Sound Level Meter

    Boasting a 4-digit multifunction LCD with analog bar graph, the Extech 407780A Integrating Sound Level Meter offers Leq and SEL measurements with built-in datalogger and PC interface.

    Capable of datalogging up to 32,000 readings using the included software and USB cable, the Extech 407780A provides a precise linearity over a wide range (30 - 130dB) and offers a range of display modes, including SPL, SPL MIN/MAX, SEL, and Leq.

    With features including real time calendar/clock, programmable integrating time, A & C frequency weighting and impulse/fast/slow response settings, the Extech 407780A can also be used to connect with frequency analyzers, chart recorders, external dataloggers and sound level alarms using its analog and alarm output.

    Tripod mountable, the Extech 407780A meets IEC 61672-1, 60651/60804 Type 2 and ANSI S1.4 Type 2 specifications and comes complete with windscreen, adjustment screwdriver, USB cable, Windows® compatible software, battery, and case.

  • Specification

    • Applicable Standards: IEC 61672-1, 60651 and 60804 Type 2, ANSI S1.4 Type 2
    • Accuracy: ±1.5dB (ref 94dB@1KHz)
    • Resolution: 0.1dB
    • Digital Display: 4 digital LCD
    • Measurement Parameters: SPL, SPL MIN/MAX, SEL, and Leq
    • Measurement Range: 30dB to 130dB
    • Linearity Range: 100dB
    • Measurement Frequency Range: 31.5Hz to 8KHz
    • Frequency Weighting: A and C
    • Response: Impulse, Fast and Slow
    • Microphone: 1/2 " Electret condenser microphone
    • Sampling time: updated every 0.5s
    • Bargraph: 4dB steps, 100dB range, 125ms update
    • Overrange Indicator: Displayed at the upper limit
    • Underrange Indicator: Displayed at the lower limit
    • Analog AC/DC Output: 2Vrms (at full scale), 10mVDC/dB
    • Power Supply: Four 1.5V AA batteries, Optional AC adapter
    • Battery Life: Approximately 24 hours
    • Dimensions: 10.4x2.8x0.8" (265x72x21mm)
    • Weight: 10.9oz (310g)
  • Supplied Accessories

    • Extech 407780A Integrating Sound Level Meter
    • Windscreen
    • Adjustment screwdriver
    • USB cable
    • Windows® compatible software
    • 4 AA batteries
  • Product Documents

    Product Attachments

    View FileExtech 407780A Integrating Sound Level Meter Datasheet    Size: (86.77 KB)
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