Extech 407780A Integrating Sound Level Meter

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The Extech 407780A Sound Level Meter complies with the requirements of IEC 61672‐1:2003 standard for a Class 2 instrument.

Leq and SEL measurements with built-in datalogger and PC interface. Datalogs up to 32,000 readings using included software and USB cable.

Applications:

  • Perform Leq and SEL measurements
  • OSHA compliance Testing
  • Noise Ordinance
  • Machine Noise Evaluation
  • Data Storage for pertinent records

CE    1 Year

PDF   Extech 407780A User Manual

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Extech 407780A Features:

  • 4-digit multifunction LCD with analogue bargraph
  • Precise linearity over wide range (100dB)
  • Display modes: SPL, SPL MIN/MAX, SEL, and Leq
  • Programmable integrating time
  • A and C Frequency weighting
  • Impulse/Fast/Slow response settings
  • Datalogging function records up to 32,000 records
  • Real time calendar/clock
  • Analog and alarm output features can be used to connect with Frequency analyzers, chart recorders, external dataloggers, and sound level alarms
  • Built-in USB interface with included Windows® datalogging software
  • Tripod mount
  • Meets IEC 61672-1, 60651/60804 Type 2 and ANSI S1.4 Type 2 specifi cations
  • Complete with windscreen, adjustment screwdriver, USB cable, Windows® compatible software, battery, and case

Extech 407780A USB Sound Level Specifications

Microphone 0.5″ (12.7mm) Electret Condenser Microphone
Measurement Range 30 to 130dB
Frequency Range 31.5 to 8kHz
Sampling Time Updated every 0.5s
Accuracy ±1.5dB (ref 94dB@1KHz)
Resolution 0.1dB
Measurement Parameters SPL, SPL MIN/MAX, SEL, and Leq
Frequency Weighting A and C
Response Impulse, Fast and Slow
Data Storage Capacity 32,000 Samples
Battery (4) 1.5 Volt AA Batteries
Battery Life Approximately 24 Hours
PC Interface USB
Software Windows XP and Vista 32-Bit Compatible
Standards Compliance IEC: 61672-1, 60651 and 60804 Type 2
ANSI: S1.4 Type 2
Dimensions 265mm x 72mm x 21mm
Weight 310 grams

 

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