Extech 407780A Specifications
407780A Integrating
Sound Level Meter
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
Features
• 4-digit multifunction LCD with analog 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
• 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
and case
®
datalogging software
®
compatible software, battery,
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Ordering
407780A ........... Integrating Sound Level Datalogger
Specifi cations subject to change without notice. Copyright © 2013-2014 FLIR Systems, Inc. All rights reserved including the right of reproduction in whole or in part in any form.
Rev. 4/2/14
www.extech.com
Specifi cations
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
Display Warning Function
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)
Specifi cations subject to change without notice. Copyright © 2013-2014 FLIR Systems, Inc. All rights reserved including the right of reproduction in whole or in part in any form.
www.extech.com
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