407780 Integrating Sound Level Datalogger

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

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Price: $1,379.00

SKU:

407780

Features of the 407780 Extech Integrating Sound Level Datalogger

4 Digit multifunction LCD with analog bargraph
Precise linearity over wide range (100dB)
Display modes: SPL, SEL, MAX-L/MIN-L, 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
Built-in RS-232 interface with Windows® datalogging software included
Data ouput to optional portable printer Modle PR20. Order Below.
Tripod mount. Tripod sold separately. See below.
Meets IEC 651/804 Type 2 and ANSI S1.4 Type 2 specifications
Complete with wind shield, adjustment screwdriver, RS-232 cable, 9 to 25 pin gender changer, Windows™ software, battery, and case
Optional Certificate of Calibration, traceable to N.I.S.T. with data at multiple points

Applications of the 407780 Sound Level Meter

Specifications of the 407780 Integrating Sound Level Data Logger

Applicable Standards IEC 651 And 804 Type 2, ANSI S1.4 Type 2
Accuracy ±1.5dB (ref 94dB@1KHz)
Resolution 0.1dB
Digital Display 4 digital LCD
Measurement Parameters SPL, Leq, SEL, MaxL, MinL
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, 100ms 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 adapters. Order below
Battery Life Approximately 20 hours
Dimensions 10.4x2.8x0.8" (265x72x21mm)
Weight 10.9oz (310g)

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Option	SKU	Price
407780 Integrating Sound Level Datalogger	407780	$1,379.00
407780-NIST Int'ing Sound Level Datalogger w/ NIST	407780-NIST	$1,504.00