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The Extech 407780 sound level datalogger features Leq and SEL measurements, a built-in data logger, and PC interface. The Extech 407780 sound level datalogger has high accuracy, ± 1.5dB, that meets Type 2 standards ( ANSI S1.4-1983, IEC 60651, EN 60651) . Other features of the Extech 407780 sound level datalogger include a programmable integrating time, real time calendar / clock, and linearity over a wide range ( 100dB) .
The Extech 407780 sound level datalogger comes complete with RS-232 cable, 9 to 25 pin gender changer, Windows ® 95/ 98/ NT/ 2000/ ME/ XP compatible software, microphone wind cover, 4 AA batteries, and convenient carrying case.
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 included Windows® datalogging software
Tripod mount
Meets IEC 651/ 804 Type 2 and ANSI S1.4 Type 2 specifications
Applications:
Perform Leq and SEL measurements
OSHA compliance Testing
Noise Ordinance
Machine Noise Evaluation
Data Storage for pertinent records
