Extech 407780
Integrating Sound Level Meter

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

• 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