407764-EXT:15ft (4.7m) Microphone Extension CableExtension cable for remote sound level measurementsExtech's 407764-EXT is a fifteen foot Microphone Extension Cable for use with Extech's Models 407355, 407780 and 407790 Sound Level Meters.
Extech 407780A: Integrating Sound Level Meter with USB
Leq and SEL measurements with built-in datalogger and PC interfaceThe 407780A is an integrating sound level meter with USB. The meter takes Leq and SEL measurements with A and C frequency weighting options. The meter has a built in datalo..
407790A: Real Time Octave Band Analyzer
Type 2 integrating sound level meter with Octave and 1/3 Octave Band real time display
Extech's Type 2 Integrating Sound Level Meter with Octave and 1/3 Octave Band Real Time is displayed on a large 3.5" 320x240 TFT color backlit LCD.Features: