Extech Sound Level Alert and Alarm with Sound Calibrator

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Extech Sound Level Alert and Alarm with Sound Features

• Calibrates and verifies Sound Level Meter operation

• For use on Sound Level Meters with 0.5" or 1.0" microphones

• Total Harmonic Distortion (THD) <2% at 94dB

• Meets IEC standard 60942 1997-11

• User settable high or low Limit (30 to 130dB) indication with output to drive external Relay Module

• Microphone rotates 180° for desired placement

• Meets ANSI type 2 and EN 60651 accuracy specs compliant to OSHA

• When the sound level exceeds the hi set point the red LEDs Flash and can be seen from 30M 100ft

About Extech Sound Level Alert And Alarm With Sound