Extech SL130-220 Sound Level Alert with 220V Adapter
Built-in LEDs alert user when sound level is too high or too low
* Bright LEDs (red flashing or green) alert user when sound level is too high or too low - LEDs can be read from 30m (100ft)
* Continuous Monitoring of Sound Level Wall desk or tripod mount with optional 15ft (5m) microphone extension cable for remote monitoring
* User settable high or low limit (30 to 130dB) with output to drive external relay module
* Meets ANSI Type 2 and EN 60651 accuracy specs - compliant to OSHA