Sound Level Monitor
Extechâ€™s new Type 2 sound level monitor with alarm, Model SL120, gives a warning when sound levels exceed the programmable set point. Adjustable between 30-130 dB, the alarm warning can be easily seen on large LCD and over-limit indicator. The SL120 can also send a signal to optional relay module to illuminate any remote â€œnoise exceededâ€ indicators.Extech Instruments Corp., Waltham, MA.
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