SL124: DC Alarm Relay Module
For Extech SL130G Sound Level Monitor. This Remote Relay Alarm Kit provides a means to interface the Extech SL130G Sound Level Monitor or the RH520A Humidity–Temperature Recorder to an external device to indicate when over limit condition occurs. Includes a 3A DC solid state relay, 9-Foot (3m) alarm relay trigger cable, nickel-plated screws and saddle clamps.
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