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SL130

Sound Level Alert

Extech Instruments Corporation. 

Remote Microphone (optional)

The optional 15’ remote microphone

cable can be used to place the microphone in one

location while viewing the dB levels and/or generating a high limit

alarm at another location. To remove the microphone, unscrew

the holding collar and lift the microphone off the connector. The

extension cable can then be plugged into the matching

connectors. Calibration should be performed after the cable is

installed.

Alarm Output (optional)

The alarm output drives the optional Remote Alarm Relay Module (cable and relay) when

the LIMIT set point is exceeded. The relay module can be used to power external warning

signs, “QUIET” signs or other indicating devices when the sound level is higher than the

programmed limit. Refer to the manual supplied with the module for connection

information.

Rear AC Adaptor and Alarm outputs.

7

Version 3.2 8/07

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