IMI Industrial Monitoring Instrumentation

Series 685AX1 Electronic Vibration Switch- Electronic, DC power, single switch

This general-purpose electronic vibration switch is DC powered, utilizes an on-board accelerometer, and offers a single, 5-amp, Form C relay output.

Electronic switches require power to operate and utilize an input signal that is provided by an electronic vibration sensor, or accelerometer. This sensor may be built into the switch enclosure, or remotely located. A remote sensor is advantageous when the vibration switch enclosure will not fit within the installation location, or if the temperature at the installation location exceeds the capability of the switch's electronic components. The amplitude of the electrical signal generated by the sensor is proportional to the experienced vibration. Circuitry within the switch compares this signal amplitude against a predetermined threshold value.

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