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The Dytran model 4758A is a line-operated low noise constant current power unit designed to power IEPE sensors. This power unit separates the sensor’s dynamic signal from its DC bias voltage and amplifies the sensor signal by selectable factors of X1, X10 or X100.

Units supply a fixed 4 mA of constant current power to the IEPE sensor. If more current is required for a specific application such as when driving long cables, it is possibly to modify this unit to provide up to 20 mA of sensor drive current. Consult the factory for details.

The 4758A uses an external AC to DC converter and is compatible with 110-230 VAC AC source.