A photomultiplier tube is a photoelectric cell which detects light and amplifies the associated current by a large factor via the photoelectric effect. Within it, a photocathode integrates some material that emits electrons upon the application of light, and a dynode chain accelerates and contributes to that number of electrons until a detectable current has been attained.

This process requires very steady power due to the subtlety of the subjects analyzed. CPS' compact photomultiplier supplies produce outputs of very low ripple and high stability for applications requiring a particular level of precision.

Power Supplies	Model 5003 — Unipolar (positive or negative) high voltage power supply Single output 0 to +2 kV or 0 to −2 kV Low output ripple Arc and short circuit proof Positive or negative output Internal and external programming Output voltage metering DC or AC line input models Ideal for photomultiplier tubes
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