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The HPQ-D series liquid leak detector is a photoelectric sensor with self-contained amplifier that can detect even small amounts of water, acids, alkaline liquids, IPA (isopropyl alcohol, Flourinert, Galden and other liquids. Sensor body and cable are protected by PFA coating and no absorbing papers are used.
HPQ-D13 – Output NPN open collector, normally Off, On when leak detected. Bracket material PVC