Model HPQ-D Liquid Leak Detectors
Azbil Liquid Leak Detectors with Self-contained Built-in Amplifier, Model HPQ-D11 (open collector NPN) and Model HPQ-D12 (open collector PNP), detect leaks optically and require no absorbent paper. Because the optical method detects liquid directly, leaks are detected accurately regardless of liquid conductivity.
The detectors can be used with a variety of liquids, including acids and alkaline liquids, IPA (isopropyl alcohol), pure water, Fluorinert™, and Galden™. The body and cable are protected by PFA, and maintenance is easy: after a leak is detected, simply dry the detector surface. An operation indicator lets you check the switch status from the side of the body. A wide variety of output models and types are available, suitable for export equipment.
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