The transmission of ultraviolet light through water can be affected by dissolved metals, like iron, that appear invisible. The new Aquionics PearlSense T254 provides UV disinfection system manufacturers and operators with highly accurate UVT readings in all conditions over an extended lifetime. It features a fixed position single lamp and sensor design with an automatic two-point reference check, and a UV-LED light source allows instant activation and mercury-free operation. It can is capable of battery and solar-powered operation and can be used in a variety of configurations, and the monitor can withstand unlimited cycling without lamp degradation. Aquionics, A Halma Company
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