Pyxis Lab ST-525 Inline Fluorescein Sensor

Overview

The ST-525 offers a proprietary design that utilizes LED light sources for the direct measurement of Fluorescein. This simple, smart sensor is perfect for a water treatment professional working in industrial boiler water and process treatment applications. The ST-525 offers proprietary Pyxis Lab® algorithms to determine the concentrations of Fluorescein at levels as high as 60ppb. While simultaneously measuring light loss through the optical channel to determine sensor cleanliness. The ST-525 offers a combination of 4-20mA as well as RS-485 Modbus output signals. It is Bluetooth Enabled for wireless cleanliness diagnostics and calibration when used with MA-WB or PowerPACK Series. Easily connect to the uPyxis APP for Mobile or Desktop devices. The ST-525 Series is provided in CPVC with the standard Pyxis ST-001 inline 3⁄4” FNPT Tee assembly, 5-foot bulk-head cable with quick adapter and 1.5ft flying lead cable with quick adapter, enabling rapid wiring to any microprocessor controller, PLC or DCS system.

Specifications

Documentation

Specifications reproduced from the manufacturer's published product information (pyxis-lab.com), retrieved 18 August 2026. Pyxis Lab is a trademark of its owner. Confirm all specifications with ForeverPure before purchase.