UV Transmittance Monitor Online UVT Monitoring for UV Water Treatment Systems UV transmittance (UVT) indicates how effectively ultraviolet light can pass through water and is an important parameter in UV treatment processes. UVT can vary with water quality, including changes in dissolved organic matter, colloidal solids and other UV-absorbing substances. Continuous monitoring helps operators track these changes and evaluate whether sufficient UV light can penetrate the process water. UIEX supplies UV transmittance monitoring solutions for integration with UV water treatment systems. When selecting or replacing a monitor, the measurement wavelength, optical path length, process connection, signal output and control-system requirements should be confirmed to ensure compatibility with the existing installation. | ![]() |
Replacement & Compatibility |
Providing the following information can help UIEX identify a suitable UV transmittance monitor for your existing UV system. |
Existing monitor / sensor model Original monitor, sensor or controller reference Measurement requirement Required UVT measurement range and monitoring application Measurement wavelength Typically 254 nm for UV disinfection applications | Optical path / installation Required path length and installation configuration Signal output 4–20 mA, digital or other required output signal Control-system interface PLC, controller, SCADA or other integration requirements | |
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Where the original monitor reference is unavailable, measurement, installation and signal-interface requirements can be used to support replacement matching. | ||
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