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JUMP TO UV Transmittance PRODUCTS

UV Transmittance (UVT)

Popular ProductsSensorex UV Transmittance Best Sellers

UVT-LED-SW – UV Transmittance Monitor, Online

The UVT-LED-SW Online UV Transmittance Sensor provides reliable UVT measurements for UV disinfection optimization. Ideal for continuous monitoring of open…

Add to Cart | $13,816.11

LPM100 – Display, Loop-Powered 4-20mA

The LPM100 is a durable, loop-powered 4-20mA display for use in process monitoring applications. Compatible with any sensor with a 4-20mA output,…

Add to Cart | $1,013.83

UVT-LED-H Handheld UV Transmittance Monitor

Our UVT-LED-H Portable UV Transmittance Monitor is ergonomic, lightweight, and simple to use. Obtain incredibly accurate UV Transmittance data on water…

Add to Cart | $3,886.78

What is UV Transmittance (UVT)?

UV Transmittance, also known as ultra violet transmittance, refers to the percentage of light that passes through a water sample at the wavelength of 254 nm. UVT relates to the organics, colloidal solids, and suspended particles that absorb and scatter this UV light wavelength. The amount of UV light absorbed by the sample is known as the UV Absorbance (expressed as A254). Absorbance and transmittance are relevant by this logarithmic function A = log 10 (1/T).

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Why is UVT Measurement Necessary?

The measurement provides valuable insight to the suspended solids and organics content in the water sample, and is a parameter used in the dose calculation for UV disinfection systems.

UV disinfection performance optimizing in wastewater

UVT measurement helps optimize UV disinfection by ensuring adequate UV light penetration for effective microbial inactivation in wastewater.

Dose control in drinking/processing water

UVT is used to control the UV dose applied to drinking and processing water, ensuring effective disinfection while minimizing energy use.

Size and design of UV disinfection systems

UVT is crucial for determining the appropriate size and design of UV disinfection systems to match the water’s specific transmittance characteristics.

Selection of the optimal disinfection treatment process

UVT measurement assists in selecting the optimal disinfection treatment process by evaluating the water’s ability to transmit UV light for effective pathogen removal.

Disinfection by-product (DBP) formation potential upstream to chlorination

UVT helps assess the potential for DBP formation by analyzing the water’s organic content before chlorination.

Micropollutant removal efficiency of wastewater treated with ozone

UVT aids in evaluating the efficiency of ozone treatment for removing micropollutants from wastewater by indicating the level of organic matter present.

Optimize chemical dosing for turbidity and organics removal

UVT measurement helps optimize chemical dosing for turbidity and organics removal by quantifying the concentration of suspended particles and organic compounds in the water.

Source water quality monitoring the drinking water treatment plant

UVT is used for real-time monitoring of source water quality to adjust treatment processes at drinking water treatment plants.

Filtration membrane protection from biofouling

UVT data can guide the management of filtration systems by monitoring organic content that may contribute to biofouling and membrane degradation.

How is UVT Transmittance Measured?

Ultraviolet (UV) light, at the wavelength of 254 nm, is passed through a path of a 1cm water sample. Compared to a light intensity being measured in pure water and displaying a percentage, the intensity of the light is measured beside a photodiode.

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