UVA Irradiance & Dosage Sensor

Name: UVA Irradiance & Dosage Sensor
Brand: MKS Ophir, Light & Measurement

Accurate UV measurement is challenging. Calibrated over the UVA and violet spectral range (350-450 nm), the Ophir^® PD300RM-UVA Irradiance and Dosage Sensor provides a flat spectral response that is forgiving of inexact wavelengths, wide bandwidths, and wavelength shifts (e.g. due to heating). This allows for measuring both narrowband (lasers) and broadband sources, such as LEDs, without the need to know the exact wavelength. The sensor also supports measuring sources at different wavelengths simultaneously. It is designed to analyze light sources, including for UV curing and drying of polymers, paints, and other UV responsive materials that are used in industrial applications, such as semiconductor processing and additive manufacturing.

The PD300RM-UVA sensor, with its small form factor, UV-resistant design, and NIST-traceable calibration over the UVA and violet spectrum, generates accurate and reproducible irradiance and dosage measurements. When used in conjunction with Ophir meters, the sensor can be employed in early R&D projects, used for calibration and maintenance at customer sites, or incorporated into fully-operational machines. Traditional radiometers are calibrated to a single wavelength (e.g. 365 nm). The Ophir PD300RM-UVA sensor employs a high quality UV-enhanced silicon photodiode design that is calibrated over a broad spectral range (350-450 nm) and delivers superb linearity and sensitivity.

The sensor features a small 2.75mm aperture for more precise mapping of irradiance at different positions and a cosine corrected diffuser for eliminating angle sensitivity. Its irradiance measurement range is 1.5μW/cm² – 15W/cm². Like all Ophir sensors, the PD300RM-UVA features a “Smart Connector” interface that operates with the company’s StarBright and StarLite smart displays, and Juno+ compact USB PC interface. Choose between a variety of data display formats, including Digital with Bargraph, Line Plot, Pulse Chart, and Real Time Statistics. Displays also feature sophisticated logging of power and energy, statistics, histograms, and more, as well as advanced math functions.

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