Model PMA2108 Digital Biologically Weighted Erythema UV Sensor
Solar Light’s Model PMA2108 Digital Biologically Weighted Erythema UV Sensor provides an accurate measurement of biologically weighted UV radiation from Solar Light’s Solar Simulators. The mounting hardware allows direct coupling with the homogenizer outputs on Model 601 Multiport® simulator outputs.
Solar Light’s Model PMA2108 Digital Biologically Weighted Erythema UV Sensor provides an accurate measurement of biologically weighted UV radiation from Solar Light’s Solar Simulators. The mounting hardware allows direct coupling with the homogenizer outputs on Model 601 Multiport® simulator outputs. The sensor’s spectral response closely follows the Erythema Action Spectrum. A built-in Teflon diffuser assures that the sensor has negligible azimuthal error, making the measurement insensitive to the rotation of the sensor. Extended measurement range of 600 MED/Hr enables measurement of intense radiation. This sensor enables our PMA-Series Radiometers and DCS-2 Dose Controller to operate as smart dose controllers/ monitors, substantially enhancing the functionality of the Solar Simulators. The MED Calculation Formula (1 [MED/Hr] = 5.833 [µW/cm2 ]) is programmed into the PMA2108 Sensor, allowing for easy conversion of units. Consequently, the integrated effective dose can be expressed in [mJoules/cm2 ] or MED. The measurement result can be shown in [MED/Hr], [µW/cm2 ] as well as a time to accumulate 1 [MED]. High dynamic range of the sensor allows measurements down to 1 [µW/cm2 ] with the ability to measure radiation as strong as 3.5 [mW/cm2 ].
Applications
• Skin and SPF Testing
• Clinical Studies
• Phototherapy
• In Vivo Testing
• Photobiology
• Chemistry Laboratories
Features and Benefits
• Excellent Long-Term Stability
• NIST Traceable Calibration
• Radiometric and Biological Units
• Dose Controller Functionality
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Reviewed in the United States on February 4, 2026
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So glad I bought this! I need to move almost all of my reptiles lights to the inside of their cages for them to be in the correct zones, I had no idea they were not getting enough uvb before.

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