Radiometer DSC-2

The innovative DCS-2 automatic dose counter and controller represents the state-of-the-art methodology required in today’s busy testing laboratories. It measures the spectral response according to the erythema action spectrum and the UVA spectrum to enable precise dose control when measuring SPF values in vivo, UVA in vivo or during in vitro pre-irradiation on PMMA plates in association with the detectors:

  • PMA2110 UVA (320-400 nm)
  • PMA2101 UVB-ery (290-400 nm)

The unit is extremely easy to use, considerably reducing the number of keystrokes required to set up and run typical test procedures. The 7″ (17.8 cm) touch screen features intuitive menus and makes it easy to set control parameters.

The pre-programmed data of PMA series intelligent sensors eliminates the need to enter offsets, calibration data and units, saving even more valuable time (see operating tips below).


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inputs for detectors (UVA, UVBery, UVR, etc.)



compliance with solar standards

Product information

Directions for use

The DSC-2 radiometer is compatible with many different detectors. In the case of solar tests, here are the main detectors:

  • PMA2110 Digital UVA

This sensor is commonly used for UVA studies (320 – 400 nm) such asISO 24443, ISO/DIS 23698, ISO 24442 and the Boots Star Rating system, as well as sunlight. When used with a radiometer, measured irradiance is displayed in user-selectable mW/cm2 or W/m2. The integrated dose is indicated in Joules/cm2 or kJoules/m2.

PMA2110 UVA Logresponse

The sensor has a resolution of 0.001 mW/cm2 and a full scale of 200 mW/cm2, enabling very weak and very strong signals to be measured with the same sensor. The effect of stray light is negligible.

Its Teflon diffuser ensures an angular response close to a cosine function (Lambertian response), making it suitable for measuring scattered radiation or radiation from extended sources (5% for an angle ≤ 40°).


  • PMA2101 Digital UVB-ery

Solar Light’s PMA2101 biologically-weighted UVB (290 – 400 nm) erythema detector provides an accurate measurement of SUV radiation (also known as “sunburning UV”) from sunlight or artificial light sources. Compliant with ISO/DIS 23675, FDA 2011 and ISO 24444 standards, its spectral response closely follows the erythema action spectrum (also known as the CIE 1987 action spectrum), which represents the sensitivity of human skin to sunburn.

PMA2101 logspectral

The sensor has a resolution of 0.001 MED/hr (or 0.01 µW/cm2) and a full scale of 200 MED/hr (or 1.160 µW/cm2), enabling very weak and very strong signals to be measured with the same sensor. The effect of stray light is negligible.

This sensor has an angular response very close to an ideal cosine function (Lambertian response), making it suitable for measurements of diffuse radiation or radiation generated by extended sources. Its design is based on phosphor technology and has proved extremely stable over long periods. The angular response of the PMA2101 sensor is cosine-corrected and suitable for measurements of diffuse radiation or radiation from extended sources (5% for an angle ≤ 60°).


  • PMA2107 Digital UVA+UVB

Solar Light’s model PMA2107 UVA+B (290 – 400 nm) detector provides accurate measurement of unweighted UVA+B ultraviolet radiation from sunlight or artificial light sources.

PMA2107 UVAB Logresponse

The high dynamic range enables measurement of very weak signals down to 0.001 mW/cm2, as well as very high illuminances in excess of 200 mW/cm2. The angular response of the PMA2107 sensor is cosine-corrected and suitable for measurements of diffuse radiation or radiation from extended sources (5% for an angle ≤ 40°).


NB: Annual calibration is necessary to ensure the quality and accuracy of the radiometer and associated detectors.

Technical information


Dimensions – Radiometer


Height: 8.9 cm
Width: 24.1 cm
Length: 21.6 cm

DSC2 dimensions

Dimensions – Detector (standard frame)

Height: 4.58 cm

Diameter: 4.06 cm

Cable length: 1.82 m

PMAdecteor Standard chassis

Total weight – Radiometer


0.93 kg
Display7″ (17.8 cm) touch screen
  • ISO/DIS 23675 – In vitro SPF
  • ISO/DIS 23698 – HDRS
  • ISO 24443:2021 – UVAPF in vitro
  • FDA monograph 2011 – Broad Spectrum
  • Boots Star Rating system 2011 – UVA/UVB ratio
  • Colipa


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Conditions of use
  • 0 to 50°C (without precipitation)




SOLAR LIGHT COMPANY warrants that the equipment has been carefully tested, inspected and has left the factory in good working order, free from visible defects. SOLAR LIGHT COMPANY warrants the equipment to be free from defects in material and workmanship, under normal use and operating conditions, for a period of one (1) year from the date of initial commissioning or demonstration; or eighteen (18) months from the date of shipment from the factory; whichever occurs first. The warranty is limited to free replacement of all defective parts and free labor during the first warranty year. Defective parts replaced under this warranty will become the property of SOLAR LIGHT COMPANY. The above warranty is subject to the following conditions: The equipment is installed in the United States of America, Canada, or sold by authorized SOLAR LIGHT COMPANY representatives or their agents outside the continental United States. The equipment being installed is operated and maintained in accordance with SOLAR LIGHT COMPANY’s operating instructions, maintenance instructions and specifications. Use only authorized SOLAR LIGHT COMPANY parts and components. The use of a duly authorized representative for all work carried out on SOLAR LIGHT COMPANY equipment during the warranty period. Any variation of the above warranty must be in writing and mutually acceptable to SOLAR LIGHT COMPANY and the customer. The warranty does not apply to damage resulting from installation errors, or to any equipment that has been damaged, modified or misused by the purchaser. Equipment parts that would generally be considered consumable service items under normal use, such as fuses, lamps, detector shields, etc., are not covered by the warranty. THERE ARE NO WARRANTIES EXTENDING BEYOND THIS DESCRIPTION, AND EXPRESSLY NO IMPLIED WARRANTIES OR MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SOLAR LIGHT COMPANY BE LIABLE FOR ANY SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES OR LOSS OF ANTICIPATED PROFITS SUFFERED BY THE PURCHASER. Extended warranty plans are also available.

Manufactured in an ISO 9001:2015 certified environment

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