Solar Light’s versatile SPF-290AS UV Transmittance / Sunscreen Protection Factor Analyzer is an integrated turnkey UV spectrophotometer, designed and optimized for the determination of SPF values on a variety of sunscreen and cosmetic products, as well as materials testing. This self-contained, attractive desktop unit reduces the need and associated cost for in-vivo testing. Covering both the UVB and UVA spectral regions, the system automatically scans from 290 to 400 nm, accumulating and storing data at intervals of 1, 2, or 5nm. The monochromatic protection factor (MPF) is determined for each of the selected wavelengths, and is used to calculate the SPF value, using solar irradiance and erythemal constants that are programmed into the software (but which can be easily modified.)
290 – 400 nm (range specified by international methods)
0.2% (0.58 nm – 0.80 nm)
0.25 nm
1.66 nm
0 – 3.2 A (Dual Doped PMMA Method)
1 – 100+
As little as 24 seconds
1 nm, 2 nm, or 5 nm. User selectable.
Power stabilized Xenon CW125 W (operated at 75 W)
High Sensitivity Multialkali side-on PMT
Automated X-Y Stage
110V AC, 60 Hz or 220V AC, 50 Hz
Solar Light’s state of the art 1000W single output LS1000-4S-UV Solar Simulator produces solar UV radiation in the 290-400nm range, and can be quickly and easily configured by the user to provide UVA only, UVB only, UVA+B, or full spectrum sunlight optionally. With 98% uniformity available in the 4″ (10 cm) square beam’s central usable area, these precision research-grade instruments are specifically designed to comply with the latest laboratory standards such as ASTM, IEC, and ISO. These units can reliably produce UV levels several times stronger than tropical sun without any of the associated heat load, which is ideal for measuring the damaging effects of UV during materials testing.
Our state of the art single output LS1000- Series Solar Simulators produce solar UV radiation in the 290-400nm range, and can be quickly and easily configured by the user to provide UVA only, UVB only, UVA+B, or full spectrum sunlight optionally.
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4” (10 cm) Square
Vertical Downward, Vertical Upward, or Horizontal (for all models - please specify at order)
Xenon Short Arc (For All Models)
1000W (For All Models)
±5% (For All Models)
±1.5-3 Degree Half Angle (For All Models)
< ±2% rms
5.0” ±2.0” (12.7 cm +/- 5.2 cm)
Near Zero
<0.2% of maximum output current
<0.5% of maximum output current
<0.5% of maximum output current
Factory Set Limit is 1,500 watts max
32°F to 104°F / 0°C to +40°C
-4°F to 185°F / -20°C to +85°C
0 to 95% non-condensing
Forced air
EN61010-1 Laboratory, EN60335 Appliances, IEC60601-1 Medical
EN55011 Emissions, IEC60601-1-2:2001, 2nd Rev 2 Medical, IEC61000-3-2 Harmonic, IEC61000-3-3 Flicker, IEC61000-4-2 ESD, IEC61000-4-3 Radiated, IEC61000-4-4 EFT, IEC61000-4-5 Surge, IEC61000-4-6 Conducted, IEC61000-4-11 Voltage Dip, IEC61000-4-8 Magnetic Field
45 lbs. (20.5 kg.)