Printed Products

With its printed products, thin profile radiachromic films, Spectra Group has elevated its SPECTRACOLOR product line to be useful for dosimetry purposes. 



The use of color change to detect light has many uses from calibrating, maintaining and evaluating irradiation sources, to telling parents when their kids have been exposed to too much sun, to identifying the actual radiation dose in an amateur or professional garden. Spectra Group offers a wide variety of its thin film dosimeters for various industrial and consumer applications.

Spectra Group offers thin film color change dosimeters for various types of irradiation and applications.

UV FastCheck Strips and UV Intensity Labels

General UV dosimeters
  • UV exposure dose monitoring (narrow web, difficult to access, partially covered and 3-D applications)
  • Good linearity color change vs accumulated exposure dose, large dynamic rangeof exposure doses – five sensitivity zones for UV FastCheck Strips and single sensitivity zone for UV Intensity Labels, broad spectral responsivity(suitable for undoped and various doped mercury sources)
  • Comparison of multiple sources, quality control
Download UV FastCheck Model Color Chart 
Download UV Intensity Model Color Chart 

Use of UV Intensity Label on a complex geometry part

HIGH DOSE UV Radiochromic Films

To distinguish large UV doses in the range of 3,000 – 10,000 mJ/cm2

Download HIGH DOSE UV Chart

UVC Labels

(254 nm Germicidal)

Verification of sterilization
• UV exposure dose monitoring, specifically targeted for short wavelength, 254nm, germicidal bulbs
Download 254 nm UVC Germicidal Sticker Chart

EB FastCheck Strips

Electron beam (EB) dosimeter 
• Electron beam (EB)/g-ray exposure dose monitoring for varying accelerated voltage
• Depth of penetration profiling
• Comparison of multiple sources, quality control
• Radiation sterilization indicator
Download EB FastCheck V2 Brochure

SunGuard Strips

The easy and convenient guide to know when you've been exposed to too much Sunlight to help prevent sunburn

 Download SUNGUARD Strips - Personal Guide against UV overexposure


A series of tunable sun monitoring products, from minutes to several hours to days 

• Measure accumulated sun dose exposure over a period of a day in distinct increments
• Longer sun exposure products (measurement over a period of a month) are possible



Measure accumulated room light dose exposure over a period of days in distinct increments

Download RoomLight Chart
Download a complete SPECTRACOLO Catalog (PDF format)for more information on our products.


For additional information or to order, please call us at (419) 837-9783 or
e-mail us at