Hera cossine top

Hera Series
Hera Spectroradiometer

VIS 380 - 780 nm

Accurate, small and reliable

Hera Display Specification
Hera cossine top

Hera Series
Hera Spectroradiometer

VIS 380 - 780 nm

Accurate, small and reliable

Hera is the ideal solution when a compact and affordable spectroradiometer is needed. Small but solid, it measures illuminance, irradiance or luminance. It’s ease of use and high performance are ready to relied on. Hera is available in three spectral ranges.

“The compact and affordable spectral powerhouse.”

High performance

At Admesy we innovate continually, developing new, faster and more accurate technologies. Why? To pursue our mission to provide our customers with the most innovative test & measurement equipment solutions.

Easy to integrate

Our measurement solutions are easy to integrate in your production or R&D workflow. Together we determine the optimal solution for your application — choosing from a range of different lens options. Hardware and software will be integrated in a snap.

Value for money

What makes our spectroradiometer special? This small package stuffed with measurement power is accurate, compact, robust and affordable. We do not call it a smart choice for nothing. Our promise to you is value for money. Clear and candid.


  • Robust housing, optimized for mounting and protection in harsh production environments
  • Wide luminance range
  • Excellent linearity over wide dynamic range
  • Dark current compensated, virtually zero over entire integration range
  • Holographic grating for low stray light
  • High speed
  • Numerous software interfaces, ideal for system integration
  • Auto-range function
  • Three spectral ranges including VIS and UV-NIR
Hera cosine 02 DEF

Hera Series
Hera Spectroradiometer

VIS 380 - 780 nm

Optical configurations

YX3 H5777 2 3
  • 5 mm, 10 mm and 20 mm collimating lens
  • IDMS or VMS lens
  • Cosine Corrector
  • Fiber optic versions with above lens options
  • Fiber optic (SMA or M8)

About Admesy

World class

Checking the latest stats or texting your mom? Our technology is used during the production of the screens and displays of most well known market leaders. Our current product portfolio includes light meters, spectroradiometers, colorimeters and 2D imaging colorimeters.

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Made in Europe

Our headquarter is located in the south of the Netherlands, next to the European high tech area of Eindhoven. It is equipped with research & development and production facilities with high-end clean room, ready to meet your needs. Still, with offices in Europe and Asia and a worldwide network of distributors, we are always close.

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Clever minds

We continuously follow the latest standards and recommendations to enable the industry to respond immediately. On both large and small scale, we have proven our strength and ability to serve any customer offering configurational flexibility tailored to their specific measurement needs in production lines and R&D labs.

Learn more about Admesy
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