UV-NIR Spectrometer

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Reference number: ADM-Hera

The Hera spectrometer from Admesy provides an accurate UV-VIS spectrometer with auto range function and excellent linearity in a rugged housing of only 95x85x61mm.


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Optical Test & Measurement Team


Compact high end spectrometer from Admesy

The Hera spectrometer series is a highly accurate spectrometer with auto range function and excellent linearity in a robust and compact housing. Due to this combination the Hera can be used in a broad range of applications varying from R&D research to non-stop use in production environments. The Hera is available with a fixed (lens or cosine corrector) or fiber optics setup covering all you need to start your measurements. The Hera: stuffed with measurement power!

Highlights of the compact high end spectrometer

  • Numerous spectral ranges: 380 - 780 nm, 360 - 830 nm, 190 - 435 nm, 200 - 1100 nm
  • Fiber, lens or cosine corrector configuration
  • Measures xy, CRI, CCT, luminance, spectrum
  • Autorange function
  • Excellent linearity
  • Dark current compensated
  • Numerous interfaces (USB, RS232, Ethernet), ideal for system integration
  • USBTMC compliant, SCPI command set, High speed device
  • All calculations done inside



Hera 01 – VIS

Spectral range

380 - 780 nm

Optical resolution (FWHM)

2.3 nm

Order sorting filter

2nd order sorting filter

Wavelength accuracy

+/- 0.5 nm

Stray light

<0.03 %

Luminance accuracy*2


Chromaticity accuracy*2

+/- 0.002

Non - Linearity

< 1%

Integration time

2.5 ms – 20 s

Spectral resolution

Selectable 0.5 nm - 1 nm - 2.5 nm - 5 nm - 10 nm


High speed USB, RS232, Ethernet, Trigger connections

Measurement parameters

Spectral output, radiometric data or colour data (Lumen, x,y, DWL, PWL, CRI, CCT, etc.)

Data processing time

14 ms

Size (L x W x H)

95 x 81 x 61mm (without optical system)


650 gram

Operating temperature

10 - 35 °C

Power consumption

1250 mW

Luminance range

0.05 – 6000 cd/m²

Wavelength accuracy

+/- 0.5 nm

Luminance accuracy (measured at standard illuminant A)


Colour accuracy (measured at standard illuminant A)