Light measurement equipment BAseSpion

BaseSpion UV-VIS® is a specialized light measurement solution for testing UV light sources as well as ordinary luminaires in the same system.

It covers light source sizes from small lamps and LED chips to meadium-sized luminaires. The 2-axis BaseSpion UV goniometer allows the system to measure the entire 3D distribution field for any light source. Using a spectrometer sensor and a built-in power analyzer, the unique Viso technology enables fast measurements. The system gives you all photometric and radiometric data in one measurement. THere is no need for an integration sphere. C omprehensive  LDT and  IES  simulation files are standard outputs.

By using a goniospectrometer for UV measurements the problem of integrating sphere interior deterioration is avoided.

The BaseSpion UV-VIS light measurement system is the ideal way of measuring a wide variety of light sources ranging from all UV lamps and luminaires to standard fixtures and LED panels. The light source is easily attached to the goniometer and rotation is both quick and silent. The BaseSpion UV-VIS handles light sources up to 9 kg and 56 cm in diameter.

The BaseSpion UV-VIS system is quickly installed and comissioned. The measuring process is fully automatic with the option of manual operation. Data acquisition from a single C-plane takes 15-30 seconds, which means that takes roughly 15 minutes to collect data from all planes.

Measurement data is then automatically saved in a specific folder in the form of fixture files. They are usually exported into PDF, PNG, IES, LDT and CSV formats. You can create your own custom pdf report templates. Read more about the Light Inspector software here.


Measures UV light as well as visual light

Measures light sources up to 9 kg/ Ø56 cm

Fits into relatively small laboratories

All color and lumen data – no integrating sphere needed

An advanced system which is very easy to operate

Output as customizable reports or raw data

Make your own calibrations with CALI-DT300 (included)

Can also include a UV-VIS-NIR (200-1100 nm) sensor

Main applications


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Viso UV goniometer specialties

UV Spectral power distribution SPD

UV Spectral Distribution
Get the spectral power distribution in the full range from 200 nm (far UV) to 850 nm (near IR)

Dose plot

Get Dose Diagrams
Enter the a specific deactivation dose e.g. for COVID-19 and get overview of the dose time needed.

Response curve

Work with response curves
Bacteria and virusses respond differently to various wavelength. Enter custom response curves matching your specific germs

measurement setups2

Full radiometric output
Work with your favorite dynamical dashboard and output setup 

Reference lamp CALI-DT300 included

Dialux Evo simulation

CALI-DT300 Front side
Special calibration lamp CALI-DT300 is included
Deuterium and tungsten light sources

Calibration lamp DT300

CALI-DT300 Rear side
Make your own calibrations – save money and down-time

BaseSpion UV-VIS goniometer specifications

Measurement method
Far field, type C horizontal

Standard spectrometer range
Standard 200 – 850 nm
(UV-VIS-NIR 200 – 1100 nm possible)

Sensor distance range
35 cm to 450 cm

Sensor distance setup
Standard automatic

Light source diameter range
0 – 56 cm at 2-axis

Light source maximum weight
9 kg

Power supply input
90 to 260 VAC, 50/60 Hz

W/sr, Lumen, Peak cd, CCT, Spectrum, CRI, TM30, CQS, 3D Light Distribution, Power Specs, lm/W, UV Doses etc.

Popular additions

Add great tools to your system, capture more data and ease your work

The LabFlicker instrument records all contemporary flicker metrics including SVM and PstLM and connects to all Viso systems

Add a LabTemp 3-port temperature probe system for monitoring ambient lab temperature and 3 temperature spots